TY - GEN AU - Levin,L A TI - Ophthalmology SN - 0098-7484 PY - 1996///0712 KW - Cataract Extraction KW - Cytomegalovirus Retinitis KW - Diabetic Retinopathy KW - Glaucoma KW - Humans KW - Lasers, Excimer KW - Ophthalmology KW - trends KW - Photorefractive Keratectomy KW - United States N1 - Publication Type: Journal Article ER -