Parihar, Jitendra Kumar Singh Pars Plana-Modified versus Conventional Ahmed Glaucoma Valve in Patients Undergoing Penetrating Keratoplasty: A Prospective Comparative Randomized Study. [electronic resource] - Current eye research 03 2017 - 436-442 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1460-2202 Standard No.: 10.1080/02713683.2016.1185130 doi Subjects--Topical Terms: Anterior Chamber--surgeryCorneal Diseases--complicationsFemaleFiltering Surgery--methodsFollow-Up StudiesGlaucoma--complicationsGlaucoma Drainage ImplantsHumansIntraocular Pressure--physiologyKeratoplasty, Penetrating--methodsMaleMiddle AgedProspective StudiesRetrospective StudiesTonometry, OcularTreatment OutcomeVisual Acuity