Doctor insights on:
Leading Cause Of Blindness In Elderly
I am wondering if there are any hereditary causes of progressive loss of vision to complete blindness that typically don't occur until an adult/elderly?
Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more
Hey docs, I am wondering if there are any hereditary causes of progressive loss of vision to complete blindness that typically don't occur until an adult/elderly?
Yes: The most common in this category is one of the family of diseases that cause retinal degeneration termed retinitis pigmentosa. There are also some cornea diseases that can do this also although corneal transplantation frequently can help these. There are a few rare optic nerve diseases inherited that do this with names like Lebers disease and choroideremia. ...Read more
Cataract: The most common cause of visual deterioration is cataract., nearly 50% of all causes. Treatable with surgery. Second is glaucoma (about 12%), preventable with early detection. Detection and treatment are more prevalent in developed countries. Third is probably macular degeneration, often not treatable. ...Read more
If glaucoma is 2nd leading cause of blindness, what percent of patients with open angle glaucoma go blind or have substantial field vision loss?
If an elderly hospital pt who has untreatable macular degeneration reports a further loss of vision then, normally, would it be a waste of time for the hospital to even look into the matter?
Any loss of vision: should be investigated as the cost of low vision societally is huge. However, in many socialized medicine countries, the older the patient, the less public health dollars are available for care to treat 'untreatable' conditions. There is wet and dry AMD. So, in either case, it does warrant further ophthalmological care to prevent against blindness. ...Read more
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