central scotoma

central scotoma
a scotoma that corresponds with the point of fixation and interferes with or entirely abolishes central vision.

Medical dictionary. 2011.

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  • central scotoma — noun a scotoma that involves the fixation point • Hypernyms: ↑scotoma …   Useful english dictionary

  • scotoma —    Also known as negative scotoma. The term scotoma comes from the Greek noun skotos (darkness). It is used to denote an area or island of loss or impairment of vision, surrounded by a field of normal or relatively well preserved vision. In… …   Dictionary of Hallucinations

  • Scotoma — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD10|H|53|4|h|53, ICD10|H|53|1|h|53 ICD9 = ICD9|368.4, ICD9|368.12 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D012607 A scotoma (Greek: darkness ; plural:… …   Wikipedia

  • scotoma — 1. An isolated area of varying size and shape, within the visual field, in which vision is absent or depressed. 2. A blind spot in psychological awareness. [G. skotoma, vertigo, fr. skotos, darkness] absolute s. a s. in which there is no… …   Medical dictionary

  • escotoma central — Eng. Central scotoma Escotoma que aparece en el punto de fijación generalmente por lesión macular …   Diccionario de oftalmología

  • Scintillating scotoma — Infobox Disease Name = PAGENAME Caption = Example of a scintillating scotoma, as may be caused by cortical spreading depression. DiseasesDB = ICD10 = ICD10|H|53|1|h|53 ICD9 = ICD9|368.12 ICDO = OMIM = MedlinePlus = eMedicineSubj = neuro… …   Wikipedia

  • hemianopic scotoma — a scotoma that affects half of the central visual field. Cf. hemianopia …   Medical dictionary

  • escalón nasal central de Ronne — Eng. Ronne s central nasal scotoma Defecto campimétrico en escalón a lo largo del rafe medio debido a la mayor frecuencia de afectación de las fibras superiores respecto de las inferiores en los primeros estadios glaucomatosos. Escotoma de Ronne …   Diccionario de oftalmología

  • Chiasmal syndrome — Contents 1 Anatomy 2 Pathophysiology 3 Etiology and Epidemiology 4 Management 5 References …   Wikipedia

  • Visual field — The term visual field is sometimes used as a synonym to field of view, though they do not designate the same thing. The visual field is the spatial array of visual sensations available to observation in introspectionist psychological experiments …   Wikipedia

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