Palpebral fissure

Palpebral fissure
Front of left eye with eyelids separated to show medial canthus. (Palpebral fissure, visible but not labeled, is artificially widened.)
Details
SynonymsInterpalpebral fissure
Identifiers
Latinrima palpebrarum
TA98A15.2.07.030
TA2205
FMA59110
Anatomical terminology

The palpebral fissure is the elliptic space between the medial and lateral canthi of the two open eyelids. In simple terms, it is the opening between the eyelids. In adult humans, this measures about 10 mm vertically and 30 mm horizontally.