<prompt> Sudden loss of vision is seen in all except?Central retinal artery occlusionRetinal detachmentOpen angle glaucomaVitreous hemorrhage  <response>: Ans. is c i.e., Open angle glaucoma Sudden GradualPainfulPainlessPainfulPainless Acute congestive angle closure glaucoma Acute iridocyclitis uveitis Chemical mechanical injury to eyeball Endophthalmitis Optic neuritis Macular edema CRAO central retinal artery occlusion CRVO central retinal vein occlusion Central serous retinopathy Retinal detachment Exudative Age Related Macular Degereration ARMD Vitreous retinal haemorrhage Methyl alcohol amblyopia Subluxation or dislocation of lens Corneal ulceration Chronic simple glacouma Chronic ridocyclitis uveitis Progressive pterygium Corneal dystrophy Corneal degeneration Cataract development senile Chorioretinal degeneration Dry type- Age related macular degeneration ARMD Diabetic retinopathy Refractive errors Presbyopia 