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Medical Forum / General / Vision / February 2006Prescription difference between eyes
Is it common for people to have issues with large differentials in prescription between the two eyes? I've been having some difficulty, and I wonder if it's possible that it's due to different cylinder correction. I only have a 0.5 difference (-1 vs -1.5) but the difference in distortion looks, subjectively, like kind of a lot if I look through the lenses without them on my face. Is it possible that I might be happier if I split the difference and used -1.25 on both eyes, even though things might not be as clear? In case it matters, I have 0.25 difference in spherical as well (+0.25, -1 vs. PL, -1.5). Dear Charles, Why not discuss these issues with your optometrist? I think he would be willing to support what you request. Best, Otis > I think he would be willing to support > what you request. Dear Charles, Please disregard Otis's postings. He is not in the medical profession, and not in any position to give medical advice. Thank you! Allen Dear Charles, Subject: Brain dead Liberman. It would be nice if Allen actually READ what I posted. It was TOTALLY NEUTRAL in content and "advice". It was a "test" to see if Allen Liberman actually READS anything or just has this knee-jerk response to any post I might make. Jeeze. Otis Half diopter difference shouldnt be noticable. Your optometrist gave you the right pescription, stick with it. Since your pescription is (very)low, your dependancy on glasses is low likewise. You do many things without glasses. My brother is -1.25 and doesnt need glasses except for driving. > Half diopter difference shouldnt be noticable. Your optometrist gave > you the right pescription, stick with it. Since your pescription is > (very)low, your dependancy on glasses is low likewise. You do many > things without glasses. My brother is -1.25 and doesnt need glasses > except for driving. Aceman how do you know "your dependancy on glasses is low" and "You do many things without glasses" to be the case?? For all you know he may wear glasses all the time. He may choose to do NO things without his glasses. He may feel uncomfortable without his glasses on. He may love wearing his glasses all of the time. We just don't know. However you are preaching to other people and telling them what they should be experiencing based on your (and your family's and friends') personal experiences. If you'd refrain from doing this you'd probably be a lot more popular on this newsgroup, as *sometimes* you do actually come up with some helpful advice. Dom > It was a "test" to see if Allen Liberman > actually READS anything or > just has this knee-jerk response > to any post I might make. Actually, I passed the test. I got you to react. Now if I could get you to READ my questions and ANSWER MY QUESTIONS. Like I said earlier Otis, the content of your posts equate to zero, zilch, nada, nothing and I will be sure anybody you reply to knows that. Do you get it yet? Allen > Is it common for people to have issues with large differentials in > prescription between the two eyes? I've been having some difficulty, [quoted text clipped - 5 lines] > even though things might not be as clear? In case it matters, I have > 0.25 difference in spherical as well (+0.25, -1 vs. PL, -1.5). My right eye is +3.5 and my left is +5.75 Been about that way as long as I can remember and I don't see why/how it causes trouble. What does cause problems, though, is my -2.25 astigmatism.  SignatureCheers, Bev """"""""""""""""""""""""""""""""""""""""""""""""" "We're from the Government. We're here to help." > Is it common for people to have issues with large differentials in > prescription between the two eyes? I've been having some difficulty, [quoted text clipped - 5 lines] > even though things might not be as clear? In case it matters, I have > 0.25 difference in spherical as well (+0.25, -1 vs. PL, -1.5). The axis of the astigmatism could be important here too. Ordinarily I wouldn't have thought a difference of 050 cyl would make that much difference - what are the difficulties you're having? You'd probably use 1.00 in each eye rather than the 1.25 compromise. Dom > The axis of the astigmatism could be important here too. > [quoted text clipped - 4 lines] > > Dom Thanks for the replies. My issue is a subtle feeling of non-cooperation between my eyes even though they are both sharp individually, mostly at distance. I'm working it with vision therapy, which mostly atacks convergence trouble, but this was another theory I had. I mostly wanted to ask the professionals on the forum how common it is for people to have trouble with different Rx between eyes. As a data point, I wear my glasses almost all the time. I sometimes get my breakfast and do stuff in the morning without them, but I really can't stand to be outside without them. I can read without them, but it's somewhat annoying, especially a computer screen, since it's further away. I think the 0.25 difference in sphere power makes it kind of annoying to go between glasses and no glasses. I can do better without them first thing in the morning than in the evening after wearing them all day. The simple fact hes only -1 would put him in perfect focus at 1 meter which means glasses wont make a difference for reading or eating. The exception if the astigmastim is significent but I have .75 and 1.5 astigmastim in my eyes and my .75 eye sees perfect at reading distance while the 1.5 astigmastim sees a little blurry but if I tilt my head, I can make horizontal or vertical lines clear. Perhaps he actually likes wearing glasses and/or is super picky about the tiniest bit of blur in the distance. I can not speak for him but the majority of my -1 friends go without glasses much or all of the time. They dont have any problem seeing and neither does my -1.25 brother. They dislike glasses so to them its worth seeing a tiny bit less clear in order to do away with the hassles of glasses. The very slight blur is less annoying than dealing with glasses accroding to my brother and friends. I would myself wear glasses much less when/if my vision improves so its down to a -2 to -2.5 > The simple fact hes only -1 would put him in perfect focus at 1 meter > which means glasses wont make a difference for reading or eating. The I'm not sure this is the right way to look at it with astigmatism. I'd agree for plain old nearsightedness. > The simple fact hes only -1 would put him in perfect focus at 1 meter > which means glasses wont make a difference for reading or eating. The [quoted text clipped - 11 lines] > myself wear glasses much less when/if my vision improves so its down to > a -2 to -2.5 Aceman: 1. Who were you replying to? Your post was threaded as a reply to Charles but it reads like a reply to me. 2. You wrote, "The simple fact hes only -1 would put him in perfect focus at 1 meter" - are we talking about the same person?? Charles tells us his eyes have cylinders of 1.00 and 1.50 respectively which definitely doesn't give him perfect focus at one metre, or at any distance for that matter. Surely all of your reading & research has given you a better understanding of astigmatism than that? 3. You wrote, "glasses wont make a difference for reading or eating"....YES THEY WILL!!! Sure there are some people with similar amounts of astigmatism who may be happy to go without glasses some or all of the time, but let me assure you that there are plenty of other people, perhaps more discerning than you, your family, your friends & acquaintances, who find that glasses correcting a 1.00D cyl make a real difference to reading and other tasks. 4. You wrote, "I can not speak for him but..." - well then why *do* you presume to speak for him, several times in this thread alone, not to mention in other threads? Your visual experiences are not necessarily the experiences of others. Dom > Thanks for the replies. My issue is a subtle feeling of > non-cooperation between my eyes even though they are both sharp > individually, mostly at distance. I'm working it with vision therapy, > which mostly atacks convergence trouble, but this was another theory I > had. I mostly wanted to ask the professionals on the forum how common > it is for people to have trouble with different Rx between eyes. I'd say a subtle feeling of non-cooperation between the eyes is more likely due to a problem either with the alignment of the lenses in your glasses (rather than the prescription strength), or the co-ordination between your eyes (e.g. convergence etc). Just my opinion based on the words you've used to describe it. Dom > I'd say a subtle feeling of non-cooperation between the eyes is more > likely due to a problem either with the alignment of the lenses in > your glasses (rather than the prescription strength), or the > co-ordination between your eyes (e.g. convergence etc). Just my > opinion based on the words you've used to describe it. Well, that's what they think right now anyway. Like I said, I'm doing VT for it. Unfortunately, it hasn't been the miracle cure I hoped for, after 3 months... I'm always alert to other possibilities. |
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