Threshold Vision in Amblyopia: Orientation and Phase
Author(s) -
Robert F. Hess,
Sam A. Malin
Publication year - 2003
Publication title -
investigative ophthalmology and visual science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.935
H-Index - 218
eISSN - 1552-5783
pISSN - 0146-0404
DOI - 10.1167/iovs.03-0259
Subject(s) - spatial frequency , orientation (vector space) , contrast (vision) , phase (matter) , psychophysics , sensory threshold , audiology , psychology , neuroscience , optics , physics , medicine , cognitive psychology , mathematics , perception , geometry , quantum mechanics
The visual deficit in amblyopia involves both elevated contrast thresholds and distorted suprathreshold percepts at high spatial frequencies. It is currently unclear whether these two anomalies are part of the same neural disturbance or whether they reflect different neural dysfunction.
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