| goniometre ocular | <microscopy> A special type of ocular fitted with crosslines and a graduated head which rotates the crosslines to facilitate the measuring of angles, as in crystallography. (05 Aug 1998) |
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| retro-ocular | <anatomy> Behind the pons. Origin: L. Bulbus = bulb (18 Nov 1997) |
| cogwheel ocular movements | Loose, jerky ocular rotations replacing smooth following rotations. (05 Mar 2000) |
| compensating ocular | An ocular that compensates and corrects for the effects of chromatic aberration in the objective. (05 Mar 2000) |
| wide field ocular | An ocular that gives a larger than usual field of view and a high eyepoint. (05 Mar 2000) |
| musculoskeletal, neural, and ocular physiology | Activities and functions of the musculoskeletal system, the nervous system, and the eye and their parts. (12 Dec 1998) |
| 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 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) |