NEN-EN-ISO 10938
Ophthalmic optics - Chart displays for visual acuity measurement - Printed, projected and electronic
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 October 2016 |
| Status: | active |
| Page Count: | 23 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
NEN-EN-ISO 10938 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.
Document History
NEN-EN-ISO 10938
October 1, 2016
Ophthalmic optics - Chart displays for visual acuity measurement - Printed, projected and electronic
NEN-EN-ISO 10938 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...
August 1, 1998
Ophthalmic instruments - Chart projectors
Specifies together with ISO/DIS 15004, requirements and test methods for chart projector systems for the projection of targets used for the determination of visual acuity, the refractive status and...
June 1, 1996
Ophthalmic instruments - Chart projectors
Specifies together with ISO/DIS 15004, requirements and test methods for chart projector systems for the projection of targets used for the determination of visual acuity, the refractive status and...