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WS/T 773-2020: (Guidelines for the prevention and control of myopia in children and adolescents during home quarantine of infectious diseases)
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(Guidelines for the prevention and control of myopia in children and adolescents during home quarantine of infectious diseases)
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WS/T 773-2020
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Basic data | Standard ID | WS/T 773-2020 (WS/T773-2020) | | Description (Translated English) | (Guidelines for the prevention and control of myopia in children and adolescents during home quarantine of infectious diseases) | | Sector / Industry | Health Industry Standard (Recommended) | | Classification of Chinese Standard | C56 | | Word Count Estimation | 8,871 | | Date of Issue | 2020-07-28 | | Date of Implementation | 2020-07-28 | | Regulation (derived from) | State-health communication (2020) No. 16 | | Issuing agency(ies) | National Health Commission | WS/T 773-2020: (Guidelines for the prevention and control of myopia in children and adolescents during home quarantine of infectious diseases)
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(Guidelines for the prevention and control of myopia in children and adolescents during home quarantine of infectious diseases)
ICS 13.100
C 56
WS
People's Republic of China Health Industry Standard
Myopia in children and adolescents during home isolation during an infectious disease epidemic
Prevention and Control Guide
Guidelines for preventing and controlling myopia in children and adolescents during
home quarantine of infectious disease epidemic
2020-07-28 released
2020-07-28 Implementation
Issued by the National Health Commission of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Drafting organizations of this standard. Anhui Medical University, Beijing Center for Disease Control and Prevention, Shanghai Eye Disease Control Center, Tianjin Medical University,
Peking University People’s Hospital, Soochow University, School Health Care Institute of Yangjiang City, Guangdong Province.
The main drafters of this standard. Tao Fangbiao, Wu Xiaoyan, Guo Xin, He Xiangui, Zhang Xin, Li Yan, Pan Chenwei, Chen Qing, Tong Juan.
Guidelines for prevention and control of myopia in children and adolescents during home quarantine during infectious disease epidemics
1 Scope
This standard provides the main hygiene points, behavioral guidance, glasses wearing and testing of children and adolescents during home isolation during the infectious disease epidemic.
Guidelines for health protection of optical glasses.
This standard is applicable to all types of primary and secondary schools and school health service agencies to carry out children and adolescents during the home isolation period of infectious diseases.
Prevention and control of myopia. Ordinary colleges and universities, other types of schools, as well as children, adolescents and parents can refer to it.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1
Infectious disease epidemic
Outbreaks and epidemics of infectious diseases caused by various pathogenic organisms (pathogens).
2.2
Home quarantine
During the epidemic of infectious diseases, due to epidemic prevention and control requirements, certain groups of people are restricted from moving at home to reduce the risk of infectious disease infection.
2.3
Physical distancing/social distancing
The spatial distance maintained in different social activities.
2.4
Screen time
Time spent watching products with electronic screens for entertainment purposes.
Note 1.Products with electronic screens such as computers, TVs, mobile phones and tablets (referred to as electronic products).
Note 2.Does not include online learning and video call time.
3 Essentials of Hygiene
3.1 Use time of electronic products
3.1.1 The online learning time of primary school students does not exceed 20 minutes each time; the online learning time of middle school students does not exceed 30 minutes each time.
3.1.2 The daily screen time of preschool children should not exceed 1 hour, and the daily screen time of school-age children and adolescents should not exceed 2 hours. The younger children and adolescents should spend less time watching the screen.
3.2 Selection and placement of electronic products
3.2.1 Selection of electronic products
3.2.1.2 In the case of the same screen size, choose an electronic product with a high screen resolution.
3.2.2 Placement and viewing of electronic products
3.2.2.1 Electronic products should be placed away from windows and direct light, and the screen side should face the windows.
3.2.2.2 The viewing distance of the TV is not less than 4 times the diagonal distance of the screen, the horizontal viewing distance of the computer is not less than 50 cm, and the viewing distance of the mobile phone is not less than 50 cm.
The viewing distance is not less than 40 cm.
3.2.2.3 When viewing electronic products, the head and neck should be kept straight or slightly tilted forward to avoid sideways, excessive forward extension, backwards or excessive bowing of the head and neck.
3.2.2.4 When viewing electronic products, adjust the brightness to make the eyes feel comfortable, and avoid too bright or too dark.
3.3 Daylighting and lighting
3.3.1 Place the desk so that its long axis is perpendicular to the window. Natural light enters from the opposite side of the writing hand when studying during the day to avoid direct sunlight.
3.3.2 When the natural light is too strong during the day, it is advisable to use curtains to block the light, and adjust the curtains according to the angle of the sun.
3.3.3 The average illuminance value of the desktop is not less than 300 lx.
3.3.4 When the natural light is insufficient during the day, the ceiling light of the room should be used first; when the light is still insufficient, use the reading and writing desk lamp for auxiliary lighting.
3.3.5 For reading and writing at night, it is advisable to use the ceiling lamp in the room and the reading and writing desk lamp at the same time. The reading and writing desk lamp should be placed in front of the writing hand.
3.3.6 Use the LED reading and writing desk lamp with adjustable color temperature, the color temperature should be adjusted below 4000 K at night; the color temperature is not adjustable and the color temperature is higher than
The 4000 K LED reading and writing desk lamp is not suitable for use at night. The blue light hazard level of the retina of the LED reading and writing desk lamp should be RG0.
