* Comma sign: Comma shaped vessels in the bulbar conjunctiva is due to vascular occlusion of conjunctival vessels. * Vitreoretinal traction or retinal detachment cause flashes, floaters or dark shadows. * Sudden loss of vision may occur due to retinal artery occlusion, vitreous hemorrhage or retinal detachment. * Intravascular occlusions may be seen in optic disc vessels.
Sickle cell retinopathy
Autoimmune retinopathy
Diabetic retinopathy
Hypertensive retinopathy
Radiation retinopathy
Chloroquine retinopathy
Photic retinopathy
Autoimmune optic neuropathy