AGI my experience is exactly like yours. Although at night i use a bright led book lamp reading kindle on my samsung z fold 3 while patched.

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    I want to add here that despite almost 3 years of visual therapy by now, this method also works for me. I have far less issues now using both eyes with new displays than before, but I still get vertigo and dizziness and pain around eyes especially when trying to work with text for longer periods on new devices.When I patch one eye or alternate them, the issue is almost gone (using only one eye is exhausting in its own different way, but the muscle pain and headaches do not emerge).

    I found this article - https://www.newjerseyeyesite.com/2015/03/10/lazy-eye-is-patching-effective/

    There is a chance that patching one of your eyes rests the whole binocular system and allows you to work with both eyes on new tech for longer periods later also. Most people with BVD have already strained vision even during daily tasks, they just dont realize it, since it has always been like that.

    bkdo

    It sounds like a good plan.

    For me it’s more to find the right mode so our brains starts reprogram/relearn how to watch a screen, or what happened for me.

    I haven’t been so focused on which eye that are the dominant eye or not, and I look with both eyes open, then I patch with something only for the screen.

    Mrak0020

    Thanks! I did not know that.

    SunnyD Did you try to use the eye-patch during the day with natural light? Next, I want to try that and see if I still see the shadow. I also want to try the eye-patch on the left eye.

      AGI yes i patch in the daytime too and don't get the shadowing effect afterwards.

      • AGI replied to this.

        This is a bit interesting:

        “ it is not uncommon for a person we diagnose with BVD to have been told repeatedly by other optometrists that their vision is entirely ‘normal.’”
        https://www.neurovisionaustin.com/2020/02/24/how-is-binocular-vision-dysfunction-diagnosed/

        “ In some instances, an eye patch may need to be worn over the dominant eye. This helps strengthen the weaker eye over time. Depending on the severity of the condition, this may be the only course of action needed at this time. Patients may only need to wear the eye patch for a short period of time in order to achieve satisfactory results.”
        https://www.dizzinessandheadache.com/blog/binocular-vision-dysfunction.html

        SunnyD I did cover the other eye - the left one - last night. I was quite surprised by how smooth the reading was. I always thought that was my weak eye but I could not tell the difference. Actually, it was probably easier to read with the right eye patched than the vice versa. I also confirmed that with my left eye I could read from closer. I wonder if that is due to the minimal astigmatism of my left eye. I once read that minimal astigmatism is often better not corrected because it somehow facilitates accommodation while reading.

        I read for about 45 minutes and when I turned off the light the shadow effect was there, so it is eye-independent. I still need to try using the eye-patch during day time.

        Just wanted to add that I am trying a second type of eye patch that I can mount on my glasses with neutral lenses and blue filter. Covering the right eye makes the reading less clear at the distance my laptop screen is (~45-50 cm). The focus is much neater if I put the patch on the left eye. I assume this noticeable difference to reading from my Kindle while in bed is due to the increased distance from the reading source (I estimate I keep my Kindle at 30-35 cm). Fortunately, in the office there are fluorescent overhead lights of the old type rather than LEDs as at home. However, I still get the "shadow effect" when I remove the patch after more than 30 minutes of practice, even if the I am not looking up against the lights as when I am in bed. The effect is less pronounced and fades more quickly, though.

        I just want to add that using only one eye helps me with most backlit screens, be it OLED or LCD. But, it has no effect on how I see projectors or frontlit displays (E-ink).

        Has anyone considered that LED backlit displays themselves may be causing the impaired binocular vision?

        Perhaps it's through excess binocular fatigue just during use, or actual binocular degradation over time.

          cizeta for me it is solely some new displays and they break my otherwise good vergence immediately.
          So yes, that is my default theory

          xelaos yeah, I didn't know how to make that part clear.
          I do not still have a problem with e-ink and projector screens. However, covering one eye and viewing them doesn't change what they look like, vs. how I can immediately tell the difference on most LCDs and OLEDs when I use one eye (regardless of fatigue).
          I guess what I'm trying to say is, the purely visual difference between using one vs. two eyes is not there with indirect-light displays.

          Today is Day 7 of using a patch on my dominant eye. I bought a cheap eyepatch from Amazon, and have used it at least 4-5 hours per day while using problematic screens. Here are my impressions so far:

          Devices used for the week: 2021 MacBook Pro 14", OLED LG TV, iPad 7th Gen. All caused the usual symptoms (gritty eyes, eye strain, headaches, pulsing feeling above eyes, dizziness, etc) with normal use without wearing a patch.

          • While patched, I'm able to use problematic screens for longer periods of time without symptoms.

