GB 11533-2011: Standard for logarithmic visual acuity charts

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Scope

This Standard specifies the design criteria, printing specification, use methods, and
visual acuity statistical methods, etc. of visual acuity charts.
This Standard is applicable to general physical examinations for children, adolescents
and adults aged 3 years and above, distant and near optometry and visual impairment
screening for physical examinations such as enrollment and recruitment. It can also be
used for reference in ophthalmology and optometry clinical aspects.

Basic Data

Standard ID	GB 11533-2011 (GB11533-2011)
Description (Translated English)	Standard for logarithmic visual acuity charts
Sector / Industry	National Standard
Classification of Chinese Standard	C56
Classification of International Standard	13.100
Word Count Estimation	14,151
Date of Issue	2011-12-30
Date of Implementation	2012-05-01
Older Standard (superseded by this standard)	GB 11533-1989
Regulation (derived from)	Announcement of Newly Approved National Standards No. 23 of 2011
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Chinese standard specifies the standard eye chart design, printing specifications, the use of statistical methods and visual methods. This standard applies to three years of age and older children, adolescents and adults in general medical examination, enrollment, recruitment and other examination of far and near vision impairment determination and screening, clinical ophthalmology and optometry, etc. may also refer to the use.