The ocular immune system protects the eye from infections results in regulating the healing processes following injuries. The inner part of the eye lacks lymph vessels but is highly vascularized, and also so many immune cells reside in the uvea, which contains mostly macrophages, dendritic cells, and mast cells. Fungi parasites bacteria and virus will enter the human body and are capable enough to spread the attack to inside surface of an eye by spreading the infection. The immune system plays an important role to inhibit the effect of infections of eye, and also during the corneal transplantation since transplantation is increasing rapidly. The ocular immunology track highlights the importance and affiliation of ocular biology and medicine.