Upper Lid Retractors include?
*The levator palpebrae superioris is the impoant upper eye lid retractor. Injury or weakness to this muscle leads to ptosis. *Deep pa of the elevator muscle is the Muller's muscle, which is sympathetically innveed. Ref: Textbook of Ophthalmic reconstructive surgeries p.786
Diseases of orbit, Lids and lacrimal apparatus
Muller muscle and superior rectus
Levator palpabrae superioris and superior oblique
Superior oblique and superior rectus
Levator palpebrae superioris & muller muscle
Levator palpebrae superioris & muller muscle