Dictionary

oculoplasty A branch of ophthalmology that is concerned with treatment of abnormalities of the structures around the eye, including the lids and tear drainage system, with the goals of improving function, comfort, or appearance.

oculomotor nerve The third cranial nerve. The oculomotor nerve is responsible for the nerve supply to muscles around the eye, including the upper eyelid muscle, which raises the eyelid; the extraocular muscle, which moves the eye inward; and the pupillary muscle, which constricts the pupil. Paralysis of the oculomotor nerve results in a drooping eyelid…

ocular lens See lens, ocular.

ocular Having to do with the eye.

OCPD Obsessive-compulsive personality disorder.

OCP Oral contraceptive pill.

OCD 1 Obsessive-compulsive disorder. 2 Osteochondritis dissecans.

occupational therapy Therapy designed to help patients gain or relearn skills needed for activities of daily living, including self-care, handwriting and other school-related skills, and work-related skills. In occupational therapy, patients may do exercises, manipulate items to help develop normal hand motion, or learn to use assistive devices, among other activities. Abbreviated OT.

occupational therapist A person who is trained and licensed to design and deliver occupational therapy services. Abbreviated OT. See also occupational therapy.

Occupational Safety and Health Administration An agency of the US government under the Department of Labor with the responsibility of ensuring safety at work and a healthful work environment. Abbreviated OSHA. OSHA’s mission is to prevent work-related injuries, illnesses, and deaths.

occupational medicine The field of medicine that encompasses occupational diseases. Occupational medicine was founded in 1700 by the Italian physician Bernardino Ramazzini, who recognized the relationship between lead and antimony and the symptoms of poisoning in painters and other artisans exposed to them. Ramazzini also first recognized miners’ lung disease.

occupational disease A disease that is due to a factor in a person’s work. For example, an occupational disease for coal miners is lung disease.