The following conditions are common: 1. pigmentation, when the baby has brown pigmentation on the conjunctiva, there will be cloudiness, but it is mostly patchy and has no effect on eye activity and vision, so there is no need to intervene. 2. normal phenomenon, the normal eye can be divided into three layers, namely the conjunctiva, the sclera and the iris. This is a normal occurrence, as the sclera grows denser with age, the phenomenon will disappear. 3.