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Medical Forum / General / Vision / August 2007Double Vision
It happens every night. At a certain time my eyes get tired and I start to see double. I instinctively close my bad eye if I want to read, but it's not comfortable. Distant vision seems to be less affected. To remind you, I have a new IOL in my bad eye and I am myopic and presbyopic. I am still using my old glasses while waiting for my new glasses to be ready. There is a disparity between my eyes, but I don't have double vision most of the time, only late in the evening. Why is that? > It happens every night. At a certain time my eyes get tired and I > start to see double. I instinctively close my bad eye if I want to [quoted text clipped - 6 lines] > don't have double vision most of the time, only late in the evening. > Why is that? Your eye muscles are most tired at the end of the day. That's when double vision develops/worsens for many people. My best guess as to etiology would be retinally-induced aniseikonia, probably secondary to your macular pucker. Can you detect an image size difference between your eyes? Ms. Brainy, if your double vision disappears permanently when you start wearing your new glasses, your aniseikonia is ocular. But if you experience it with your new glasses, there is a probably a retinal problem involved. (I know a lot about from personal experience.) In this case, post again, and I can give you more advice/information. > > It happens every night. At a certain time my eyes get tired and I > > start to see double. I instinctively close my bad eye if I want to [quoted text clipped - 12 lines] > your macular pucker. Can you detect an image size difference between > your eyes? As usual, thank you Jane. Your willingness to share your experience and knowledge are deeply appreciated. My double vision is crawling in again, due to the late night hour... Whether my night double vision is ocular or retinal induced, it does not explain the fact that it happens only as my eyes get tired late in the day. Or does it? Anyway, I am not sure that it can be defined or determined as aniseikonia (I had to google the word to find out its meaning...) and I am looking forward to getting my new glasses next week, so I can finally find out to what degree my vision is correctible. At this point I can't tell you exactly what I see in my bad bionic eye (scleral buckle, IOL and a retinal pucker), only that it's not very good. In addition to impaired visual acuity, and in spite of having a new clear lens (like yours), I see "fog" in that eye, and still wonder if my new Rx will bring me back the famous bright intense colors. But even now, my two-eyes combined vision is satisfactory and acceptable, until I start seeing double... Retinal detachment is a serious event for the eye and almost always ends up in damage and some loss of vision. I also tend to think that my bad eye is the dominant one, which is why I don't shut it off entirely. Another perspective: When we get tired there are endocrinological, immunological, and neurological shifts occurring that can be detrimental for a lot of functions. We don't move so smoothly, we think more slowly (possibly via increased il-1 and decrased dopamine but it's all a bit of a guess here), and even tnf a, via its impact on RGS4, can basicallly signal neurons to start slowing down. It has been estimated that up to 30% of the human brain is involved in visual processing. Given the other types of dysfunction that occur with fatigue, should we be surprised that it also induces visual abnormalities which are primarily of neurologic rather than ocular origin? > > > It happens every night. At a certain time my eyes get tired and I > > > start to see double. I instinctively close my bad eye if I want to [quoted text clipped - 36 lines] > loss of vision. I also tend to think that my bad eye is the dominant > one, which is why I don't shut it off entirely. > > > It happens every night. At a certain time my eyes get tired and I > > > start to see double. I instinctively close my bad eye if I want to [quoted text clipped - 38 lines] > > - Show quoted text - Ms. Brainy, you've had several problems that could cause diplopia. Eye muscle problems can be a side effect of buckle surgery, resulting in diplopia. Retinal re-attachment as well as a macular pucker can result in changes in the photoreceptor distribution in the macula, producing retinally-induced aniseikonia and diplopia. As I recall from your previous posts, there's about a 2 diopter difference in refraction between your eyes. Perhaps this is contributing to your double vision. In any case, it's very common for eye alignment problems to develop/worsen near the end of the day when your eye muscles are tired. I hope your new glasses will permanently correct your problems. If they don't, there are still a lot of options for correction depending on the cause, including prisms in your glasses, eye muscle surgery, a new prescription incorporating a size lens correction, cataract surgery in your "good" eye, and vision therapy exercises. One (or several) of the above should work for you. >Ms. Brainy, you've had several problems that could cause diplopia. >Eye muscle problems can be a side effect of buckle surgery, resulting >in diplopia. Exactly what I was thinking. As you know, I'm often mistaken for a world-famous ocular motility specialist.... Three major elements of breakdown of fusion (which would account for BINOCULAR diplopia -- the kind that goes away when you close one eye) are illness, fatigue, and intoxication. Certainly, toward the end of the day, many of us are afflicted by at least one of those ;-) Jane seems to have a much, much better handle on the retinal stuff (that may be at play here) than I -- hopefully -- ever will. >Retinal re-attachment as well as a macular pucker can >result in changes in the photoreceptor distribution in the macula, [quoted text clipped - 4 lines] >problems to develop/worsen near the end of the day when your eye >muscles are tired. Ms. B? Have you had your binocular vision checked since the IOL? It's quite a simple matter, but it would be my opinion that you may want to have it evaluated by a strabismus ophthalmologist ... simply because this IS their area of expertise. If it IS a binocular issue, there are, quite likely, some awfully simple, awfully inexpensive fixes -- perhaps as simple wearing a dash of prism -- that might alleviate this.... >I hope your new glasses will permanently correct your problems. If >they don't, there are still a lot of options for correction depending >on the cause, including prisms in your glasses, eye muscle surgery, a >new prescription incorporating a size lens correction, cataract >surgery in your "good" eye, and vision therapy exercises. One (or >several) of the above should work for you. Bingo ... although if the underlying issue is a binocular (as opposed to a MONOCULAR) issue, then it's really what's called a "phoria," rather than a "tropia." In that case, it's far less likely that surgery would be indicated .... I'm guessing. Here's a quick explanation of the difference between the two: http://www.eyetec.net/group6/phoria_tropia.htm THAT SAID, a quick look also revealed a known issue with cataract surgery called "anesthetic toxicity." http://telemedicine.orbis.org/bins/volume_page.asp?cid=1-3-4-36 This issue is a CAUSE of double vision, though I don't see whether it's full-time or whether it could also be an end-of-day only issue. It also LOOKS lke an issue only with INJECTED anesthesia, but ... I just don't know whether a topical could react similarly. In either case, the treatment options seem to be the same. The issue associated with anesthetic toxicity ALSO seems to be a HYPERTROPIA (or VERTICAL diplopia), where one image is HIGHER than the other (as opposed to being separated on a horizontal plane). Lastly, yet another abstract says clearly that "Post-operative [cataract surgery], binocular diplopia may occur secondary to anisometropia or previously unrecognized misalignment." [1] It's further bolstered by this: [quote] "some patients may have previously unrecognized strabismic conditions that became manifest following visual acuity improvement, e.g., patients with thyroid ophthalmopathy, especially those who had restrictive ophthalmopathy but no exophthalmos or inflammatory signs. These patients might have been controlling a slowly developing diplopia that became manifest following cataract surgery. Similarly, patients with long-standing and well-compensated superior oblique palsies may not notice diplopia prior to unilateral cataract extraction because of poor vision in one eye. Following successful surgery, an intermittent or constant diplopia may be noted. For another reason, the direct surgical trauma to the extraocular muscles and tissues by bridle sutures may be causative factor, or myotoxic effects of administered local anesthetic agents induced the diplopia. And causative factor may be anisometropia or aberration. A fourth cause is that a cataract disrupted binocular vision and induced the sensory deviation, which was the pathogenic factor of our study."[/quote] [2] Good luck, Ms. B! [1] http://www.informaworld.com/smpp/content~content=a714020167~db=all [2] http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1390648 This article has some topical links at the bottom, too. It's now 5 pm and I have no hint of double vision. But based on my past experience I know that it will happen again later today. And this is the key point: It happens later in the day/night. My "diplopia" occurs only when I use both eyes. If I close the bad eye it disappears. If I close the good eye I can't tell you what happens because my vision is blurry and not yet properly corrected to its max potential. My subjective feeling is that I experience difficulty to focus during my double vision period, and capable only of staring out of focus. And this is what puzzles me. Neil, the outcome of my IOL implant is only -1D difference between my eyes -- certainly not enough to cause diplopia. Now, since my IOL cannot accommodate at any time, I believe that my IOL vision is always of the "stare" nature, i.e. focusing is not something that I can control -- my IOL eye focuses on its own at a set point. So why does it become an issue when my eyes get tired? Please remember that I have had 3 eye surgeries, of which the last cat surgery was the easiest and lightest. And as to the methods of correcting the problem, it actually corrects itself every day... Anyway, I am waiting impatiently (but hopfully) for my new glasses. Ms. Brainy, I sometimes experience a sort of double vision when my eyes are tired (especially from working at the computer), and when one eye is doing more "work" than the other. It feels like my eyes are "crossing". When I look at a distant point across the room or down the street, it's double, because I can't straighten out my focus. Sometimes I have to cover one eye to watch TV. The problem goes away after I rest my eyes or sleep overnight. Hopefully your new glasses will help you use both eyes more equally and reduce the fatigue. Calli On Aug 4, 6:26 pm, callimic...@yahoo.com wrote: > Ms. Brainy, > [quoted text clipped - 10 lines] > > Calli You are describing exactly what I experience, except that my double vision is more pronounced at a shoter distance. If this continues with my new glasses, perhaps I can use it as a reversed alarm clock that tells me it's bed time... > On Aug 4, 6:26 pm, callimic...@yahoo.com wrote: > [quoted text clipped - 17 lines] > with my new glasses, perhaps I can use it as a reversed alarm clock > that tells me it's bed time... Ms. Brainy, closing one eye and then the other, is there a difference in image size between your right vs. left eye? If so, it's likely that your diplopia has a retinal origin. If not, then it is ocular, probably a side effect of your buckle surgery. If your new glasses don't solve the problem, you should probably set up an appointment with a strabismus specialist. > > On Aug 4, 6:26 pm, callimic...@yahoo.com wrote: > [quoted text clipped - 24 lines] > don't solve the problem, you should probably set up an appointment > with a strabismus specialist. Size difference? I don't really know because my bad eye vision (with the IOL) is blurry and somewhat distorted, but if there is a size difference it's not significant. However, if THIS was the problem, then I would have double vision regardless of the time of the day, don't you think? But I don't! Also remember, my "good" eye can still accommodate, whereas my IOL cannot, whether it's day or night. Thus my right eye focus can shift, but my left eye focus is set and not changeable regardless of how tired I am. > > > On Aug 4, 6:26 pm, callimic...@yahoo.com wrote: > [quoted text clipped - 35 lines] > > - Show quoted text - I suspect that double vision could occur toward the end of the day regardless of the etiology. It's curious, though, that your brain perceives two images rather than just ignoring the blurred one. When did the double vision begin? I suspect that the issue of accomodation is not relevant to your problem. Regardless of the cause, though, I'm sure that you'll find a way to eliminate the problem, hopefully by doing something simple like adding prism to your glasses if your new prescription doesn't help. I got a call from the optician -- my glasses are ready! They asked the lab to re-check the Rx before shipping, and surprise! They switched the left and right. So I have to wait a few more days for them to re-do my order. I am still puzzled as to how mistakes like this happen. > I am still puzzled as to how mistakes like this happen. human beings are running the process. On Aug 7, 9:36 pm, p.clar...@gmail.com wrote: > > I am still puzzled as to how mistakes like this happen. > > human beings are running the process. Sure. I am glad that it's only my glasses, not my eyes. Do these "human beings" smoke something funny in the lab? In each of my 3 eye surgeries I insisted before being sedated that my subject eye will be marked. Didn't want some "human beings" to make incisions in my wrong eye. You never know... On Aug 8, 11:36 am, p.clar...@gmail.com wrote: > > I am still puzzled as to how mistakes like this happen. > > human beings are running the process. lasik news : (http://lasik-headline.blogspot.com ) > I got a call from the optician -- my glasses are ready! They asked > the lab to re-check the Rx before shipping, and surprise! They > switched the left and right. So I have to wait a few more days for > them to re-do my order. I got my new glasses today. No double vision tonight, or so it seems so far. It's after 11 pm now, and in the lst few weeks I was deep into the double by this time of every night, but not tonight! I hope it's gone forever. It was a miserable experience. > > I got a call from the optician -- my glasses are ready! They asked > > the lab to re-check the Rx before shipping, and surprise! They [quoted text clipped - 6 lines] > > I hope it's gone forever. It was a miserable experience. I hope it's gone forever, too. Keep us posted. Best wishes. >> I got a call from the optician -- my glasses are ready! They asked >> the lab to re-check the Rx before shipping, and surprise! They [quoted text clipped - 6 lines] > >I hope it's gone forever. It was a miserable experience. WOO-HOO! Double vision really ISN'T fun at all. That's why I have such utter contempt and loathing for Otis :-) >That's why I have such utter contempt and loathing for Otis :-) Or maybe you're just an idiot :-) Dear Kakuzu, Item #2 is the correct answer. Otis On Aug 16, 6:25 am, Kakuzu <absolutelyinvinci...