| LCS | cerebrospinal fluid [Lat. liquor cerebrospinalis]; left coronary sinus; life care service; low const... |
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| LILA | low impulsiveness, low anxiety |
| LIS | laboratory information system; lateral intercellular space; left intercostal space; library informat... |
| LVF | left ventricular failure; left ventricular function; left visual field; low-voltage fast; low-voltag... |
| Em | 1) Erythro-mycin 2) Emmetropia(Normal Vision) |
acute angle
| double vision | <ophthalmology, symptom> The perception of two images of a single object. Synonym: ambiopia, double vision, binocular polyopia. (18 Nov 1997) |
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| duplicity theory of vision | That the cones of the retina function in bright light and the rods function in dim light. (05 Mar 2000) |
| indirect vision | Vision resulting from retinal stimulation beyond the macula. Synonym: indirect vision. (05 Mar 2000) |
| organ of vision | The eye and its adnexa. Synonym: organum visus, organ of vision. (05 Mar 2000) |
| oscillating vision | The subjective sensation of oscillation of objects viewed. Synonym: oscillating vision. Origin: L. Oscillo, to swing, + G. Opsis, vision (05 Mar 2000) |
| tinted vision | A condition in which objects appear to be abnormally coloured or tinged with colour; designated according to the colour seen: xanthopsia, yellow vision; erythropsia, red vision; chloropsia, green vision; cyanopsia, blue vision. Synonym: chromatic vision, coloured vision, tinted vision. Compare: dyschromatopsia. Origin: chromato-+ G. Opsis, vision (05 Mar 2000) |
| triple vision | Visual defect in which three images of the same object are seen. Synonym: triple vision. Origin: G. Triploos, triple, + opsis, sight (05 Mar 2000) |
| tubular vision | A constriction of the visual field, as though one were looking through a hollow cylinder or tube. Synonym: tunnel vision. (05 Mar 2000) |
| tunnel vision | A constriction of the visual field, as though one were looking through a hollow cylinder or tube. Synonym: tunnel vision. (05 Mar 2000) |
| twilight vision | Vision when the eye is dark-adapted. See: dark adaptation, dark-adapted eye. Synonym: night vision, rod vision, scotopia, twilight vision. (05 Mar 2000) |
| facial vision | <physiology> Sensing the proximity of objects by the nerves of the face, presumed in the case of the blind and also in sighted persons who are blindfolded or in darkness. (05 Mar 2000) |
| yellow vision | <ophthalmology> A form of chromatopsia in which objects looked at appear yellow. Origin: Gr. Opsis = vision (11 May 1997) |
| Young-Helmholtz theory of colour vision | A theory that there are three colour-perceiving elements in the retina: red, green, and blue. Perception of other colours arises from the combined stimulation of these elements; deficiency or absence of any one of these elements results in inability to perceive that colour and a misperception of any other colour of which it forms a part. Synonym: Helmholtz theory of colour vision. (05 Mar 2000) |
| line of vision | The straight line extending from the object seen, through the centre of the pupil, to the macula lutea of the retina. Synonym: line of vision. (05 Mar 2000) |
| back pain, low | Symptoms in the low back can relate to the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low back, internal organs of the pelvis and abdomen, and the skin covering the lumbar area. The low back, or lumbar area, functions in structural support, movement, and protection of certain body tissue. (12 Dec 1998) |