Doctor insights on:
Does Glaucoma Affect Nearsightedness Or Farsightedness
Eye prescription is +0.25x-1.0. So my power is "+", but spherical equivalent is "-". Am i myopic or hyperopic? Is near or far vision better?
Depends...: +.25 is negligible, so you can say you're emmetropic. However you do have astigmatism, so you are astigmatic . Technically, you're hyperopic with astigmatism. With current data, i couldnt tell you whether near vision or distance vision is better, depends on whether you have presbyopia or not. If you don't have presybiopia, then they are equal. Hope that helps, but it can get confusing.... ...Read moreSee 1 more doctor answer
Yes: Though uncommon, there are ways for someone to change from near to far-sightedness. The most common way is from natural aging (growth of eye) and from cataract development (change in lens power). Other possibilities include laser vision, trauma, corneal scarring, refractive lens exchange, corneal ectasia, and retinal pathology. ...Read more
Yes: It is possible to have some distance vision and some near vision and still need glasses to get your best corrected vision. These terms are confusing and really just refer to where the light focuses on the retina. Also losing reading vision after 40 yrs of age is a separate problem called presbyopia. This sometimes gets confused with the other issues. ...Read more
Not commonly: These are the three basic errors of refraction along with presbyopia which is the farsightedness of older folk. Astigmatism, an ovalness of the eye can coexist with all of these. Near and farsighted are opposites and do not coexist although presbyopia is a type of farsighted which then can exist with underlying myopia. Ask your ophthalmologist to tell you which of these you have. ...Read more
It can. : Yes. Refractive errors can change at variable rates. ...Read more
It happens: It's not common, but definitely happens.Get a more detailed answer ›
No: One can be farsighted or nearsighted, not both at the same time. Have a great day. ...Read more
Yes: Its not typical but its not unusual. ...Read more
Yes: There are procedures for farsighted eyes and for nearsighted eyes as well. See an ophthalmologist to discuss your options. ...Read more
Focus problems: Focusing or far away objects requires a different combination of eye lens, cornea and retinal distance from the lens than focusing on nearby objects. The focusing system can go awry in both the far away combinations and/or the nearby combinations usually because of problems with the shape of the lens for each type of focus. ...Read more
Mom and dad: Genetics determine whether a person is nearsighted or farsighted. ...Read more
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