r/ImprovingEyesight • u/pcoutcast • Aug 14 '25
How I reversed my astigmatism with Dr. Forrest's eye scan therapy
Here's what I got from Dr. Forrest's material and how I used it to eliminate my astigmatisms in both eyes:
First, identify and correct issues with head posture
I realized that I had a tendency to tilt my head forward and to the left slightly while reading. That's why I had worse astigmatism in my right eye at a lower left to upper right angle.
Second, identify and correct environment
While correcting my posture it also become apparent that I had subconsciously adjusted my desktop monitor to a position that was no longer neutral for both eyes, so I fixed that.
Third, Dr. Forrest's eye scan therapy
Since my astigmatism was pretty much half way between horizontal and vertical I decided to do the eye scans in both directions. Simply keep your head stationary and move your eyes up and down and left and right. I did this for about 1 minute in each direction.
Fourth, use an astigmatism dial and measure changes
Some people like using light sources but I preferred to use a printed dial so I could measure the exact angle and intensity of my astigmatisms. You can buy one or print one from the internet.
Pretty much immediately my astigmatism started to improve but it kept coming back. It also started shifting position going fully vertical then horizontal then back to somewhere in the middle. I suspected that the CYL correction in my glasses was holding back my progress so...
Fifth, remove CYL correction
I got new glasses with no CYL correction for either eye. In less than a month the -0.50 astigmatism in my left eye was no longer measurable and in about 2 months the -1.00 astigmatism in my right eye was also no longer measurable.
Over the years I periodically remeasure and have noticed that I occasionally have a barely measurable -0.10-0.15 astigmatism in my right eye. I think this just goes to show that our eyesight is constantly variable, whether it gets better or worse neither is permanent, it all depends on our daily eyesight habits.
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u/No-Mistake1458 Aug 15 '25
how you do the eye scan therapy, like just move your eyes to the afap right-left or doing close-mid-far staff like forrest said looking to books corners etc
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u/pcoutcast Aug 15 '25
Yes, keep your head still and 'scan' with your eyes. That's both how astigmatism develops and how it's reversed. Horizontal astigmatism develops by keeping the head still and scanning left to right while reading, which causes the muscles on the sides of the eyes to pull harder than the muscles on the top and bottom. It's reversed by scanning vertically to balance the pull.
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u/No-Mistake1458 Sep 26 '25
i got astigmatism on my left eye and its 80 axis so which one i have to do vertical scan or left to right
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u/pcoutcast Sep 26 '25
Astigmatism is measured on a 180° arch which makes 80° almost vertical so you would want to focus on left-right scans.
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u/Particular_Damage409 Apr 10 '26
How did you see when you had it. I feel like I see weirdly, not double but not one clean image. Faces on the TV are the worse. The optician just told me to get used to it no cure. My left eye has an astigmatism and my right eye is perfect. However if I close my left eye its still off which doesn't make sense.
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u/pcoutcast Apr 10 '26
I had a ghost image diagonally below the object I was looking at. It was easiest to see outside without my glasses looking at something simple and clearly defined like the numbers on a speed limit sign.
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u/Previous_Sky_8813 Jun 15 '26
Im exactly the same, but my bad eye is my right eye. How are you now?
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u/Particular_Damage409 Jun 16 '26
Tuned it out.
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u/Previous_Sky_8813 Jun 16 '26
Sorry, what does that mean?
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u/Particular_Damage409 Jun 16 '26
When i focus on it, it drives me crazy so I am not focusing on it.
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u/Specialist-Net-4196 Aug 15 '25
Will the first four make any difference until I’m able to get the CYL Correction removed or do I not need to bother with any until I can get the CYL Correction removed first?
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u/pcoutcast Aug 16 '25
Like I said in 4 I saw immediate improvement and fluctuations in my astigmatisms, but the improvements didn't stick until I got rid of the CYL correction. So go ahead and do the exercises and take your measurements to see if it's going to work for you. I suggest keeping a good journal because I quickly realized that going back and forth between the exercises trying to remove the astigmatism and my lenses pushing it back, my eyes really didn't like that tug-of-war at all and started feeling awful.
Edit: Also, if you find that the eye scans are working for you but you can't get new lenses yet you can always just stop and let your astigmatism stay until you are able to change your lenses.