3.3.7 It is not suitable to use naked lights without lampshades for lighting.
3.3.8 It is not advisable to place glass plates or other items prone to glare on the desk.
3.3.9 Avoid using electronic products in dimly lit environments, and avoid using electronic products before going to bed.
3.4 Desk and chair adjustment
3.4.1 When using an adjustable desk and chair, adjust the height of the desk and chair according to Appendix A according to the height of children and adolescents.
3.4.2 When using non-adjustable desks and chairs, according to "Children’s and adolescents’ thighs should be perpendicular to their calves when sitting on the chair, and their upper arms should be under
The elbow should be lower than the table top 3 cm ~ 4 cm" principle to adjust the height of the desk and chair.
4 Behavior guidance
4.1 Screen and reading and writing gestures
4.1.1 When watching the screen, keep your shoulders relaxed, extend your upper back, your upper arms and forearms are at 90°, relax your wrists, and breathe regularly.
4.1.2 When doing homework, keep your eyes about one foot away from the book (about 30 cm), and your body about a fist (about 6 cm) away from the desk. Keep your fingers apart
It is about an inch (about 3 cm) from the pen tip.
4.1.3 Reading books and watching electronic products without prone position.
4.2 Eye use behavior and eye health
4.2.1 If the continuous online learning time or screen time exceeds 20 minutes to 30 minutes, it is advisable to look at a distance of 6 m for at least 10 minutes.
4.2.2 During online learning or during the intermittent viewing period, consciously close and open your eyes slightly harder and move your eyes up and down to relax your eyes.
4.2.3 After online learning or watching the screen, it is advisable to stretch the waist and arms, walk indoors, do exercises, squat, sit-ups, etc.; or stand in front of the window, balcony,
Exposure to natural light in front of the door.
4.2.4 Do eye exercises after cleaning your hands, no less than 2 times a day.
4.2.5 When the eyes appear dry, foreign body sensation, burning, itching, photophobia, jealousy, eye pain, etc., stop watching the screen; the symptoms are not
Go to the hospital in time when it is relieved; for elementary school students, parents should take the initiative to ask if they have the above symptoms every other week.
4.2.6 When there are symptoms related to myopia such as tilted head vision, frequent squinting, and winking, it is advisable to rest and exercise at an appropriate time, and go to the hospital if necessary.
4.3 Hand hygiene
4.3.1 Avoid rubbing your eyes with your hands.
4.3.2 Before doing eye exercises, please refer to the "Proper Hand Washing Steps" in Appendix B to clean your hands, and wash your hands for no less than 20 seconds.
4.3.3 Before removing and putting on the contact lens, please refer to the "Proper Hand Washing Procedures" in Appendix B to clean your hands, and wash your hands for no less than 20 seconds.
4.4 Outdoor activities
4.4.1 Living in a low-risk community, the daily outdoor activities should be no less than 2 hours, and outdoor activities for myopic children and adolescents should be longer.
Note. Outdoor activities include walking, brisk walking, jogging, skipping rope, bouncing ball, playing badminton, aerobics, etc.
4.4.2 If you live in a non-low-risk community, you can wear a mask for non-violent outdoor activities in an open place.
Note. During the novel coronavirus pneumonia epidemic, the social distance should not be less than 1 m.
4.5 Sleep and daily life behavior
4.5.1 The daily sleep time for elementary school students is not less than 10 hours, junior high school students is not less than 9 hours, and high school students is not less than 8 hours.
4.5.2 Avoid going to bed late and getting up late and irregular work and rest time.
4.5.3 Participate in appropriate housework.
Note. Housework includes cleaning, tidying the room, washing dishes, cooking, etc.
5 Health protection of glasses and optometry
5.1 Wearing glasses
5.1.1 It is advisable to wear frame glasses to correct vision.
5.1.2 It is not recommended to wear contact lenses, and orthokeratology lenses should be worn in accordance with the doctor's instructions for myopia correction.
5.2 Health protection of optometry glasses
5.2.1 During the epidemic, it is advisable to postpone the routine visual acuity review, optometry and glasses and other medical treatment activities.
5.2.2 If there is indeed a need for optometry and glasses, it is advisable to know the medical institution's ophthalmology department and the opening hours of the optician center in advance.
Make an appointment, and see the doctor in different time periods to avoid cross-infection.
5.2.3 In the process of optometry and glasses, children, adolescents and accompanying parents should take personal protection to avoid crowds.
Appendix B
(Informative appendix)
Correct hand washing steps
B.1 Get wet hands under running water.
B.2 Take an appropriate amount of hand sanitizer or soap, and apply evenly to the entire palm, back of the hand, fingers and between the fingers.
B.3 Refer to the "7-step hand-washing method" in Figure B.1 and follow the formula of "inner-outer-clamp-bow-large-stand-wrist" and carefully rub your hands at least
20s, the specific kneading steps are as follows.
--Face your palms together, and rub your fingers together;
- Rub the palm of your opponent's back along the finger joints, and exchange your hands;
--The palms are facing each other, and the ten fingers cross and rub each other along the finger gap;
- With a half-clenched fist, place the back of your finger on the palm of your other hand, rotate and rub, exchange your hands;
- Hold the thumb of the other hand and rotate and rub, exchange hands;
--Put your fingertips together in the palm of your other hand, rotate and rub, exchange your hands;
- Rub your wrists and exchange your hands.
B.5 Hold the water to flush the faucet and turn off the faucet.
B.6 Dry your hands with a clean towel or paper towel, or use a hand dryer to dry them.
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