          • When I do get symptoms, they're definitely less painful and less noticeable. For example, without the patch, I would frequently get a pulsing migraine-ish pain above my eyes while using problematic screens. This occurred less often with the patch and was much less painful when it did occur. Also, it seems to clear up faster.

          • I've noticed very little side effects from using a patch for 4-5 hours a day. I also spoke to my opthalmologist and she said that there shouldn't be any cause for concern regarding overuse of the patch in my case. My uncovered eye has gotten more tired than usual, but that seems to be a side effect of using it much more than usual.

            To summarize: the patch seemingly reduces my symptoms and lets me use problematic screens for longer periods of time. I still get the usual symptoms, though they seem to be less painful and clear up a bit more quickly.

            I'm going to finish out the day, then take a day completely off of screens tomorrow. Then, I'm going to spend a week with the patch on my non-dominant eye and see if there's any difference in symptoms.

            IMO, this is absolutely worth exploring further. I've spent four years now trying as many possible solutions as I could think of, and this is the first thing that's actually made some kind of tangible difference. I'm interested to see what happens when I patch my non-dominant eye, I'm really hoping it lessens the symptoms even further.

          diop My eyes are physically straight. I've heard good things about Fixing My Gaze, probably will pick up a copy soon. In the meantime, what exercises are recommended? I'm new to this. Is there a YouTube video or something similar showing what to do?

          For those who are interested which binocular problem they have and why it is reduced during the time when they cover their eyes this video explains what could happen with your eyes while one eye is covered and how to describe it.

          I guess you could do it yourself with a recording of yourself or asking for someone to observe your eyes.

          https://www.youtube.com/watch?v=iCS5fFodq3g&ab_channel=CarrickInstitute

            xelaos

            Thanks for posting this, this is really interesting. I’ve been checked out by several optometrists and opthalmologists, but I don’t remember them doing any tests like this. I’m really hopeful that this actually is the answer.

            I would also like to report that patching is continuing to help me. I had an early scare when the inner eye muscle on my patched eye had a spasming session lasting at least a couple of minutes. I really thought it was the end of my schooling, but surprisingly I recovered quickly.

            As I’ve continued to wear the patch, I’m not waking up as “pre-strained” as I normally would, a sign I take to mean my eyes are relaxing, at least a bit.

            I am using it for at least several hours a day. Although there seems to be benefits to patching either eye, I mostly patch my left eye as the vision out of my right is much sharper.

            Today is day 7 of patching my non-dominant (right) eye, and I'm happy to report that it's been very encouraging 😃

            Like I previously mentioned, I first patched my dominant eye (left) for a week, and had a slight/moderate reduction in symptom occurrence and intensity. After patching the non-dominant eye for a week, it feels like a moderate/major reduction. I've been using the patch for 6~ hours per day, and my worst symptoms have only been gritty eyes and slight fatigue in the eye I've been using. No headaches, no throbbing temple pain, nothing like that.

            I also performed test in the video from this post xelaos. I noticed that if my right eye is covered, then uncovered, my left eye seems to slightly adjust itself when I uncover the other eye. I'm not entirely sure what that means diagnosis or treatment-wise, but it seems that I do have some kind of binocular vision dysfunction (I think?)

            The only downside is that I was recently checked for glasses, and the pair I ended up with do nothing for flicker. I also tried Neurolens with no success, which is a little surprising, considering those are supposed to help with BVD. I'm hoping that I just didn't get the right pair for my eyes, or maybe the optometrist didn't notice my issue.

            My next step is to speak with my ophthalmologist + neurologist and see if there's anything new we can try with this new information. I'll definitely report back if I learn anything that may help.

              bkdo

              If they gave you the neurolens it means that you have binocular vision problems. Maybe they don't work for everyone, and we are certainly "special" cases 🙂

              For example, I have no problems with the PWM of OLED screens (I have an iphone X for 4 years and it has never given me problems, indeed it is one of the most comfortable devices) but I have some problems with bionocular vision and I would like to try the neurolens but I live in Italy and it is a bit complex to come to the US to get some glasses. My girlfriend is half American so I could visit her family members next summer and try the neurolens, let's see…

              in the meantime I am studying what is called proprioception dysfunction syndrome, I leave you a link:

              https://cdn.ymaws.com/www.covd.org/resource/resmgr/vdr/vdr_5_2/VDR5-2_invitedarticle_Alves-.pdf

              I have been diagnosed with this problem and i should start to use a prism lens in the right eye of 3 prismatic diopter at 190 °.

              I will keep you informed!

              dev