http://purl.obolibrary.org/obo/Eye_makeup.jpg

uberon

A tetrapod's eye usually has one or more eyelids that can move across its surface and protect and cleanse it. The eye of lissamphibians has a stationary upper eyelid but a movable and transparent lower one.[well established][VHOG]

UBERON:0001712

• superior palpebral vein

• canthus

• upper eyelid nerve

• palpebral fissure

• upper eyelid epithelium
• upper eyelid mesenchyme
• epicanthal fold
• superior eyelid tarsus
• upper eyelash
• palpebral bone