@hotmail.com> wrote:\ 1: > >That's why I have such utter contempt and loathing for Otis :-) 2: > Or maybe you're just an idiot :-) LOL joka! >Dear Kakuzu, > >Item #2 is the correct answer. Otis? Are you having fun lying about what Dr. Judy has and has not said? More dishonesty ... from our friendly neighborhood pathological liar, eh? Nice. Well Neil David Brooks What is your NEXT invention going to be? A square knot on a suture? Yeah, we all believe you. Like you tell the truth? Otis > On Thu, 16 Aug 2007 08:44:59 -0700, "otisbr...@pa.net" > [quoted text clipped - 12 lines] > > Nice. >> On Thu, 16 Aug 2007 08:44:59 -0700, "otisbr...@pa.net" >> [quoted text clipped - 12 lines] >> >> Nice. to which Lying Sack o'Crap Otis Brown responded: >Well Neil David Brooks > [quoted text clipped - 3 lines] > >Yeah, we all believe you. Like you tell the truth? Did you call David Granet? You're a lying sack of sh.t, Otis. I have never lied here. You have never told the truth. You live in CONSTANT FEAR of trying to verify easily verifiable facts, don't you. Your whole world will fall apart around you. Make the call: 858-534-2020 Let us ALL know how it goes.... Then, ask Dr. Judy whether or not YOU'RE LYING about what she did and did not say. [...you f.cking idiot...] x-no-archive: OK, Neil, I got it: http://groups.google.com/group/sci.med.vision/browse_thread/thread/7b0f72d66d988140 You are upset because it was not a square knot -- it was a SLIP knot suture. You are also upset because your abilities were not recognized in "Physiological Optics" -- and you think that they should be. So you take it out on other posters on sci.med.vision, when they question your "pefection". Further, you are upset because the plus lens some one gave to you as a small child created double vision, and six diopters of hyperopia. But Neil, I never gave them to you. Some ophthamologist did. Why not complain to him about your current vision status. After all he is responsible. > >> On Thu, 16 Aug 2007 08:44:59 -0700, "otisbr...@pa.net" > [quoted text clipped - 45 lines] > > - Show quoted text - >x-no-archive: > >OK, Neil, I got it: Dementia? I'll just bet you do. >http://groups.google.com/group/sci.med.vision/browse_thread/thread/7b0f72d66d988140 > >You are upset because it was not a square knot -- it was >a SLIP knot suture. I'm not upset, Uncle Otie. I'm just tired of you being a f.cking idiot. That's different. >You are also upset because your abilities were not >recognized in "Physiological Optics" -- and you >think that they should be. So you take it out >on other posters on sci.med.vision, when >they question your "pefection". I'm not upset, Uncle Otie. I'm just tired of you being a f.cking idiot. That's different. >Further, you are upset because the plus lens some >one gave to you as a small child created double vision, >and six diopters of hyperopia. I'm not upset, Uncle Otie. I'm just tired of you being a f.cking idiot. That's different. >But Neil, I never gave them to you. Some >ophthamologist did. > >Why not complain to him about your current >vision status. After all he is responsible. Still afraid to verify the truth of the issue, aren't you, Uncle Otie? Your very core will begin to unravel -- much as you mental status has -- if/when you find out that I've been honest, forthcoming, and accurate all along, while you've been deceptive, dishonest, illogical, evasive, harmful, irrational, and incoherent. Nice try at changing the subject again, Uncle Otie. Unfortunately, the REST OF US are still in possession of our faculties, making it all to easy to watch you try to squirm your way out. Here's that contact info again ... in case you lost it: Dr. David Granet - 858-543-2020 Please let us know the results of the call ... OR you COULD tell us that you got an answering machine, BUT THEN claim to have spoken to somebody ... yet another quandary (read: bald-faced lie) that you have yet to explain. You're a f.cking idiot, Otis. The truth hurts, but ... there it is. > Nice try at changing the subject again, Uncle Otie. The subject of this thread is my double vision, not any of the above few posts. Both of you have special threads for your special purposes, please take your continued arguments there. Thanks. Dear Brainy, If you go back through the post -- you will find that it was Uncle Brooks who choose to hijacked your post on double vision. Otherwise -- I would have not responded. Otis > > Nice try at changing the subject again, Uncle Otie. > > The subject of this thread is my double vision, not any of the above > few posts. Both of you have special threads for your special > purposes, please take your continued arguments there. Thanks. > It's now 5 pm and I have no