Human vision is very much essential for the comfort living. The condition of cataract is the serious vision problem that just happens on the human lens which is placed between the iris and pupil. It causes the serious discomfort in eye making the person’s vision harder to see things. These cataracts are of many types. Some of the major type includes senile cataract, nuclear cataract, and cortical cataract. There are also some other types like sub capsular cataract which develops usually with the diabetes patient, it has been also advised to avoid steroids to prevent the condition of cataract in human. Even cataract can be formed due to some natural aging process, some treatments that improve the sight must be done with the cataract patients.