<prompt> What is to done of congenital cataract involving visual axis?Wait and watchOperated when the baby reaches an appropriate ageMydriatic s are givenImmediately operate  <response>: ANSWER: D Immediately operateREF: parsons 20th ed p, 257Timing of surgery in congenital cataract:BilateralUnilateralDenseEarly surgery to prevent stimulus deprivation ambylopiaPartialMonitor lens opacities and visual function and intervene if vision deterioratesDenseIf the u1 cataract is dense and involves the visual axis it should be treated with urgent surgery and aggressive anti ambylopia therapy despite which results are poor , however if detected after 16 weeks surgery is not advised because ambylopia is refractoryPartialNonsurgical treatment with papillary dilation and c1 occlusion to prevent ambylopia 