نتایج جستجو برای: visual fields
تعداد نتایج: 593223 فیلتر نتایج به سال:
This report describes a method for conversion of visual fields from Goldmann perimeter charts to computer use, including area calculation, graphic display, and storage in the patient's data base. The computer program enables one to calculate and display several isoptres of each chart, as well as visual fields with scotomas or composed of islands. This method makes it possible to follow in an ac...
BACKGROUND The objective of this report is to describe the methods used to develop and validate a computerized system to analyze Humphrey visual fields obtained from patients with non-arteritic anterior ischemic optic neuropathy (NAION) and enrolled in the Ischemic Optic Neuropathy Decompression Trial (IONDT). The IONDT was a multicenter study that included randomized and non-randomized patient...
In primary visual cortex, a subset of neurons responds when a particular stimulus is encountered in a certain location in visual space. This activity can be modeled using a visual receptive field. In addition to visually driven activity, there are neurons in visual cortex that integrate visual and motor-related input to signal a mismatch between actual and predicted visual flow. Here we show th...
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