- Seidel scotoma
- a further development of an arcuate scotoma, extending out at one end or both ends; the concavity of the prolongation is always directed toward the fixation point.
Medical dictionary. 2011.
Seidel scotoma
Look at other dictionaries:
Seidel scotoma (sign) — Sei·del scotoma (sign) (ziґdəl) [Erich Seidel, German ophthalmologist, 1882–1946] see under scotoma … Medical dictionary
Seidel sign — Seidel s sign (also called Seidel s scotoma) is a sickle shaped scotoma that is a superior or inferior extension of the blind spot … Wikipedia
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 — 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
Seidel sign — a bright green flow of liquid seen when fluorescein dye is applied to the cornea and viewed with cobalt blue light. It indicates leakage of aqueous humour. E. Seidel (1882 1948), German ophthalmologist * * * see under scotoma … Medical dictionary
Seidel — Erich, German ophthalmologist, 1882–1946. See S. scotoma, S. sign … Medical dictionary
Bjerrum scotoma — a further development of a Seidel scotoma in which the sickle shaped defect contiguous to the blind spot extends above and below the fixation point and encircles it more or less completely … Medical dictionary
escotoma de Seidel — Eng. Seidel s scotoma Escotoma semilunar próximo al punto de fijación. Escotoma paracentral. Signo de Seidel … Diccionario de oftalmología
Miosis — Not to be confused with meiosis, mitosis, or myositis. Miosis Classification and external resources Slight miosis of the left eye (there is also concurrent partial ptosis on the left, most likely part of Horner s syndrome … Wikipedia
Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… … Medical dictionary
