PURPOSE To determine whether glaucoma patients exhibit an abnormal melatonin concentration in aqueous humor. DESIGN Case-controlled study, laboratory investigation. METHODS Aqueous humor and plasma samples of 28 patients with primary open-angle glaucoma and 31 nonglaucoma control patients were collected during surgery, and additional plasma samples were taken the night preceding surgery. Me...

PURPOSE Ahmed glaucoma valves were implanted into the ciliary sulcus of two patients diagnosed with neovascular glaucoma with favorable outcomes. METHODS The study patients presented to our hospital with ocular pain caused by increased intraocular pressure (IOP). A thorough history was taken, and an ophthalmic examination was performed. RESULTS A 71-year-old male patient and a 57-year-old f...

BACKGROUND To determine the outcome of central retinal vein occlusion (CRVO) in pre-existing glaucoma and the predisposing factors of developing neovascular glaucoma (NVG). METHODS We retrospectively assessed a pre-existing glaucoma CRVO group and a non-glaucoma CRVO group to elucidate the demographics, clinical course and ocular parameters of these two cohorts. Among the pre-existing glaucom...

Purpose: To find out the outcomes of Ahmed Glaucoma Valve (AGV) implantation in a tertiary care hospital.
 Study Design: Retrospective case series.
 Place and Duration Study: Shifa International Hospital Islamabad from January 2018 to July 2020.
 Methods: This retrospective series 19 eyes 17 patients with refractory glaucoma included who underwent AGV follow-up period 6 months 01...

Department of Ophthalmology, National University Hospital, Singapore Glaucoma Service, Moorfields Eye Hospital, London, UK Singapore Eye Research Institute, Singapore Glaucoma Research Unit, University of Montreal, Montreal, Canada Montreal Glaucoma Institute, Montreal, Canada National Institute for Health Research, Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital, London, ...

PURPOSE Evaluate factors contributing to ptosis after glaucoma surgery. METHODS Three-year retrospective chart review from January 1, 2012, to January 1, 2015, 157 eyes, 3 surgeons, at Boston Medical Center, to determine the incidence of ptosis and the effects of each variable contributing to ptosis at 3 months after surgery. Each variable was analyzed using the chi-square or independent samp...