Subconjunctival veins (in Latin v. subconjungivales) are superficial veins that are located on the conjunctiva. They are part of the circulatory system of the eyeball and provide drainage of the blood it receives from the tissues of the eye. Veins play an important role in maintaining normal eye function and health.
Anatomically, the subconjunctival veins are located on the upper eyelid, where they connect with deeper veins,