You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A child has got a congenital cataract involving the visual axis which was detected by the parents right at bih. This child should be operated- and explain in detail?
Congenitla unilateral cataract ivolving visual axis requires urgent surgery, as early as possible, i.e. within days. Congenital bilateral cataract i) Dense:- Early surgery by 4-6 weeks of age. ii) Paial:- Regular followup. Congenital unilateral cataract i) Dense or involving visual axis:- Urgent surgery within days. ii) Paial:- Observation. Ref: Ophthalmology by Duker 2nd/e p.420; Parson's 22nd/e p.270&21st/e p.266, 267; Khurana 7th/e p.192&4thg/e p.174.