Category: H

A condition caused by paralysis of the sympathetic nerve in one side of the neck, making the eyelids hang down and the pupils contract [Described 1869. After Johann Friedrich Horner (1831-86), Professor of Ophthalmology in Ziirich, Switzerland.] Group of symptoms—drooping upper eyelid, constricted pupil, absence of facial sweating— occurring as a result of damage to…

A horizontal groove between the superior and middle lobes of a lung. Anatomical landmark of the right lung that separates the superior and middle lobes.  

Lying flat or at a right angle to the vertical. Parallel to or in the plane of the horizon.  

An infection of the gland at the base of an eyelash. Bacterial (often staphylococcal) infection of a gland at the base of an eyelash, characterized by a pus-filled cyst, redness, pain, and other signs of inflammation. Treatment includes antibiotics and hot compresses. Also called stye. Red, painful swelling or pimple containing pus near the edge…

Surgery to replace lost tissues by grafting similar tissues from another person. Surgical repair of defective or damaged tissues or organs with a homograft.  

A condition in which the same half of the field of vision is lost in each eye. Blindness of nasal half of the visual field of one eye and temporal half of the other, or right-sided or left-sided hemianopsia of corresponding sides in both eyes.  

Affecting the two eyes in the same way.  

To give something a uniform nature.  

A person who practises homeopathy.  

Pain in the calf when the foot is bent back, a sign of deep-vein thrombosis [Described 1941. After John Homans (1877-1954), Professor of Clinical Surgery at Harvard, USA.] Presence of pain in the calf of the leg with dorsiflexion of the foot that is indicative of thrombophlebitis or thrombosis. Pain in the calf when the…