ptosis; blepharoptosis; droopy eyelid
blepharitis; inflammation of the eyelid
eyelid speculum; lid retractor
palpebral nerve; palpebral entropion; entropion of the eyelids
corneal reflex; blink reflex
blepharospasm; spasmodic winking
tarsus (part of the eyelid)
meibomian gland; tarsal gland