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What is Onion peel appearance cataract is seen in which of the following types? and explain in detail?
Posterior polar cataract Caused by persistence of the hyaloids aery. Strong adherence of the opacity to the weak posterior capsule Can be stationary as well as progressive type 1) Stationary-well circumscribed circular opacity localized on the central posterior capsule. Concentric thickened rings around the central plaque opaciy are seen (Bull's eye. onion peel appearance). 2) Progressive type-whitish opacification in the posterior coex (radiating rider opacity). Feather and scalloped appearance is seen. (Ref: researchgate.net)