... Josie: I'm now retired from optics but can tell U that alot of #'s & know-how
go in to glasses. The 'whole Rx' is considered & takes knowledge. The
cylinder reading on written rx is the astigmatism + axis. If hi # & off axis,
the astig. changes. If U tilt frame-front wrong, it changes rx. Hi-astig. needs
to be ground on a base-curve that matches what U were use to. It's... (10 replies)
... cylinder form. There is a formula to convert it into either one and when you do you always change the axis by 90. Really depending on exactly what your sphere power was it doesn't look like it has changed very much. ... (1 replies)
... in left eye, axis 82. ... (1 replies)
... I have an astigmatism in my right eye only and my left is still near perfect. I had an astigmatism since I was in Grade. 6, and now I am in Grade 11. ... (0 replies)
... I had severe suture inflammation following my first ERM surgery, which temporarily changed my astigmatism axis. My vision in my affected eye with my old glasses was awful, but I gained a few lines on the eye chart when looking through a pinhole. ... (78 replies)
... After having my first eye test in 15 years I have been told that I have a small astigmatism in both eyes. ... (2 replies)
... I checked the glasses and they were off by 4 degrees, and I have high astigmatism I think, formula is 2 x 5 x 170 and 3 x 6.25 x 13 if I'm remembering correctly. ... (3 replies)
... Sometimes if you have a change in the axis of your astigmatism it can take a week or so to adjust. One degree can matter if you have significant astigmatism. It's not so critical if you don't. I would go back to my doctor. ... (3 replies)
... I'm not an expert in optics but, from experience, I would say that it is to be expected that the smaller the lens the more critical is has to be for astigmatism because the lens grinder has to effectively squash the correction into a smaller space. ... (3 replies)
... also, I'm not very sure the axis is correct, because I turn the glasses slightly and the vision in my left eye gets a bit better, so how important is the axis? ... (3 replies)
... sighted with an astigmatism in both eyes. ... (8 replies)
... Hey Murphy and others.. here is the script as written at the first exam in October...
OD +1.25(sphere) -6.00 (cylinder) 088 (axis)
OS PL " -4.50 " 070 "
add +2.00 (would this be the bifocal?)
and just written on the remarks part FT-28 ??
Recommendations: Hi-Index and Aspheric were checked. (10 replies)
... I had a huge problem getting glasses with my astigmatism. I have a strong astigmatism in both eyes. What I have found is that I am very sensative to the perscription being off by a small amount. ... (10 replies)
... ld be a prescription change but unless there is a drastic change it is probably not. Sometimes there doesn't seem to be a reason but sometimes it is astigmatism, axis change so many reasons but dont' let it go. It will drive you to distraction and make you a nervous wreck. ... (10 replies)
This site will give you the vision requirements for each state.
Usually, children are less resistant to wearing glasses when they discover how their vision improves. Has your son actually worn the glasses at all? Not wearing them won't make his vision worse; however, some myopic children can need... (6 replies)
... I just recently started losing my sight. I've had spectacular eyesight all my life, and then a couple months ago it just started to go. I'm 23 years old and it's devistating to me. The reason it effects me so much is because I can't stand the way I look with glasses on. (I'm a vanity freak)
I've been trying contacts over the past 2 months, but nothing seems to work... (9 replies)
... Hi. Posting here in hopes of an eye doctor might read and give me some advice here. I have severe astigmatism, ocular albanism with a nystagmus (oh ya and im a wee bit farsighted to boot hehe). My latest RX is sphere +4.50/+4.75 cylinder -2.75/-2.25 axis 004/175 if that helps you get the general picture of whare I stand.
I have been a bioptic driver for 14 years now and... (1 replies)
... years between the 2 exams and the changes in the Sphere, Cylinder, and Axis in both eyes over these years. ... (0 replies)
... it does have astigmatism correction which is the cyl and axis whereas the other ones doesn't, but is a fraction stronger which could compensate in a way. The astigmatism correction is the minimal amount so you may not even notice the difference. ... (2 replies)
... old Caucasian male. Since I was born, I have been struggling with farsightedness and astigmatism in addition to strabismus in my left eye. ... (0 replies)