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point system test types


Definition: a near-vision test chart in which the various test types are multiples of a point (which is approximately 172 inch), the body of lower-case letters being about one half the designated point size; reading 4-point at 16 inches is normal and is designated N-4.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.