different between xerophthalmia vs nyctalopia

xerophthalmia

English

Etymology

xero- +? ophthalmia

Noun

xerophthalmia (plural xerophthalmias)

  1. (ophthalmology) A condition due to a deficiency of vitamin A where the conjunctiva and cornea become dry. The condition starts with conjunctival xerosis and night blindness and progresses to corneal xerosis and, later, a severe condition called keratomalacia.

Derived terms

  • xerophthalmic

Translations

xerophthalmia From the web:

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nyctalopia

English

Etymology

Borrowed from Ancient Greek ?????????? (nuktal?pía). From ??? (núx, “night”), ????? (alaos, “blind”), and ?? (ops, “eye”).

Pronunciation

  • IPA(key): /n?kt??lo?p??/

Noun

nyctalopia (countable and uncountable, plural nyctalopias or nyctalopiae)

  1. (medicine) The inability to see clearly in dim light; night blindness

Translations

See also

  • hemeralopia

Anagrams

  • polyactina

nyctalopia From the web:

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