Multifunctional nanotherapeutics for treatment of ocular disease

The eye is an important organ,it provides vision and it is an important component of our facial identity(1,2).There is an old saying“The eye is the window of the soul”,clear and bright eyes bring esthetic pleasure to people.Human eye is globular and consists of two main parts,the anterior and posterior segments(1,2).Although the posterior part of the eye is comfortably located in the orbit,they are delicate because its anterior segment including the cornea is exposed to the outside world,thus accessible to wear and tear.To protect and maintain the eye functions while reduce the disruptions from outside and inside the body,the eyes are equipped with defense mechanisms for both the anterior and posterior segments(1,2).