A Comprehensive Review on Ophthalmic Drug Delivry System

The eye is a complex organ with unique anatomy and physiology. The structure of the eye can be divided into two main parts: anterior segment and posterior segment. The anterior segment of the eye occupies approximately one-third while the remaining portion is occupied by the posterior segment. Tissues such as the cornea, conjunctiva, aqueous humor, iris, ciliary body, and lens make up the anterior portion.