| IOFB | intraocular foreign body |
|---|---|
| IOP | improving organizational performance; intraocular pressure |
| ITR | intraocular tension recorder; intratracheal |
| OND | Ophthalmic Nursing Diploma; orbitonasal dislocation; other neurological disorders |
| T + 1, T + 2, T + 3 | first, second, and third stages of increased intraocular tension |
| dislocation fracture | A fracture of a bone near an articulation with its concomitant dislocation from that joint. (05 Mar 2000) |
|---|---|
| dislocation of articular processes | Complete dislocation of one or both articular processes, usually with overriding of the inferior articular process of the vertebra above into a position anterior to the superior articular process of the vertebra below. Synonym: locked facets. (05 Mar 2000) |
| open dislocation | A dislocation complicated by a wound opening from the surface down to the affected joint. Synonym: compound dislocation. (05 Mar 2000) |
| Kienbock's dislocation | Dislocation of semilunar bone. (05 Mar 2000) |
| knee cap dislocation | <orthopaedics> A dislocation of the knee cap most often occurs with the knee cap moving laterally (toward the outer aspect of the leg). Features include a partially flexed knee joint with obvious displacement of the knee cap laterally. Reduction is accomplished with knee joint extension and gently coaxing the knee cap back to the midline. (17 Dec 1997) |
| fracture dislocation | Dislocation associated with or accompanied by a fracture. (05 Mar 2000) |
| lisfranc fracture-dislocation | <radiology> Tarsal-metatarsal fracture-dislocation, trauma, diabetes (neuropathic) (12 Dec 1998) |
| lunate dislocation | A wrist joint injury characterised by dislocation of the lunate. (27 Sep 1997) |
| achromatic lens | A compound lens made of two or more lens's having different indices of refraction, so correlated as to minimise chromatic aberration. (05 Mar 2000) |
| acoustic lens | In ultrasonography, a lens used to focus or diverge a sound beam; may be simulated by electronic manipulation of signals. (05 Mar 2000) |
| anterior pole of lens | The central point on the anterior surface of the lens of the eye. Synonym: polus anterior lentis. (05 Mar 2000) |
| anterior surface of lens | The anterior surface of the lens of the eye. Synonym: facies anterior lentis. (05 Mar 2000) |
| aplanatic lens | A lens designed to correct spherical aberration and coma (q.v.). Synonym: periscopic meniscus. (05 Mar 2000) |
| apochromatic lens | A compound lens designed to correct both spherical and chromatic aberrations. (05 Mar 2000) |
| asphenc lens | <physics> A lens made aplanatic by grinding the outer zones to a greater radius than the inner zones. Aplanatic condensers can be made in this way. A simple aspheric lens is widely used as a lamp condenser because of its efficiency in converging light rays to one focal plane. (05 Aug 1998) |