Wordnet 3.0
ADJECTIVE (1)
1.
of or related to the cornea;
The Collaborative International Dictionary of English v.0.48:
Corneal \Cor"ne*al\ (-al), a. (Anat.)
Pertaining to the cornea.
[1913 Webster]
WordNet (r) 3.0 (2006):
corneal
adj 1: of or related to the cornea