Binocular Summation of Contrast Remains Intact in Strabismic Amblyopia | Zendy

Daniel H. Baker | Zendy; Tim S. Meese | Zendy; Behzad Mansouri | Zendy; Robert F. Hess | Zendy

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Binocular Summation of Contrast Remains Intact in Strabismic Amblyopia

Author(s) -

Daniel H. Baker,

Tim S. Meese,

Behzad Mansouri,

Robert F. Hess

Publication year - 2007

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.07-0194

Subject(s) - monocular , contrast (vision) , binocular vision , audiology , optometry , ocular dominance , strabismus , medicine , optics , ophthalmology , psychology , visual cortex , physics , neuroscience

Strabismic amblyopia is typically associated with several visual deficits, including loss of contrast sensitivity in the amblyopic eye and abnormal binocular vision. Binocular summation ratios (BSRs) are usually assessed by comparing contrast sensitivity for binocular stimuli (sens(BIN)) with that measured in the good eye alone (sens(GOOD)), giving BSR = sens(BIN)/sens(GOOD). This calculation provides an operational index of clinical binocular function, but does not assess whether neuronal mechanisms for binocular summation of contrast remain intact. This study was conducted to investigate this question.

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