Severe occlusion of the ophthalmic artery causes ocular ischemic syndrome. It includes technology leadership in early surgical microscopes and ophthalmic devices. Nandrolone sulfate has been used in an eye drop formulation as an ophthalmic medication. Lidocaine drops can be used on the eyes for short ophthalmic procedures. In human medicine it is used in cardiovascular, ophthalmic and neurological procedures. Started Ophthalmic and Medical Instruments business. Other biomedical companies also produce brands of hyaluronan for ophthalmic surgery. Conner and Alexander focused on sterile ophthalmic products. Blood to the bulbar conjunctiva is primarily derived from the ophthalmic artery. Doxycycline has been used successfully to treat sexually transmitted, respiratory, and ophthalmic infections. This is accomplished via transarterial catheter based slow pulsed infusion into the ophthalmic artery. It is the world's largest manufacturer of ophthalmic lenses. Sensory deficits of the ophthalmic and maxillary branch of the fifth nerve are common. The main lens is composed of a typical ophthalmic lens. The extraocular muscles are supplied mainly by branches of the ophthalmic artery.