September 1979
Volume 18, Issue 9
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Articles  |   September 1979
The role of accommodative convergence at the limits of fusional vergence.
Investigative Ophthalmology & Visual Science September 1979, Vol.18, 970-976. doi:
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      J L Semmlow, D Heerema; The role of accommodative convergence at the limits of fusional vergence.. Invest. Ophthalmol. Vis. Sci. 1979;18(9):970-976.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Two possible explanations are presented for the mechanism which limits the maximum fusional vergence response. An experimental paradigm is developed to differentiate between these alternatives. Experimental results indicate that the blur generally associated with strong fusional effort is due to convergence accommodation "overdrive." Th important theoretical and clinical implications of this finding are presented.

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