As such, general or emergency room doctors should refer cases involving the posterior segment of the eye or intraocular foreign bodies to an ophthalmologist.

The blood vessels of the posterior segment of the eye and anterior uvea have the same infiltrates of inflammatory cells as the intracranial vessels.

Aqueous humor normally does not go into the posterior segment of the eye; it is kept out of this area by the lens and the Zonule of Zinn.

In the posterior segment of the eye, typically diagnosed at the region of the macula, deforming the eye in a way that the eye-length is extended associated with myopia (nearsightedness).

Ophthalmology: PharmaLight, ocular drug delivery platform that administers therapeutics, including macro molecules, to the posterior segment of the eye; Bio Lens; Nano Retina, developing the Bio-Retina, a bionic retina designed to return full sight to those blinded by a degenerative condition.