• AbstractOther

  • Treatments, desensitization, pills, exercises - solutions

Gurm That is amazing to hear. The more people here report that they found similar connection to an ease of their symptoms, the more it will make sense and we might find a solution to this.
But yes, one time exercise wont help you. I have been told that in my case of convergence excess, I need to do about 6 months of progressively more difficult exercises that are going to be catered to my specific needs about 30 mins every day. One time exercise might help for a few dozens of minutes, but eventually your eyes will return to the wrong position.

There is a tool to test vergence problems - you have one eye clear, the other is covered with a special lens that completely distorts vision. Then you are presented with a small white board, in the middle of it a tiny LED and scales to left and right. You will see the LED as a dot with the uncovered eye, and the LED as a long stripe with the covered one. The dot should meet the stripe. If it doesnt, you do have vergence issues and the scale helps determine how big and what kind. In my case the convergence excess went off the scale. When I tried to connect the dot with the stripe, I felt immense pain in my eyes and head that was very similar or completely identical to the eyestrain from new displays.
When you exercise, you can use this test to see if your eyes can converge the dot with the stripe over time. I will ask my optometrist if I can buy the lens and do the test at home every week or so to test my progress.

Let me know how the optometrist visit went.

    I will be scheduling it soon.

    Are we the problem? Is it really our eyes or brains that are "messing up"?

    It could be we just have superior visual processing in one way or another.

    Those of us sensitive to PWM - it could be we just process visual information faster than other people. Look at all those who don't notice the flicker of an incandescent bulb. Incandescent doesn't cause me pain but I can always tell it's not a steady light most people don't notice this and you have to go out of your way to show them and even then a lot of the time they'll be like "I don't see it". I assume this would be the same reason some of us think we're sensitive to dithering. Generally "normal" people will get the same symptoms as us if the PWM is too low for them albeit at a much lower frequency.

    Same with if it's the frequency of light maybe we're just more sensitive to it. There are people who can see UV light, people who see a lot more colours, what if we're just seeing something most people aren't and LEDs are producing it in too high of a quantity for us to be comfortable?

    What I'm saying is, we're all looking inside but what if it's not us that's the problem but every body else?

    Of course we should be looking at ourselves and trying to figure out if there's something wrong with us that's a problem. However, it could be just our eyes/brain aren't wired right or high rates of flickering causes something akin to a seizure - In some ways it does make me think of epilepsy.

    I think the easiest fix would be finding out the true outer cause (the problem with LEDs, the problem with drivers, PWM) to our problems so we can come up with a real work around. Most of us (or all) are not all that sure what our issues are actually caused by just that some things hurt and we do not know exactly why.

    It could actually be a defect we have but could it not also just be that we're just better at visual processing in some way?

      Soreeyes It could be we just have superior visual processing in one way or another.

      I heard someone had issues with PWM start after being struck in the head. I don't know how a TBI is "superior" to someone without a TBI.

      Soreeyes However, it could be just our eyes/brain aren't wired right or high rates of flickering causes something akin to a seizure

      This does make me think of photosensitive epilepsy. It's very rare in contrast with the general population, and even people with epilepsy.

            JTL

            I would say that's a different thing altogether, I mean in that case they literally know what caused their problems. That is an unfortunate situation though.

            I don't think most of us have had a TBI. What I'm saying is, those of us who are like this by default which seems to be the majority of us we could possibly just be "better" at processing certain visuals so we see and are bothered by flicker etc where others do not even notice it.

            Of course the opposite could be true as well and we're simply worse at processing something or even just "process differently" I guess.

            What would be nice is for some studies where people (or even a single person) with issues like us on this site are hooked up to an EEG while using something that causes them symptoms. Has any one here had an electroencephalogram?

                Soreeyes I would say that's a different thing altogether, I mean in that case they literally know what caused their problems. That is an unfortunate situation though.

                Which statement are you referring too?

                  7 days later

                  So the "close vision" 3 thumbs, I am a CHAMP at that one. But the "far vision" 3 thumbs? Hurts instantly and I can barely get a centimeter of separation before my eyes lose it.

                  So I'm certain I have a weakness there somewhere.

                  Interesting, no?

                    Gurm Really try to find an optometrist who can measure it. Ive read some studies and its way more complicated and individual than a youtube video could convey. You can also have vertical hidden heterophoria instead of horizontal, theres just too many variables you cannot check without proper examination.

                        martin I want to add, a while ago we discussed here the SCM muscle and stretching it and how in me it produces similar pain in the head. I noticed when I stretch it but dont move my eye muscles to their extreme side positition while doing it, the headache doesnt start. Seems like another pointer to the eye muscles only and it seems that the pieces are finally falling together.

                            Gurm I agree, I wish there was enough research for us to determine why having convergence excess or convergence insufficiency or accommodative insufficiency is only noticeable for many of us on newer screens/devices.

                              Soreeyes that's a good idea. i've looked at consumer EEGs before. maybe i'll finally get one and do some testing.

                                martin in doing the 'look to each corner'/tibetan wheel exercises mentioned above , i discovered one corner was very difficult to look at, but it went away after continued 'stretching'. definitely felt like a muscle that could be (mis?) tied to the scm somehow

                                  Im writing this with my glasses on iphone 6s plus that was previously unusable. Images and video are fine, reading and writing more difficult, I feel muscle strain there but far from what used to be. The birghtness is about 5% so if pwm was present, it would show. Its been about two hrs looking into the phone now. When I lay it down, the discomfort will soon dissipate.

                                  So there is a clear connection, in me. Id like for everyone to get tested by an optometrist, then we can have our own “research”🙂

                                  Martin, sorry if you've already said but are there special/different lenses for this? Or is it just exercises? I want to know the scope of what I'm asking the optometrist for.

                                    Gurm Yes, prismatic lenses - they make your eyes less strained when they try to converge properly (if you have vergence problems). Ask him to check for convergence and accomodation.
                                    I also wrote you an email, have you gotten it?

                                        martin What do you attribute your successful use of the iPhone 6s to. The prismatic lenses or the exercises or both? Have you tried other devices? What devices did you use comfortable before the prismatic lenses/exercises?

                                        When did you first suspect you had a convergence issue and who diagnoses you (an optometrist or opthamologist)? You originally said you had a divergence insufficiency?

                                        Also came across these new type of lenses: http://visionsource-olmospark.com/neurolenses/

                                        • JTL replied to this.

                                            ryans

                                            ryans Also came across these new type of lenses

                                            I think that's similar to or the lens that @martin has.

                                            I did some research and there are no doctors in Canada that know of the neurolenses it seems, but there are some doctors in Washington state who know about them. I don't know if they'd help me because I also have nystagmus, but what's the worst that can happen? It just doesn't work.

                                                14 days later

                                                martin Very interesting to hear your experiences, I can relate to almost all of it. It's almost like a mental handicap that people can't see and struggle to empathise with. Sounds like we're in the same boat with convergence/divergence issues, and I totally agree that modern screens are pushing people like us over an eye strain threshold and into migraine town. How are you managing at the moment having used prisms long term and done divergence exercises?

                                                    dev