<prompt> Sudden painful loss of vision seen inAngle closure glaucomaCentral retinal aery occlusionAcute uveitisEndopthalmitis  <response>: Sudden painful loss of vision : Acute congestive glaucoma Acute iridocyclitis Chemical injuries to the eyeball Mechanical injuries to the eyeball Reference : AK KHURANA COMPREHENSIVE OPHTHALMOLOGY, Edition 4, Page-462 