A<unk> , also known as<unk> 's<unk> ,<unk> 's conjunctival<unk> , or conjunctivoplasty, and often misspelled<unk> , is a surgical procedure for correcting corneal disease. It involves excising a damaged section of cornea, and replacing it with a section (or "flap") of the patient's own conjunctiva. It is named for Trygve<unk>  (1902 – February 24, 1987), an American ophthalmologist of Scandinavian descent, who first described the procedure in 1958 at the Massachusetts Eye and Ear Infirmary.
Gundersen flap
Rotation flap
Perforator flaps
Eloesser flap
Joel-Cohen incision
DIEP flap
Phemister graft
Maylard incision