scotoma

(redirected from absolute scotoma)
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References in periodicals archive ?
Ages and scores on vision function and reading measures for 60 subjects with absolute scotoma in visual field in Experiment 1.
Other research has focused on the effects of relative and absolute scotomas on target acquisition.
b) It shows an absolute scotoma in the superior field
There is total loss of function in the affected area, resulting in an absolute scotoma, but there is no threat to sight because, unlike a retinal detachment, a retinoschisis does not progress from the periphery towards the macula.
It produces a small, physiological, absolute scotoma. If fixation is not maintained the blind spot is less likely to be plottable and the credibility of the visual field test evidence derived from the rest of the procedure is brought into doubt.