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 The dosage of Vitamin A in keratomalacia in a 2 year old boy who is 12 kg weight is and explain in detail?
Xerophthalmia:- * Spectrum of ocular disease ranging from night blindness to corneal melting caused by vitamin A deficiency. Who Classification of Xerophthalmia: - XN:- Night blindness X1A:- Conjunctival xerosis X1B:- Bitot's spots X2:- Corneal xerosis X3A:- Corneal ulceration- keratomalacia involving one- third/ less of the cornea X3B:- Corneal ulceration- keratomalacia involving one - half/ more of the cornea XS:- Corneal scar XF:- Xerophthalmic fundus Treatment: - * MEDICAL EMERGENCY especially in malnourished infants. Vitamin A Dosage: - * 2 LAKH I.U - ORALLY OR 1 LAKH I.U - I.M 3 doses are given = DAY 1, DAY 2 & With in 1-4 WEEKS * Children between 6-11 months: half the dose * Children < 6 months : quaer the dose. Ref:- Parson's Diseases of the eye 22nd edition; pg num:- 218