| QRS-T | the angle between the QRS and T vectors in vectorcardiography [angle] |
|---|---|
| VOR | Vestibulo-Ocular Reflex |
| AOC | abridged ocular chart; amyloxycarbonyl; anodal opening contraction; area of concern |
| AROA | autosomal recessive ocular albinism |
| ASOD | anterior segmental ocular dysgenesis |
| convergence, ocular | The turning inward of the lines of sight toward each other. (12 Dec 1998) |
|---|---|
| positive ocular | <microscopy> A Ramsden ocular or any modification of it. The diaphragm is below the field lens. (05 Aug 1998) |
| Huygens' ocular | The compound ocular of a microscope, composed of two planoconvex lenses so arranged that the plane side of each is directed toward the observer. (05 Mar 2000) |
| intra-ocular calcification | <radiology> Retinoblastoma, foreign body, post-inflammatory atrophy of globe, chronic hypercalcaemia, tuberous sclerosis, cataract, Coats disease (congenital vascular anomaly of retina) (12 Dec 1998) |
| inverse ocular bobbing | Slow downward eye movement followed by delayed quick upward return. (05 Mar 2000) |
| ocular | 1. Of, pertaining to or affecting the eye. 2. Eyepiece. Origin: L. Ocularis, from oculus = eye (18 Nov 1997) |
| ocular albinism | The absence of pigment chiefly in the iris, choroid, and retinal pigment epithelium with deafness; X-linked inheritance. (05 Mar 2000) |
| ocular bobbing | Sudden conjugate downward deviation of the eyes with a slow return to the normal position; seen in some comatose patients who have bilateral hemisphere lesions. (05 Mar 2000) |
| ocular cone | The cone of light in the interior of the eyeball with the base formed by the rays entering through the pupil and the apex focused on the retina. (05 Mar 2000) |
| ocular crisis | Sudden and severe pain in the eyes. (05 Mar 2000) |
| ocular cup | The double-walled cup formed by the invagination of the embryonic optic vesicle; its inner component becomes the sensory layer of the retina, its outer layer, the pigment layer. Synonym: caliculus ophthalmicus, ocular cup. (05 Mar 2000) |
| ocular dysmetria | Abnormality of ocular movements in which the eyes overshoot on attempting to fixate an object. (05 Mar 2000) |
| ocular flutter | A spontaneous, brief, intermittent, horizontal oscillation of the eyes occurring during fixation; it often coexists with ocular dysmetria in cerebellar syndromes. (05 Mar 2000) |
| ocular humor | One of the two humor's of the eye: aqueous and vitreous. (05 Mar 2000) |
| ocular hypertelorism | <clinical sign, ophthalmology> Extreme width between the eyes, mental retardation may be associated. (13 Nov 1997) |