Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «O»:
Ophthalmic: Pertaining to the eye. An ophthalmic ointment is
designed for the eye. ...
Ophthalmic artery: The ophthalmic artery supplies blood to the eye and adjacent structures of the face. It arises from the internal carotid artery that courses up deep within the front of the neck....
Ophthalmic migraine: Migraine involving the eyes
but without headache. Migraine, due to a spasm of blood
vessels in the brain, usually causes a headache. Flashes of
light may appear as jagged lines or "heat waves" in one
or both eyes and often last 10-20 minutes without a
headache. This is term...
Ophthalmic veins: The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior ophthalmic vein arises at the inner angle of the orbit and follows the course of the ophthalmic artery into the cavernous sinus, a large channel of venous blood. The inferi...
Ophthalmitis: Inflammation of the eye. Also known
Ophthalmologist: An eye doctor. A physician practicing
ophthalmology. An ophthalmologist is an M.D. ...
Ophthalmology: The art and science of eye medicine. ...
Ophthalmopathy: Any eye disease. External ophthalmopathy may refer to any disease of the eyelid, cornea, conjunctiva, or eye muscles while internal ophthalmopathy refers to any disease in the interior of the eye. From the Greek roots ophthalmos (eye) + pathos (suffering)....
Ophthalmoplegia with myopathy
Ophthalmoplegia with myopathy: See: Kearns-Sayre syndrome....
Ophthalmoplegia with ragged-red fibers
Ophthalmoplegia with ragged-red fibers: See: Kearns-Sayre syndrome....
Ophthalmoplegia-plus syndrome: See: Kearns-Sayre syndrome....
Ophthalmoscope: A lighted instrument, one of the most important tools of the physician, used to examine the interior of the eye, including the lens, retina and optic nerve.
The common clinical ophthalmoscope consists of a concave mirror and a battery-powered light (contained within the handle). Th...
Ophthalmoscopy: Examination of the interior of the eye, including the lens, retina and optic nerve, by indirect or direct ophthalmoscopy.
Indirect ophthalmoscopy employs a head lamp device to shine a very bright light into the eye. This is generally done by an ophthalmologist.
Opiate: A medication or illegal drug that is
either derived from the opium poppy, or that mimics the
effect of an opiate (a synthetic opiate). Opiate drugs are
narcotic sedatives that depress activity of the central
nervous system, reduce pain, and induce sleep. Side effects
may include oversed...
Opiate agonist maintenance
Opiate agonist maintenance: See: Methadone treatment program....