Questions tagged [opthalmology]

For questions concerned with the study and treatment of disorders and diseases of the eye.

11 questions with no upvoted or accepted answers
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Is the increased intraocular pressure from playing wind instruments damaging to the eye?

People who play wind instruments often practice for hours every day. Some studies (this one as well) mentioned that intra-ocular pressure (IOP) raises during play. Some other studies measured a raise ...
3
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0answers
34 views

Do eye doctors check for tunnel vision?

Whenever I go in for an eye exam, I am subjected to Snellen charts (where the letters only appear in the center of my field of vision), air puffs against my eyes, and a bright light shined into my ...
2
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0answers
35 views

Does wearing UV blocking glasses worsen myopia in children?

I have found this article which claims (for chicken) that blocking outdoors UV light made myopia worse. Some kids require glasses from a young age, e.g. 6 years old. Most of these glasses do have UV ...
2
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0answers
30 views

Does playing wind instruments cause damage to the eyes overtime?

Found some studies that investigated the IOP's relation to wind instrument playing: one two three. I'm curious because I thought wind instrument playing (as over time it takes endurance to control ...
2
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0answers
99 views

Why are topical corticosteroids used in conjunction with an antiviral to treat herpes keratitis?

Herpes simplex keratitis is a viral infection of the eye. Topical antiviral medications are used to treat the virus. Corticosteroids ophthalmic drops are sometimes used as well. But corticosteroids ...
1
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0answers
27 views

Is there an objective method to know the degrees of nearsightedness or farsightedness?

Is there an objective method to know the degrees of nearsightedness or farsightedness? The current method for eye tests is to ask the patient to read numbers/letters, then the ophthalmologist puts ...
1
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0answers
98 views

When a person who is nearsighted doesn't wear corrective glasses, what happens?

Someone wrongly tagged as duplicate my previous question. The question is: When a person who is nearsighted (eyeglass needs minus sign) doesn't wear corrective glasses, does it make the situation ...
1
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0answers
21 views

Are phosphenes not a common ophthalmological phenomena?

I've been able to see them my entire life as far back as I can remember as a child (I am now 31 at this time of writing). I had always assumed this to be something that everyone can perceive, but by ...
1
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0answers
31 views

Do blood pressure and heart rate influence intraocular pressure and to what extent?

I assume the typical situation for an increase in intraocular pressure is this: on the one hand new vitreous is produced, but on the other hand the exit path for vitreous is blocked for one of many ...
0
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0answers
6 views

Corneal wavefront measurement using Hartmann-Shack sensor

When using a Hartmann-Shack sensor to measure wavefronts from the eye, what is precisely measured? The cornea topography only or also information about other eye components like lens, retina, and so ...
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8 views

Hyperemia of conjunctiva increases during evening and near work, why?

My book Parson Diseases of eye 23rd ed says pg141 hyperaemia primarily or as a result of underlying aetiology, causes a sense of discomfort often described as tightness, grittiness, inability to keep ...