hint of double vision. But based on my > past experience I know that it will happen again later today. And [quoted text clipped - 18 lines] > correcting the problem, it actually corrects itself every day... > Anyway, I am waiting impatiently (but hopfully) for my new glasses. I believe your double vision is due to ocular causes-- that is alignment of your eye is slightly off. You can strain throughout the day to keep them aligned but when you get tired at the end of the day alignment cannot be maintained. That is why you get diplopia at night and also why you don't get it when you use one eye all day long. I don't think, as you suspect yourself , that aneisokonia is the majority of the problem. I think you need to get a careful binocular evaluation looking for phorias and tropias. perhaps a little prism will save the day, On Aug 5, 8:09 am, p.clar...@gmail.com wrote: > > It's now 5 pm and I have no hint of double vision. But based on my > > past experience I know that it will happen again later today. And [quoted text clipped - 28 lines] > evaluation looking for phorias and tropias. perhaps a little prism > will save the day, I start to think that it might be computer induced fatigue. I recall quite a few discussions here about this issue, which I never read with much attention since I didn't think it applied to me. Can anybody tell me what causes computer fatigue and what are the symptoms? >I start to think that it might be computer induced fatigue. I recall >quite a few discussions here about this issue, which I never read with >much attention since I didn't think it applied to me. Can anybody >tell me what causes computer fatigue and what are the symptoms? In my lay opinion, Ms. B., I don't think it actually matters what the cause is (within the likely spectrum of NON-neurologic causes that are likely to explain your situation). EVEN IF it were anesthesia-related, I haven't seen anything in the literature that would indicate that this is anything other than a "get a binocular function evaluation by a good strabismus ophthalmologist or optometrist who's quite proficient in this area" situation. The range of fixes ARE rather limited, particularly since you've indicated that it IS a binocular (vs. MONOcular) issue. Anybody see any different treatment options that would hinge on the likely respective etiologies? Good luck. I know a lot about how awful double vision can be. Especially because tiredness IS a contributing factor, and--when you're tired--seeing double is even LESS fun.... That said, here's an article that you may find interesting: http://www.mdsupport.org/library/cvs.html It gives workstation/ergonomic direction on how to minimize the effects of "CVS." I would still think -- based on your history and the information you've given -- that a thorough binocular function evaluation would be important to elicit any underlying alignment issues that could be CAUSING or EXACERBATING this issue. I've always been an advocate of good visual hygiene, though, so I think there's no downside in implementing some of the suggestions in the cited article. Neil > I've always been an advocate of good visual hygiene, though, so I > think there's no downside in implementing some of the suggestions in > the cited article. Speaking about eye and visual hygene (whatever it means), I have read your emphasis on lubrication, i.e. using artificial tears. Whenever I reported to my various eye doctors about eye irritation, they always said -- "use tear drops". Like you, they added "with no preservatives", however the samples that they gave me were always WITH preservatives. I checked the drugstores, and it's really hard, or almost impossible, to find "no preservatives" tears. Since there is a recognition of the harm preservatives may cause to the eye, why are they used so broadly? >> I've always been an advocate of good visual hygiene, though, so I >> think there's no downside in implementing some of the suggestions in [quoted text clipped - 10 lines] >Since there is a recognition of the harm preservatives may cause to >the eye, why are they used so broadly? I'd have to say it's a purely business issue. For now, they have FDA approval on their side, and preservatives ARE relatively inexpensive and DO kill bugs that could otherwise cause infection. But there's a basic flaw in the premise. Most of these preservatives REQUIRE a normal tear film to achiveve "safe" dilution levels. Many people using drops are using them PRECISELY BECAUSE they're having a tear-film issue--be it temporary or chronic. In that case, the undiluted preservative is clinically beginning to damage the cornea at a cellular level. It also increases the permeability of the epithelium -- ITSELF a marker of dry eye. For anti-microbials (antibiotic, antifungal, antiviral drops), paradoxically, this can be a good thing. If an ocular infection is not superficial, then the increased permeability of the cornea that these preservatives can induce actually HELPS the antimicrobial drop to penetrate deeper. Unfortunately, this same side effect simply EXACERBATES a dry eye patient's dry