Post on ophthalmic rings we have: KF ring Fleischer ring Wasius ring Sommering crystalline Weiss ring Golden ring Immune ring KF ring occurs in Wilsons disease where due to impairment of enzyme cello plasmin is responsible for copper metabolism, thus copper gets deposited at the periphery of Descemet's membrane of cornea thus on slit lamp it is seen as yellowish brown ring. Fleischer ring is presence of Hemosiderin at base of cone in keratoconus. Wasius ring is a result of blunt trauma where uveal pigment gets dposited on ant lens capsule in the form of a ring. Sommering c ring is seen in PCO.

Weiss ring is seen in PVD and old age. Golden ring is seen during Phacoemulsification. Immune ring is seen in fungal keratitis