<prompt> Crowding phenomenon is seen in:HypermetropiaAmblyopiaStrabismusRetinitis pigmentosa  <response>: Crowding Phenomenon - patient is able to identify a Snellen chant character with the amblyopic eye when The character is presented in isolation. Crowding phenomenon seen in Amblyopia. Amblyopia - loss of vision in a child 8yr Lazy eye syndrome Mcc of amblyopia squint Best treatment of Amblyopia - occlusion of good eye - forces the amblyopic eye to see more and thereby develop better vision. Occlusion therapy works only when the development is plastic i.e. during childhood Vitamin used for treating Toxic Amblyopia - Hydroxycobalamine misnomer - Toxic Optic Neuropathy is better used term 