from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Equality of refraction in both eyes.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The normal condition of having equal refractive power in each eye
from The Century Dictionary and Cyclopedia
- n. A condition in which refraction is the same in the two eyes.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. equality of refractive power in the two eyes
Greek īsometros, isometric; see isometric + -opia.(American Heritage® Dictionary of the English Language, Fourth Edition)