eye condition. Alternatives are more costly and have a few incidental downsides (some find unit-dose packaging more difficult to open, for example). Nonetheless, I agree with my friend: "Preserve our Eyes, not our Drops!" Here's more.... http://preservative.free.fr/English/indexen.htm > > I've always been an advocate of good visual hygiene, though, so I > > think there's no downside in implementing some of the suggestions in [quoted text clipped - 10 lines] > Since there is a recognition of the harm preservatives may cause to > the eye, why are they used so broadly? Eyedrops without preservatives are expensive and have a very short lifespan, once opened. I believe they have to be discarded within 12-24 hours. If they do go bad, they will cause more harm than good. I used some drops (with preservatives) that had gone bad. My vision was destroyed for most of a day. >That said, here's an article that you may find interesting: > >http://www.mdsupport.org/library/cvs.html Very Interesting , really But, Without regard to m B. wich described her vision as >At this point I can't tell you exactly what I see in my bad bionic eye >(scleral buckle, IOL and a retinal pucker), only that it's not very >good. And it looks as really complicated condition the part of the article is propaganda of PROGRESSIVES PROGRESSIVES , speeking frankly paralize ACCOMODATION Lena >the part of the article is propaganda of > PROGRESSIVES >PROGRESSIVES , speeking frankly paralize ACCOMODATION Somebody's been listening to Otis again. That's ill-considered and dangerous. Cycloplegic drops may well interrupt the innervation of the nerves that trigger ciliary contraction, causing accommodation. I know that Otis thinks that's "unfair," but -- for those who really DO know anything about the eye and vision -- it's more than "fair;" it's IMPORTANT to understand the etiology and severity of various pieces of the patient's vision. Just because Otis doesn't understand something -- or it disagrees with his closely-held beliefs -- doesn't make it irrelevant OR "unfair." Otis doesn't understand accommodative tone, ciliary hypertonicity, accommodative insufficiency, ill-sustained accommodation, accommodative -tropias, pseudomyopia, etc., etc. Progressives are (widely and safely) used to decrease accommodative demand in cases of lenticular elasticity, accommodative esophoria, accommodative excess, etc. > >I start to think that it might be computer induced fatigue. I recall > >quite a few discussions here about this issue, which I never read with [quoted text clipped - 19 lines] > Especially because tiredness IS a contributing factor, and--when > you're tired--seeing double is even LESS fun.... OK, if the problem doesn't go away with my new glasses, I will go see Dr. Miller, whose specialty is identical to that of Dr. Granet. But I doubt this whole strabismus possibility -- it has never been my condition. >OK, if the problem doesn't go away with my new glasses, I will go see >Dr. Miller, whose specialty is identical to that of Dr. Granet. But I >doubt this whole strabismus possibility -- it has never been my >condition. But the symptoms you describe -- by definition -- are more than likely just that: a strabismus condition. Even if something more complicated (hopefully not) has come up, if it's manifestation is double vision, then a strabismus ophthalmologist should be well-placed to give you a Dx. Good luck! > > >I start to think that it might be computer induced fatigue. I recall > > >quite a few discussions here about this issue, which I never read with [quoted text clipped - 24 lines] > doubt this whole strabismus possibility -- it has never been my > condition. i doubt you have a serious strabismus issue. i think you have a significant phoria that occasionally breaks-down and manifests particularly when you are tired. it's not uncommon really! any optometrist worth his/her salt can do a binocular work-up sufficient to determine what the cause is. concerning your computer-- are you looking straight ahead through the distance portion of your glasses at the monitor or are you using the bifocal region? if your monitor is so big or set so high that you are viewing from the top of your glasses then your eyes will indeed get tired after a short while from trying to accommodate. try to lower your monitor and/or boost your chair. On Aug 7, 11:35 pm, p.clar...@gmail.com wrote: > > > >I start to think that it might be computer induced fatigue. I recall > > > >quite a few discussions here about this issue, which I never read with [quoted text clipped - 41 lines] > > - Show quoted text - I agree that the breakdown of a phoria may be involved in Ms. Brainy's double vision. But I think some other change resulting from her recent eye problems and procedures is also involved (e.g., slight muscle imbalance from the buckle surgery, minor alteration of the photoreceptor distribution due to retinal disease). It's been my experience that an eye care professional who specializes in binocular vision problems would do the best work-up. |
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