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What is Commotio retinae is and explain in detail?
(B) Oedema of retina following blunt trauma # COMMOTIO RETINAE (Berlin's oedema): Common occurance following a blow on the eye"> Manifests as milky white cloudiness involving a considerable area of the posterior pole with a 'Cherry - red spot' in the foveal region.> It may disappear after some days or may be followed by pigmentary changes.