GB 11533-2011
Standard for logarithmic visual acuity charts (English Version)
- Standard No.
- GB 11533-2011
- Language
- Chinese, Available in English version
- Release Date
- 2011
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB 11533-2011
- Replace
- GB 11533-1989
- Scope
- This standard stipulates the design standards, printing specifications, usage methods and visual acuity statistics methods of eye charts, etc. This standard is applicable to the general physical examination of children aged 3 and above, adolescents and adults, the measurement of distance and near vision and the screening of visual impairment in physical examinations such as enrollment and employment, and can also be used as a reference in ophthalmology and optometry.
GB 11533-2011 history
- 2011 GB 11533-2011 Standard for logarithmic visual acuity charts
- 1989 GB 11533-1989 Standard Logarithmic Vision Chart (Abolished)