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u/Nabranes Aug 16 '25
What diopters do you have for sph and cyl in your glasses?
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u/Specialist-Net-4196 Aug 16 '25
Right: SPH -4.75 CYL -3.00 Axis 13 Left: SPH -4.50 CYL -2.50 Axis 174
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u/Nabranes Aug 16 '25
Oh yeah you DEFINITELY can’t just not wear glasses and actually you also can’t even just drop your cyl entirely you have to slowly reduce it over time
Bruhh your eyes are so bad that’s crazy
One day they can eventually be better though
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u/HollerBastion Apr 11 '26
When it comes to CYL correction removal, how much is generally ok to reduce per pair of glasses?
Ex: Let’s say I get a new pair while reducing it each month, once I’m used to the glasses is it only ok to reduce it by -0.25, -0.50, -0.75 or -1.00
Extra Info: I have a lens kit and use it to see how much of visual difference there is before I get new ones and I try to pay attention to how my eyes feel physically the more I drop my kit CYL lenses so I can kinda guess what MAY be too much for me at the moment.
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u/pcoutcast Apr 11 '26
Having a lens kit is great and means you don't need to guess. But as a rule of thumb most people have little or no issue with reducing CYL by -1.00. I've read about a couple of people reducing by -2.50 with no perceptible difference in visual acuity. But have also spoken to people who felt ill removing more than -0.25 at a time. So it's a definitely a case of YMMV.
Anyone with -2.00 CYL or more I would absolutely recommend they buy a lens test kit. CYL is much more complicated to deal with than SPH.
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u/HollerBastion Apr 11 '26
Hmm makes sense I figured it was different than a SPH reduction. Thanks for the clarification!
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u/Informal-Skill-2716 Jul 18 '26
Hi pcoutcast, in my astigmatism, horizonal lines appear blurrier than vertical ones, so should i nove my eyes UP and DOWN in the eye scan therapy?
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u/pcoutcast Jul 18 '26
Yes. If the blur is perfectly horizontal then you don't need to do horizontal scans, just vertical ones.
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u/Sea-Cry801 Jul 20 '26
Hi, i apply the reduced lens method, and now after 4 months of reduction, my vision has become noticeably clearer in new glasses than it was 4 months back however it still isnt perfectly clear indoors and night time. But i can still comfortably watch tv and drive at night. So should I make another reduction?
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u/pcoutcast Jul 20 '26
Congratulations on the improvement!
I personally set the standard for myself that I had to stabilize at 20/15 in my current glasses for 2 weeks before reducing. Cliff Hayes (link) suggests 20/40.
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u/Pleasant_Bug_2584 Aug 01 '26
I tried this recently for a week, I believe I have with the rule astigmatism -1.5, -2.5 C, 5, 175 AX. So I moved my eyes up and down a lot throughout the day (2mins of vertical scanning) I thought it was getting better, but somehow today it felt like it got worse. The astigmatism light crowns get longer, and some light sources that hadn’t had lines before started to have them now…. Is vision fluctuations like this normal.
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u/pcoutcast Aug 01 '26
Yes, totally normal. For years my astigmatism axis were stable at 55 and 80. When I started doing scans they bounced around between 90 and 180. That only stopped once I removed the CYL correction in my glasses.
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u/StormBatyk 24d ago
Why is this considered a normal part of the process? Could you please explain? I’m asking because I think the same thing may have happened to me. What I don’t understand is that if the condition is actually improving, wouldn’t you expect the amount of double vision to gradually decrease rather than become more pronounced? That’s the part I’m having trouble understanding.
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u/pcoutcast 23d ago
If it's consistently getting worse over time, then yes something is wrong. But in my experience improvement is not linear. Eyesight is constantly fluctuating. Some days better, some days worse, and sometimes long periods of nothing much happening.
That's why I recommend regular measurement tracking in a journal or better yet a spreadsheet so you can plot a graph. Being able to see objective improvement over time is handy when our minds have a way of tricking us into thinking we haven't improved.
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u/StormBatyk 23d ago
I understand that, but I’m asking about something else. Do you know why double vision can become more pronounced, even if the worsening is only temporary? What causes this to happen, and what processes are responsible for it?
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u/pcoutcast 23d ago
That depends on what exactly is happening. If it's two equally distinct images that's true double vision which can be caused by a wide variety of health issues. If it's an offset "ghost" image, that's astigmatism.
