Definition of Nyctalopia
"Nyctalopia" comes from the Greek "nyct" (night) + "aloas" (obscure or blind) + "opsis" (vision). Nyctalopia is also called day sight, nocturnal amblyopia, and nyctanopia.
Last Editorial Review: 10/9/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?