Learn how your eyes work, what parts they include and what can go wrong. Find out about refractive errors, corneal disorders, retinal disorders, optic nerve problems and more. TeachMe Anatomy The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. Comprehensive Guide to Human Eye Anatomy. The human eye is a remarkably complex organ that enables visual perception through an intricate network of structures and tissues. Each orbit houses one eye, surrounded by bones, muscles, blood vessels, and fat that provide support and protection. The eye is a highly specialized sensory organ responsible for vision. Structurally, it is a nearly spherical organ approximately 2.5 cm in diameter.
