Nyctalopia in India
نویسنده
چکیده
Sir,?Though it is a rare disease in Europe, nyctalopia is not so uncommon in the tropics. There are two varieties of night-blindness?one symptomatic and the other idiopathic. The etiology of the disease is very obscure, and much more varied and uncertain is its treatment too. Dr. Tweedy says that " the prognosis of the symptomatic night-blindness is generally unfavourable ; while that of the idiopathic is more favourable?at least in so far as associated, constitutional and local states may be amenable to treatment." Recently we had to deal with several cases of night-blindness ; but I am not sure whether those were idiopathic or symptomatic. Dr. J. N. Ghosh, recently Civil Surgeon of Dinajpur, suggested to put Tr. Capsisi and water in equal parts into the eye once or twice a day. We noticed a marvellous result in all our cases, which took
منابع مشابه
Hemeralopia
and Nyctalopia as different clinical entities. Under ' Hemeraiopia ' (night blindness) he says ' The patients state that they see normally well during the day but during the evening must be led along in less well illuminated streets, etc.'. Under ' Nyctalopia' he _ says ' The symptom opposed to that of hemeraiopia is nyctalopia, i.e. that condition in which during the evening (in reduced illumi...
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