Prevention to Xerophthalmia is vitamin A, which is necessary for the function of light - sensitive nerve cells in the eyes and is first signs of night blindness. Lack of Vitamin A affects cornea, conjunctiva in this there is a patch of keratinized epithelium occurs that is bitot’s spot, sclera& Retina. Primary deficiency occurs with a poor diet and is important for maintain of proper eye sight. Usually Xeropthalmia can be reversed with Vitamin A therapy. Negligence of poor vitamin A is the leading cause of preventable blindness in children worldwide. An estimate of 250,000 to 500,000 children becomes blind every year because of vitamin A deficiency. Half of it dies within a year of losing their eyesight which also impact and harms their immune system. It can affect any age group, but it’s most severe blinding complications affect children aged 6 months to 3 years. It was estimated that 127 million preschool children under 5 years of age are vitamin A deficient. In Ayurveda Pathyapathya kalpana can prevents and also cures and improves the Dosha and Dhatus which leads to many factors in The Body. In Ayurveda there is no direct reference for Xeropthalmia but by Chakshushya Ahahar and Pathyas can prevent and improve the Health by supportive treatment of Vit A Intake to prevent Netra Rogas.