nyctalopia

nyc·ta·lo·pia

noun \ˌnik-tə-ˈlō-pē-ə\

Definition of NYCTALOPIA

: night blindness

Origin of NYCTALOPIA

New Latin, from Latin nyctalops suffering from night blindness, from Greek nyktalops, from nykt-, nyx night + alaos blind + ōp-, ōps eye — more at night, eye

First Known Use: 1684