Vitamin A deficiency risk index development project 1987: 1. Towards creating A nutrition data bank; 2. Seaching for province based correlated of xerophtalmia; 3. The structural variables of xerophthalmia; 4. Regency risk index model of vitamin A deficiency in Indonesia a practical management approach to fight blindness and to monitor vitamin A deficiency; 5. Regency risk index of vitamin A deficiency development project