This standard specifies the technical requirements, inspection methods, inspection rules, and marking, packaging, transportation, and storage of children and adolescents’ corrective glasses. This standard applies to glasses prescribed for children and adolescents to correct refractive errors and amblyopia according to optometry prescriptions, but does not apply to progressive multifocal glasses. WS 219-2002 Children and adolescents’ corrective glasses WS219-2002 standard download decompression password: www.bzxz.net

Health Industry Standard of the People's Republic of China
WS219---2002
Corrective spectacles for children
Corrective spectacles for children2002-03-14 Issued
Issued by the Ministry of Health of the People's Republic of China
Implemented on 2002-07-01
WS219--2002
This standard is formulated on the basis of reference to British Standard BS2738.1-1989 "Optical Performance Tolerance of Fitted Spectacle Lenses" and American National Standards Institute ANSI Z80.1-1987 "Spectacle Lens Fitting Requirements", and in combination with my country's national conditions. The main technical requirements such as optical center horizontal deviation and optical center vertical deviation stipulated in this standard implement the contents of GB13511-1999 "Fitting Spectacles". In combination with the physiological and anatomical characteristics of the head and eyes of children and adolescents in my country, and taking the pupil distance of children and adolescents of different ages as the main reference index, it is stipulated that eyeglass frames for children and adolescents are divided into 10 specifications and sizes.
This standard is proposed by the Department of Health Law and Supervision of the Ministry of Health. The drafting units of this standard: Qingdao Municipal Hospital, Xiamen Eye Center, Affiliated Hospital of Inner Mongolia Medical College, Kaifeng First People's Hospital, Beijing Eyewear Factory.
The main drafters of this standard: Wang Yongjiang, Hong Rongzhao, Ai Yude, Wei Xiuju, Zhao Yi. The Ministry of Health entrusted the Institute of Child and Adolescent Health of Peking University Health Science Center to interpret this standard. Scope
Health Industry Standard of the People's Republic of China
Corrective spectacles for children and adolescents
Corrective spectacles for childrenWS219—2002
This standard specifies the technical requirements, inspection methods, inspection rules and marking, packaging, transportation, storage, etc. of corrective spectacles for children and adolescents. This standard applies to spectacles prescribed for correcting ametropia and amblyopia of children and adolescents according to optometry prescriptions, but does not apply to progressive multifocal spectacles.
2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB10810-1996 Spectacle lenses
GB13511-1999 Fitted spectacles
GB/T14214-1993 Spectacle frames
3 Definitions
This standard adopts the definitions of GB13511-1999 and the following definitions. 3.1 Ametropia
A type of eye disease in which parallel light rays cannot be focused on the retina after entering the eyeball without adjustment, including myopia, hyperopia, and astigmatism.
3.2 Correction
correction
Use glasses to correct various ametropias to treat myopia, hyperopia, astigmatism and amblyopia. 4 Technical requirements
4.1 Spectacle lenses
The physical and chemical properties, vertex power tolerance, optical center deviation, thickness tolerance, color, intrinsic disease and surface quality of spectacle lenses shall comply with the requirements of GB10810.
4.2 Spectacle frames
4.2.1 The mechanical strength, metal parts plating (coating), appearance quality and assembly accuracy of spectacle frames shall comply with the requirements of GB/T14214. 4.2.2 The specifications, dimensions and other requirements of children's and adolescents' spectacle frames shall comply with the provisions of Table 1. Approved by the Ministry of Health of the People's Republic of China on March 14, 2002 and implemented on July 1, 2002
Mirror core length
WS219—2002
Frame width
Template angle
95°~100°
Note: Frame width is the straight-line distance between the axes of the stump nuts on both sides of the frame 4.3 Horizontal deviation of optical center
Template inclination
6°~8°
Scope of application
Distance between holes
Reference applicable age
4.3.1 The horizontal deviation of the optical center of the corrective glasses must comply with the provisions of 5.3.1 of GB135111999, see Table 2. Table 2
Absolute value of vertex power in horizontal direction/D
0.25~1.00
1.25~2.00
2.25~4.00
4.25~6.00
Horizontal tolerance of optical center/mm
4.3.2 The unidirectional deviation between the optical center of the corrective glasses in the horizontal direction and the pupil distance shall not be greater than half of the horizontal difference of the optical center 4.4 Vertical height of optical center
4.4.1 The vertical mutual deviation of the optical center of the corrective glasses must comply with the provisions of 5.4.1 of GB13511-1999, see Table 3. Table 3
Absolute value of vertical focal length/D
0.25~1.00
1.25~2.00
2.25~8.00
Vertical difference of optical center/mm
4.4.2 The optical center of the lens should be within the range of 2mm above and 1mm below the horizontal line of the geometric center of the lens ring. 4.5 Allowable deviation of cylinder axis
The cylinder axis deviation of the corrective glasses must comply with the provisions of 5.5 of GB13511-1999, see Table 4.2
Absolute value of cylinder vertex power/D
>0.50~1.50
>1.50~2.50
4.6 Allowable deviation of prism power and base orientation
WS219-2002
Allowable deviation of axis
The allowable deviation of the correction power and base orientation of the corrective glasses prescribed by the optometry prescription shall comply with the provisions of 5.6 of GB13511-1999.
4.7 Assembly quality
The assembly quality of the corrective glasses shall comply with the provisions of 5.9 of GB13511-1999. 4.8 Shaping requirements
4.8.1 The left and right mirror surfaces of the corrective glasses should remain relatively flat. 4.8.2 The left and right support blades of the corrective glasses should be symmetrical. 4.8.3 The left and right temples of the corrective glasses should have an outward angle of 95°~100% and be symmetrical. 4.8.4 The temples should remain flat when opened or lying down, and the frame should not be twisted. 4.8.5 The deviation of the inclination of the left and right temples should not exceed 2.5°. 4.8.6 When the corrective glasses are delivered for use, the assembler should try and adjust them according to the head shape of the wearer to make the corrective glasses suitable for tightness and comfortable to wear; adjust the curvature of the temple ends to match the shape of the skull at the base of the ear and behind the ear, and adjust the height and width of the temple to suit the shape of the bridge of the nose: 5
Inspection method
The inspection of corrective glasses shall be carried out in accordance with the method specified in Chapter 6 of GB13511-1999. 6 Inspection rules
The assembled corrective glasses should be inspected item by item, and can only be put into use after they meet the requirements. The inspection items include the lens power tolerance, the cylindrical axis position tolerance, the optical center horizontal deviation, the optical center vertical deviation, the optical center height, the correction power tolerance, the prism base orientation tolerance, the lens color deviation, the lens thickness, the lens surface quality and internal defects, the glasses assembly quality and the shaping requirements. If any of the inspection items does not meet the requirements of this standard, it is a defective product. 7 Marking, packaging, transportation, purchase and storage
It shall be carried out in accordance with the requirements of Chapter 8 of GB13511-1999. WS219-2002
Health of the People's Republic of China
Industry Standard
Corrective glasses for children and adolescents
WS219--2002
Published by China Standards Press
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Format 880×12301/16 Printing sheet 1/2
Word count 10,000 words
First edition in June 2002 First printing in June 2002 Print run 1-1000
Book number: 155066·2-14440
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