Treatment for mild ptosis is -
fasanella servat operation
Levator resection
Frontalis sling operation
Everbusch's operation
Also known as tarsoconjuctivomullerectomy. Upper lid is eveed and upper tarsal border along with its attached muller muscle and conjuctiva is resected. Ref : ak khurana 6th edition REF IMG
Diseases of orbit, Lids and lacrimal apparatus