Description: This symbols are used in eye tests and consists of four optotypes the outlines of an apple a pentagon a square and a circle These four symbols can be named and easily identified by preschool children and is useful in standard vision charts
By: luiscoentro
Date: 2015-07-19
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Filesize: 2605
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Lea Symbols sourced from Openclipart is licensed under CC0 1.0
* Note: Date might not match original source and might be an educated guess.