BS EN ISO 10938:2016

Ophthalmic optics. Chart displays for visual acuity measurement. Printed, projected and electronic. | Status: Confirmed, Current

1 Scope This International Standard 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.