YAG laser posterior capsulotomy This procedure establishes a hole or window through a clouded
posterior capsule to improve vision after cataract surgery
Secondary intraocular lens implantation
Implantation of a replacement lens after previous cataract surgery
Corneal biopsy Removal of a small piece of the cornea, typically to diagnose
a suspected corneal infection
Excisional conjunctival and iris biopsies Surgical removal of a suspected conjunctival or iris tumor
Superficial keratectomy Surgical removal of lesions from the surface of the cornea
to improve vision and relieve discomfort