NS EN ISO 10938 : 1998
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - CHART DISPLAYS FOR VISUAL ACUITY MEASUREMENT - PRINTED, PROJECTED AND ELECTRONIC (ISO 10938:2016)
12-01-2013
Pertains 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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