منابع مشابه
Examination of the visual field in glaucoma.
-he types of visual field change associated with glaucoma have been well studied by Aulhorn and Harms. This presentation will review their findings. The technique of static testing will be described and static perimetry will be contrasted with kinetic perimetry. The meaning of "scatter" in visual field testing and several factors necessary for its control will be reviewed with specific recommen...
متن کاملExamination of the central visual field at a reading distance.
THIS investigation was started in an attempt to produce a simple, self-recording method of examining the central visual field that is readily performed at a reading distance, for example at the bedside or desk. A specially-designed chart incorporating a grid system, a pen, and a good light are the only necessary items of equipment. The use of a grid is based on the chart described by Amsler (19...
متن کامل4245 Visual field examination via motion-onset VEPs
Pureose: In a lot of patients an objectivization of visual field defects is needed. The commonly used VEPs (pattern-reversal, pattern-onset/offset) are not helpful because of their considerable amplitude reduction outside the macula. In contrast the motion-onset VEPs that can be obtained beyond the central 40 " of the vtsual field without significant amplitude reduction (Kuba, M. and Kubova, 2....
متن کاملSpecvis: Free and open-source software for visual field examination
Visual field impairment affects more than 100 million people globally. However, due to the lack of the access to appropriate ophthalmic healthcare in undeveloped regions as a result of associated costs and expertise this number may be an underestimate. Improved access to affordable diagnostic software designed for visual field examination could slow the progression of diseases, such as glaucoma...
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ژورنال
عنوان ژورنال: Proceedings of the Royal Society of Medicine
سال: 1977
ISSN: 0035-9157
DOI: 10.1177/003591577707001225