<prompt> Sudden painful loss of vision is seen in ___PapillitisCentral retinal vein obstructionOptic neuritisAll  <response>: Sudden painful loss of vision Acute congestive glaucomas primary or secondary Acute iridocyclitis Chemical injuries to the eyeball Mechanical injuries to the eyeball Optic neuritis Reference : Ophthalmopalgy khurana 6th edition page 494 