purpose: to report the clinical, confocal scan, and histopathologic features of bilateral nocardia keratitis following photorefractive keratectomy (prk). case report: a 23-year-old girl underwent simultaneous bilateral prk for myopia. on the third postoperative day, dense central infiltrates mainly involving the anterior stroma were noticed in both eyes. clinical and confocal scan features were...

photorefractive keratectomy is a preprogrammed surface corneal refractive ablation which is aimed to reduce or eliminate myopia, hyperopia or astigmatism through the removal of the corneal surface epithelium and basement membrane and the application of excimer laser photoablation to bowman membrane and anterior stroma. the epithelium then begins to cover the wound, in direct contact with the an...

purpose: to evaluate the efficacy of pregabalin and gabapentin for post-photorefractive keratectomy (prk) pain relief. methods: 150 patients were divided into 3 groups. after undergoing prk; groups 1, 2, 3 received pregabalin 75 mg, gabapentin 300 mg, and placebo 3 times daily for 3 days, respectively. patients could take acetaminophen-codeine 300/10 mg tablets every 4 hours as needed. patients...