UNI EN ISO 10938:2017
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Ophthalmic optics - Chart displays for visual acuity measurement - Printed, projected and electronic
06-04-2017
ISO 10938:2016 applies to displays of optotypes generated by chart projectors and all other visual acuity measurement systems that use recognition of high-contrast optotypes and that are designed for general use, including optotypes printed on media (either opaque or intended for transillumination), those generated electronically, and those produced by optical projection.
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