1)      Unexplained temporary (< few hrs) blurred vision

2)      Recurrent brief episodes of blurring - Papilloedema (RICP)

3)      Unexplained painless loss lasting days to weeks (exclude retinal detachment, vitreous hemorrhage, cataracts)

4)      Painful loss (acute angle closure glaucoma, optic neuritis (painful eye movements), uveitis, corneal hydrops that is keratoconus)

5)      Sudden unilateral painless complete loss of vision (central retinal vessel occlusion, ischemic optic neuropathy, vitreous hemorrhage, retinal detachment)

6)      Age-related macular degeneration – yellow deposits in and around the macula, seen in dry macular degeneration,