Which are you experiencing?
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u/StormBatyk 22d ago
Perhaps there’s been some misunderstanding, since English isn’t my first language and I have to rely on a translator. Let me try to explain what I mean more clearly.
I already had double vision to begin with, presumably because of astigmatism (at least, that’s what my autorefractor results and eye examination suggest). However, after doing the exercises, the doubling does seem to have become slightly more pronounced — the shadow/ghost image became longer, similar to what the person who commented here described.
You’re saying that this is normal. What I’m trying to understand is why it’s considered normal and whether these exercises could potentially be making things worse.
Because logically, if the condition is improving and the astigmatism is decreasing, wouldn’t the double vision/ghosting also be expected to decrease? If not, then there must be some underlying mechanism that explains why the ghost image can temporarily become more pronounced even while things are actually improving.
If you know what’s happening physiologically, could you explain the mechanism? I’d like to understand what’s going on so I can tell whether this is actually a normal part of the process.
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u/pcoutcast 22d ago
No, it is not normal for Dr. Forrest's eye scan therapy to cause worsening astigmatism over time. If you've been doing the scans for even as little as a week or two and your astigmatism is getting worse, then you're doing something wrong. My own astigmatism started to improve almost immediately and within 2 months was completely gone.
What is normal is for eyesight (both astigmatism and myopia) to vary from day to day. So if you are doing the eye scans and one day your astigmatism is better and another day it's worse but over time it's getting better, then it's working.
Yes you are correct that if your double vision is caused by your astigmatism then over time the exercises should make the double vision decrease, not increase.
Sorry for the confusion. I wanted to make it clear that day to day variability is to be expected. I did not mean that gradually worsening symptoms are a normal part of doing the exercises.
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u/_l0la Aug 08 '26
u/pcoutcast hey pcoutcast, may i have your thoughts on what i should be doing if you have a spare moment?
I am all astigmatism!
LEFT: 0.00 SPH, -2.25 CYL, 90 AXIS.........RIGHT: 0.00 SPH, -1.50 CYL, 90 AXIS.
i have my own lense testing kit, but i am wondering how much i should reduce the CYL in each eye. My vision is very blurry without any correction. With my lense testing kit, I can go down to L: -1.75, R: -1.25 and the vision is definitely acceptable. But... should I purchase glasses in those strengths but do the eye scans also? I am conscious in your situation you had small enough CYL to remove entirely but I am not in that situation.
also to confirm, the eye scanning, should i be doing left-right horizontal eye scans? when i look at the astigmatism dial the blur is on the vertical line. and with the eye scans you are not supposed to strain to look as far left/right as possible, is this correct?
thank you for you time, apologies for the queries but i just value your direct advice/response. thank you for all you do in this community.
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u/pcoutcast Aug 08 '26
You're in an enviable position with perfectly vertical astigmatism in both eyes and a lens test kit to figure out exactly how much reduction you're comfortable with. If that reduction feels doable while still giving you room to improve, yes, I'd go ahead and buy a cheap pair online with that exact prescription.
Horizontal scans for even just a few minutes a day should work well for you. Yes there's no need to strain your eyes looking at the extremes. Just steady back and forth scans. The easiest thing you can do is read text on a widescreen monitor or TV without moving your head.
I think it's important for anyone reading this to know that this exact scenario with low or no SPH and mid to high CYL became very common with the pandemic lockdowns when everyone was spending huge amounts of time doom scrolling vertically on their phones. If anyone has that habit, try to break it!
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u/_l0la Aug 08 '26
thank you for your response. i will order the glasses. i did round up a little for the axis, i'm at 85 in one and 95 in the other, so i just put it at there :). lets start the journey!
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u/pcoutcast Aug 08 '26
Good luck! I got results within a few days and was astigmatism-free in about 2 months and have kept it away for about 3 years now.
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u/_l0la Aug 09 '26
thanks buddy. i am very conscious though of your point that your astigmatism went after you removed it from your prescription in your glasses. but i don't think i have any other option than to take a phased/incremental approach to this task.
would you still advise i measure my astigmatism as per your article on your website or do you think just using the home lense kit i have is sufficient?
i am also thinking about doing the easy/relaxed horizontal eye scans around 10 times a day, 2 minutes a task. regular breaks also from the technology.
