DSF/PREN ISO 7921
Ophthalmic optics and instruments – Near reading charts (ISO/DIS 7921:2023)
pending, Most Current
| Organization: | DS |
| Status: | pending |
| Page Count: | 17 |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
This International Standard applies to displays of high-contrast text that are designed for general near vision assessment. It does not apply to measurement systems designed for specialized testing of near visual acuity, e.g., low vision or low contrast charts or those intended for transillumination, or electronically generated systems.
Document History
DSF/PREN ISO 7921
Ophthalmic optics and instruments – Near reading charts (ISO/DIS 7921:2023)
This International Standard applies to displays of high-contrast text that are designed for general near vision assessment. It does not apply to measurement systems designed for specialized testing...