Age related cataract is a multifactorial disease and many risk factors have played a significant role in the development of the disease. Cortical and subcapsular cataract appears to be closely related to environmental stresses such as ultraviolet exposure, diabetes, and drug ingestion. ultraviolet radiation exposure, diabetes, diarrhea, nutritional factors and certain medications. The other factors which contribute to the development of cataract include education, gender smoking, alcoholism, blood pressure.