PubMed · 866079
A binocular pinhole device for visual field constraint during reading.
Abstract
The Binocular Pinhole Device requires binocular vision, without constraints on head-movements, for viewing a group of letters at one fixation. It is simple and adjustable for individual differences. The role of peripheral vision can be explored in experimental settings.
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D Piggins, R Macerollo. 1977. A binocular pinhole device for visual field constraint during reading.. https://doi.org/10.2466/pms.1977.44.2.677
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