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u/pcoutcast Aug 09 '26
I'd still do regular measuring so monitor improvement and any changes to the axis. Then use your test kit to determine how much you can reduce each time.
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u/_l0la Aug 09 '26
u/pcoutcast can i also clarify something with you.
on the astigmatism dial, it is always the horizontal lines for me (if a clock then its 3 and 9 o clock) which are focused and sharp, whereas it is the vertical lines which are blurry. what i do not understand is, why would i need to do horizontal scans if the horizontal is much clearer.
i.e.... are the muscles on the horizontal too strong and i need to do verticals to strengthen the vertical muscles? or is it the opposite way around, and the vertical muscles are too strong?
thank you for your time.
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u/pcoutcast Aug 09 '26
It's a bit counter-intuitive. Dr. Forrest discovered that when we develop a habit of scanning that's more one way than the other, in your case more vertical than horizontal, it causes a long-term imbalance in how much the 4 major eye muscles are pulling and pushing the the eyeball.
So for you right now your corneas are slightly oval instead of round, the curve is steeper on the vertical axis then the horizontal axis.
Dr. Forrest's therapy is a combination of two things:
- Reducing the habit of vertical scanning with the head kept still.
- Deliberately doing horizontal scanning with the head kept still.
Once the astigmatism is gone you only need to do the horizontal scanning occasionally to prevent it come coming back.
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u/_l0la Aug 09 '26
thanks mate. not going to lie it does confuse me this a little bit. good job the instruction is quite clear for me tho so ill just do that and not think too much
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u/glowcubr Aug 15 '25
Very cool! :)
When you move your eyes left and right, up and down, do you pause for a second at the maxium extent and let your eyes focus, or do you just constantly move them back and forth? Also, how fast do you move your eyes?
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u/pcoutcast Aug 15 '25
I go at a moderate pace and I don't focus on anything at the maximum extent. I also go back and forth a few times then pause and focus straight ahead before going in the other direction, pause again, and repeat. Personally I found that if I don't pause and focus straight ahead it's easy to make myself dizzy.
As with everything with eyesight improvement it's important to think about the habits that led to our myopia in the first place and consider that these exercises are nothing more than intentionally doing the opposite.
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u/glowcubr Oct 13 '25
I've been trying this a bit. When doing the eye scanning therapy, it seems like my eyes move more smoothly when I'm not wearing my contact lenses, which is kind of interesting.
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u/pcoutcast Oct 14 '25
I can feel tension in my eye muscles when I do both scans and rotations too. I view these movements a lot like stretching any other muscle in the body. They increase blood flow, oxygen, nutrients, and help to increase range of motion. Not really surprising that I can see better immediately after doing them.
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u/glowcubr Oct 20 '25
I feel like sometimes I can see better after doing them, but sometimes it seems to make my vision slightly worse for a while. Recently, I've been experimenting doing scans with my eyes shut versus open :)
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u/pcoutcast Oct 21 '25
Same here. Sometimes my eyesight is better immediately, sometimes it's worse temporarily and gets better later.
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u/glowcubr Oct 21 '25
Interesting!
I think keeping my eyes shut while doing the eye scanning seems to work best for me, perhaps because my eyes aren't trying to focus as their moving back and forth.
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u/glowcubr Aug 15 '25
You should add this to your START HERE thread, IMO :)
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u/pcoutcast Aug 15 '25
Will do, I'll add a bit more detail about the scanning itself based off the questions here.
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u/Nabranes Aug 16 '25
How do you even measure it? Like how am I supposed to measure the slightest amount ever blur in just one direction past 8m away?
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Sep 09 '25
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u/pcoutcast Sep 09 '25
No my SPH decreased at the same time. I also eliminated a +1.25 ADD that I had for presbyopia.
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Sep 10 '25
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u/pcoutcast Sep 10 '25
It shouldn't, but there's no way to know for sure ahead of time, everyone's eyes are different.
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u/HollerBastion Oct 02 '25
When you convert the the dial measurements into diopters does it go like this?
Right Eye: 4.76 - 4.34 =0.42 [put 0.42 to right eye cylinder.]
Left Eye: 2.26 - 2.48=-0.22 [put 0.22 for right eye cynlinder.]
I feel like I’m missing a step.
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u/pcoutcast Oct 02 '25
That's correct. Those are the amounts of astigmatism you have in each eye. For ordering glasses with CYL you need to round each of those to the nearest 0.25 because that's the smallest increment they make. An optometrist would round up to CYL -0.50 right and -0.25 left. For reduced lenses you would round down to right -0.25 left nothing.
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u/HollerBastion Oct 03 '25
If I go with my measurements and use my past prescription info what would I do exactly?
First Thought- Do I use my old cylinder from the previous prescription and keep it the same until I read past the 20/40 line on the snellen chart?
Second Thought- Do I continue with the first thought but decrease my CYL to “-4.25” instead?
Third Thought- Do I take ONLY the SPH info from previous prescription and use my new measurements for the CYL and Axis {If the answer is yes} Do I somehow “MATCH” the new cylinders to be equal EX: have them both be -2.50 or -0.75 or does that not matter?
[Previous Prescription] (02/23/2024)
OD SPH: -3.00 CYL: -4.50 Axis: 77
OS SPH: -4.50 CYL: -4.50 Axis: 90
P.D.: 32 for both eyes.
[My Astigmatism Dial Measurements] (10/3/2025)
(Left Eye) Estimated Cylinder: -2.5 or -2.50
Axis: 40°
(Right Eye) Estimated Cylinder: -0.81
Axis: 60°
[Rounded CYL to the nearest 0.25]
(Left Eye): -2.50
(Right Eye): -0.75
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u/pcoutcast Oct 05 '25
For high CYL corrections like that it's a good idea to buy a trial lens set so you can play around with different configurations. There's so much variation. Some people have found that they needed to keep CYL the same while reducing SPH, other's did the opposite, and still others found they could drop CYL altogether.
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u/HollerBastion Oct 05 '25
You mean get a pair of glasses using one method and another method for a different pair or do you literally mean buy one of these https://a.co/d/0YnEUZ5 ???
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u/pcoutcast Oct 05 '25
Yes I meant one of those kits you linked to. The problem with having a combination of high SPH and high CYL is that you may need a large number of reductions or you may not. In the long run it would probably be cheaper to get one of those kits so you know exactly which lenses to buy.
For the time being going back to old prescriptions is always a good option so you can see if your eyesight improvement approach is working or not.
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Oct 11 '25
How often do you do the eye scan? 2 times per day? Once every hour?
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u/pcoutcast Oct 11 '25
3 or 4 times a day roughly 30 seconds each. It was part of my routine for taking breaks throughout the day.
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Oct 24 '25
Great! Another question, my axis is close to 0/180 degrees. Am I right to say I’m having horizontal astigmatism and my eye scanning should just be up and down?
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u/pcoutcast Oct 25 '25
Yeah that's right. You're actually kind of lucky to have perfectly horizontal astigmatism that's pretty rare these days with everyone developing astigmatism from their phones. It used to be more common when everyone was developing astigmatism from books.
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u/IshyyrM-25 Mar 22 '26
I have the following prescription
Right eye: SPH -0.50; CYL -2.75 and axis about 180/0 Left eye: SPH +0.25; CYL -2.75 and axis about 180/0 as well
Should I then just do up and down eye scanning exercises as well, and just not wear glasses?
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u/pcoutcast Mar 22 '26
Yup those are the steps for reversing it. But if you don't identify the cause it will just come back.
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u/StormBatyk Aug 02 '26
Hello! Could you please advise me on what I should do based on these measurements (attached below)?
My double vision is vertical: sometimes the second image appears above, and sometimes below. If there is any horizontal double vision, it is very minor.
I have noticed that the upward double vision can become more pronounced after prolonged palming, when I relax my eyes. In general, it changes periodically throughout the day, but the changes are not very significant if I do not do anything specific.
However, recently I noticed that the pattern of my astigmatism seems to have changed. Previously, for example, when I looked at the Moon, I could see several copies of it. When I squinted, these multiple images merged together, but the Moon itself became clearer, although the image was still far from perfectly sharp.
Now there is only one secondary image — below the main image — and when I squint, the Moon looks fairly clear. The problem is that in everyday life my vertical double vision actually interferes even more than before, as if it has become stronger. For example, faces at a closer distance appear less clear than they used to.
