Doctor insights on:
Night Blindness Is Caused By The Deficiency Of
Rare: It take an extraordinary elimination diet to get vitamin a levels low enough to affect vision in the first world. The only known cases in such circumstances have been those on extreme diets such as all polished rice for over a year. There; are causes for night blindness. Which your ophthalmologist can diagnose, but vitamin a deficiency is unlikely. ...Read more
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
Could travatan drop cause night blindness when driving such as a starburst pattern of oncoming headlights?
Can be treatable: Nyctalopia can be caused by a number of things. A few are birth defects, vitamin a deficiency, medications, glaucoma, diabetes, cataracts, severe near sightedness, retinitis pigmentosa, and refractive surgery (eg. Lasik). There are other causes (some untreatable) but of the ones listed above the only untreatable causes are birth defects and retinitis pigmentosa. Treatable not same as curable. ...Read more
Inherited Disease: Retinitis pigmentosa is a group of inherited disorders that cause degeneration of the retina and vision loss. The condition can be inherited in multiple ways and has a variety of symptoms. The most common ones are night blindness and gradual loss of peripheral vision. There is currently no proven treatment, however gene therapy is being explored as a possibility. ...Read moreSee 1 more doctor answer
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