Eyes and Vision

Night Blindness (Nyctalopia) Causes, Symptoms, Treatment

Most of us hear about night blindness being a problem with vitamin deficiencies, and specifically a vitamin A deficiency. However, this is an uncommon cause of a relatively common problem. Despite its name, a person does not go blind (complete loss of vision) at night. Instead it refers to a difficulty with sight at night >> Read More ...

Abnormal Eye Blinking (Excessive, Infrequent) Causes, Remedies

Most of us blink about 3 to 4 times a minute on average although there are times where we tend to blink more or less frequently for short periods of time.When blinking is either excessive or infrequent for prolonged periods of time then it is considered abnormal and needs to be investigated. These abnormalities may be due >> Read More ...

Nighttime Eyesight Problems Causes and Diseases

Humans have a limited capacity to see in the dark when compared to some other mammals. This limited capacity is not something that most of us bother with as artificial lighting has largely negated the associated impairment of functioning at night. However, when this nighttime eyesight ability starts to decline then it >> Read More ...

Retinitis Pigmentosa Causes, Symptoms, Treatment

There are many eye conditions that can lead to loss of vision, either partial or complete. Cataracts and macular degeneration are two relatively common eye disorders that lead to impaired vision. Another condition is retinitis pigmentosa which is rare but nevertheless a cause of >> Read More ...
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