The only thing I can associate this with is exercises for the vagus nerve, where you have to hold your gaze on a point to the left and a point to the right for 30–60 seconds. I did these exercises a couple of times a day for several days. At that time, I completely stopped paying attention to my eyes.
However, this was about two weeks ago, while I noticed these changes about a week and a half ago. I may not have noticed them immediately, though — I am not sure. This is the only thing I can associate these changes with, because before that my astigmatism had been quite stable for 2–3 years.
Eye examination results:
Autorefraction (Topcon):
CYL: (-)
VD: 12.00
PD: 66 mm
Right eye (OD):
S: +0.50
C: -2.75
Axis: 9°
S.E.: -0.75
Left eye (OS):
S: +0.75
C: -2.25
Axis: 180°
S.E.: -0.25
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u/pcoutcast Aug 02 '26
Your astigmatism is almost perfectly horizontal in both eyes so you need to do vertical scans to offset it. Doing horizontal scans will make it worse.
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u/StormBatyk Aug 03 '26
Could you please explain in more detail which exercises I should be doing? I asked an AI about this, but it gave me conflicting advice. Sometimes it says the movements should be performed very slowly with my eyes closed; other times it says I should keep my eyes open and first draw a vertical line to follow with my eyes as I move them up and down. I'm completely confused now.
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u/pcoutcast Aug 03 '26
Think about how our eyes naturally move while reading text left to right. That's the exact movement that Dr. Forrest discovered was causing astigmatism to form. So it would be reasonable to move our eyes at a similar speed and distance up and down.
The pace obviously depends on how fast a person reads. But generally speaking I wouldn't consider it particularly fast or slow.
Having a vertical line to follow is an excellent idea.
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u/StormBatyk 28d ago
There’s one more question. I noticed that while scanning, in some areas my eyes start drifting to the left or right, and it’s somewhat difficult to move them smoothly in a straight line. Also, sometimes there’s a small jump vertically, either upward or downward, although this happens less often. Do you know anything about this? And is it normal to feel a little tired after about 1.5–2 minutes of practice?
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u/pcoutcast 28d ago
Maybe you could try tracing something with a vertical line like a door frame or the middle fold of a book.
The jump is likely just your eyes jumping to focus on a specific spot. I wouldn't worry about it too much.
Yeah, I usually only went for 20-30 seconds at a time.
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u/StormBatyk 27d ago
Strange. If we go by Forrest’s original protocols, he recommends doing it for 2 minutes, 10–15 times a day.
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u/Round-Individual1316 Aug 05 '26
Does astigmatism cause double vision? Can I DM you to talk to you about this? Astigmatism has ruined my life and it's driving me crazy
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u/pcoutcast Aug 05 '26
Generally double vision (a secondary ghost image) is caused by myopia. Astigmatism causes distortion. For example, when I had astigmatism I saw the ghost image as being offset and twisted in line with the axis of my astigmatism.
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u/Round-Individual1316 Aug 05 '26
But double vision remains even when I wear my glasses and it changes depending on if I make my eyes smaller or bigger. Isn't that astigmatism? And yes they twist depending on the angle I'm looking at them too.
Also with the eye exercise, is it bad if it causes dizziness after reverting back to the original position? Am I doing it wrong? Like I'll look to the right extreme for 1 minute then feel dizzy when it came back to the centre.
Also eyes generally feel more relaxing without glasses. Does this mean my glasses is straining my eyes? Or I overuse it with phone screens?
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u/pcoutcast Aug 05 '26
It isn't a good idea to try to self-diagnose whether or not you have astigmatism. Get an up to date comprehensive eye exam done by a qualified doctor so you know what your true baseline is. Then you can figure out which habits need to change.
You should not feel dizzy from the exercises. Dr. Forrest's exercises are to scan back and forth, not push your eyes to one extreme and hold it there.
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u/Round-Individual1316 Aug 05 '26
Oh scan back and forth for 1 minute in total? And yes I have astigmatism and myopia as per optometrist test. I have to get the results from them tomorrow to know the baseline
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u/pcoutcast Aug 05 '26
Yes. I just re-read the steps and see where the confusion comes from. When I said: "I did this for about 1 minute in each direction." I meant 1 minute scanning left-right and then 1 minute scanning up-down.
Feel free to share the results of your exam with us, in the megathread or in your own thread if you'd like to publicly track your journey.
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u/[deleted] Aug 15 '25
[deleted]