ISO/DIS 7921
ISO/DIS 7921


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.

General information 

  •  :  Under development
  •  : 1
     : 8
  •  : ISO/TC 172/SC 7 Ophthalmic optics and instruments
  •  :
    11.040.70 Ophthalmic equipment

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal:

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