monophthalmos

[mŏn′ŏf-thălmŏs′]
n.
  1. Congenital absence of one eye due to failure of outgrowth of the primary ocular vesicle, with absence of ocular tissues.
Related formsmon′oph•thalmic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.