| scotophobia | Synonym: nyctophobia. Origin: scoto-+ G. Phobos, fear (05 Mar 2000) |
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| scotopia | Synonym: scotopic vision. Origin: scoto-+ G. Opsis, vision (05 Mar 2000) |
| scotopic | Referring to low illumination to which the eye is dark-adapted. See: scotopic vision. (05 Mar 2000) |
| scotopic adaptation | The adjustment of the eye occurring under reduced illumination in which the sensitivity to light is greatly increased or the light threshold is greatly reduced. Dark adaptation is slower than light adaptation. During dark adaptation rhodopsin is built up in the retinal rods. (12 Dec 1998) |
| scotopic eye | An eye that has been in darkness or semidarkness and has undergone regeneration of rhodopsin (visual purple), which renders it more sensitive to reduced illumination. Synonym: scotopic eye. (05 Mar 2000) |
| scotopic perimetry | Perimetry of a dark-adapted eye. (05 Mar 2000) |
| scotopic 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) |
| scotopsin | The protein moiety of the pigment in the rods of the retina. (05 Mar 2000) |
| scotoscope | <instrument> An instrument that discloses objects in the dark or in a faint light. Origin: Gr. Skotos darkness + -scope. Source: Websters Dictionary (01 Mar 1998) |
| scotoscopy | Synonym: retinoscopy. Origin: scoto-+ G. Skopeo, to view (05 Mar 2000) |
| Scott operation | A jejunoileal bypass for morbid obesity utilizing end-to-end anastomosis of the upper jejunum to the terminal ileum, with the bypassed intestine closed proximally and anastomosed distally to the colon. (05 Mar 2000) |
| Scott, Charles Jr | <person> U.S. Paediatrician, *1934. See: Aarskog-Scott syndrome. (05 Mar 2000) |
| Scott, H William | <person> U.S. Surgeon, *1916. See: Scott operation. (05 Mar 2000) |
| Scott-Wilson reagent | An alkaline solution of mercuric cyanide and silver nitrate used in the detection of acetone. (05 Mar 2000) |
| Scott-Wilson, H | <person> English scientist. See: Scott-Wilson reagent. (05 Mar 2000) |