ABSTRACT
We evaluated the in vitro and in vivo effects of an XeCl excimer laser on the eyelid and anterior segments of the eye. The wavelength of this laser was successfully transmitted through a quartz fiberoptic system. The action of the XeCl excimer laser through our system was more photocoagulative than photoablative.
Subject(s)
Anterior Eye Segment/radiation effects , Eyelids/radiation effects , Lasers/methods , Animals , Anterior Eye Segment/ultrastructure , Cornea/radiation effects , Epithelium/radiation effects , Eyelids/ultrastructure , Iris/radiation effects , Microscopy, Electron, Scanning , Rabbits , Swine , XenonABSTRACT
We evaluated the effects of argon fluoride (ArF) and krypton fluoride (KrF) excimer lasers on ocular structures. We produced corneal incisions, optical iridotomy, capsulotomy, and retinotomy with these lasers. Incisions produced with ArF showed sharply defined borders with minimal coagulative effects to the adjacent structures. Cuts created with KrF showed coagulative necrosis of the wound edges ranging from two to five um in width. From our study it appears that ArF has photoablative action and KrF has a predominantly photoablative action with minimal photocoagulative effect on the tissue.
