Late developing astigmatism
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Late developing astigmatism
Anyone like to comment as to why after years of 6/6 0r 6/5 in both eyes no previously commented on astigmatism and still no requirement for near vision correction at 50, one eye should wander off over a year or so to +0.5 Sphere -2.25 Cyl Axis 170 (Near) ? Giving between 6/9 and 6/12 in that eye.
Hanna
Hanna
Psychophysiological entity
Unqualified opinion.
A nuclear cataract is often the reason for sudden myopia. Due to the fairly sudden onset, I wonder if such a problem might be causing such a swing in the CYL. I don’t know, but do have a detailed inspection for this problem.
The strange thing is, that with a nuclear cataract one can see very well with correction…for a while. Then the brain starts to look at various paths round the obstruction. i.e. multi-lensing. At this stage there is no option but to have the lens removed.
This next comment is really thinking ‘outside the box’, but I have just met someone with this problem. It was clearly observable to their family.
I expect you have had an initial checkup, but if there is no significant discomfort, have someone that knows you well, make a close inspection of the shape of your eye. By this, I mean the type of observation an artist might make rather than an eye doctor. Swelling due to chronic sinus infection in some swimmers for instance, has left some people with a pressure that distorts the entire eye. It might be very slight, but noticeable to a close relative for instance.
It’s strange, but people do not seem to feel more than a very slight pressure in some of these cases.
A nuclear cataract is often the reason for sudden myopia. Due to the fairly sudden onset, I wonder if such a problem might be causing such a swing in the CYL. I don’t know, but do have a detailed inspection for this problem.
The strange thing is, that with a nuclear cataract one can see very well with correction…for a while. Then the brain starts to look at various paths round the obstruction. i.e. multi-lensing. At this stage there is no option but to have the lens removed.
This next comment is really thinking ‘outside the box’, but I have just met someone with this problem. It was clearly observable to their family.
I expect you have had an initial checkup, but if there is no significant discomfort, have someone that knows you well, make a close inspection of the shape of your eye. By this, I mean the type of observation an artist might make rather than an eye doctor. Swelling due to chronic sinus infection in some swimmers for instance, has left some people with a pressure that distorts the entire eye. It might be very slight, but noticeable to a close relative for instance.
It’s strange, but people do not seem to feel more than a very slight pressure in some of these cases.
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Thanks for the reply.
Cataract did occur to me as well. The opthalmologist who arrived those figures at the time said both eyes were very clear so I presumed that he could see no trace of a cataract. He just said "Well you're 50 now". The lateral thinking idea has drawn a blank as well. I'll see how it goes.... not necessarily for licensing - the best I can hope for nowadays is an NPPL grade solo/safety pilot!
Hanna.
Cataract did occur to me as well. The opthalmologist who arrived those figures at the time said both eyes were very clear so I presumed that he could see no trace of a cataract. He just said "Well you're 50 now". The lateral thinking idea has drawn a blank as well. I'll see how it goes.... not necessarily for licensing - the best I can hope for nowadays is an NPPL grade solo/safety pilot!
Hanna.
