Cataract is one of the biggest causes of blindness in Indonesia. More than 3,0% of the population in Indonesia is becoming blind and still increasing. There are so many people who still don?t realize that they are suffering from cataracts because of lack of access to a nearby eye clinic or hospital with an opthamologist. In this research, an application in mobile platform android has been developed to help people to screen by themselves and give a recommendation of opthamologists near them for checkup. An expert had made a decision about weighted in the symptoms and diagnosis in the system using the certainty factor method. The results show the kind of cataract and its weight that was suffered by users and give recommendations to nearby eye clinics