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haplopia(hăp-lō′pē-ă) [″ + ops, vision]
Single vision; a condition in which an object viewed by two eyes appears as a single object, in contrast to diplopia, in which it appears as two objects.
Medical Dictionary, © 2009 Farlex and Partners
Single normal vision, as distinguished from diplopia.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann