- vision in dim light (opposed to photopia).
Compare dark adaptation.
Origin of scotopia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the ability of the eye to adjust for night vision
New Latin, from Greek skotos darkness + -opia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.