Irid: From 1 Different Sources
(irido-) combining form denoting the iris.
The operation by which a hole is made in the iris of the EYE – as, for example, in the treatment of GLAUCOMA or as part of CATARACT surgery.... iridectomy
Inflammation of the iris and ciliary body. Iridocyclitis is more usually known as “anterior uveitis”. (See also eye, disorders of.)... iridocyclitis
A surgical procedure performed on the eye, in which an incision is made in the iris using a knife or a laser. (See also iridectomy.)... iridotomy
The study of the iris (see EYE). It is an old practice dating back to the days of Aristotle, and has been revived as a non-conventional treatment (see COMPLEMENTARY AND ALTERNATIVE MEDICINE (CAM)).... iridology
n. an operation for *glaucoma, now rarely performed, in which a small incision is made beneath the *conjunctiva close to the cornea and part of the iris is drawn into it. The iris acts like a wick and keeps the incision open for the drainage of fluid from the anterior chamber of the eye to the tissue beneath the conjunctiva.... iridencleisis
n. a radioactive isotope of the metallic element iridium. It is the most common source used for intracavitary *brachytherapy. Symbol: Ir-192.... iridium-192
n. a tear, caused by injury to the eye, in the attachment of the iris to the ciliary body. Usually a dark crescentic gap is seen at the edge of the iris where the tear has occurred, and the pupil pulls away from the site of the tear.... iridodialysis
n. tremulousness of the iris seen when the eye is moved. It is due to absence of support from the lens, against which the iris normally lies, and occurs when the lens is absent or dislocated from its normal position.... iridodonesis
n. paralysis of the iris, which is usually associated with *cycloplegia and results from injury, inflammation, or the use of pupil-dilating eye drops. In the case of injury, the pupil is usually larger than normal and moves little, if at all, in response to light and drugs.... iridoplegia
(rubeosis) growth of blood vessels onto the iris, usually as a result of ischaemia of the eye. This occurs, for example, in diabetic *retinopathy and central *retinal vein occlusion.... rubeosis iridis
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