Long -term use of digital devices is one of my myopia factors
According to the Ministry of Education, Culture, Sports, Science and Technology's "Sobuwa 2nd School Health Statistics Survey" announced in July 2021, the naked eye acuity of children is 1.The percentage of less than 0 is elementary school 37.52%, junior high school 58.29%was updated the highest ever.
One of the factors is the rapid spread of digital devices such as PCs, tablets, smartphones, and game consoles.Koichi Maruyama, an ophthalmologist and director of the Japan Ophthalmologist, says:
"According to the Ministry of Internal Affairs and Communications's" Ordinance's first -year version of the Information and Communications, "the Internet has appeared and spread, and the home communication environment began to be set up around 10 years, and shifts from" Garake "to smartphones.Due to the distribution of game consoles, digital devices such as PCs, tablets, smartphones, and game consoles have become indispensable to our daily lives. With this change in the environment, children.The current situation is that the usage time is increasing.
The use of digital devices, like reading, is the "close work" to see nearby things.If many children use digital devices and see the screen at a close range, it will increase the number of acquisition work, that is, the opportunity to focus on the hand, and increase time.In order to adapt to this focus, it is thought that the "eyelash length", which represents the length before and after the eyeball, will grow.Although it was known that reading could progress, the relationship between digital devices and myopia was not a certain evidence due to the gap between the evolution of technology and myopia research.Recently, however, the number of papers that suggests the involvement of digital devices in the progress of myopia is gradually increasing. "
The deterioration of children's visual acuity is not only genetic factors such as "if either father or mother is myopic," but also environmental factors such as "long -term use of digital devices due to changes in lifestyle".It can be said that it is also very related.
Based on the results of this survey, the Ministry of Education, Culture, Sports, Science and Technology will start a 9,000 -person survey at schools nationwide, and will pay close attention to myopia trends.
Eye health awareness manga "Giga Deo -Tan!"
画像を拡大Eye health awareness manga "Giga Deo -Tan!"
（資料：日本眼科医会提供 ©︎2021日本眼科医会）
At the school site, learning in the GIGA School concept started learning in a single terminal environment from April 2001.In the future, there are plans to promote the spread of digital textbooks for learners.
"The Japan Ophthalmology Association was planning a content that educates the children's eyesight so that children's vision will not be reduced even if the digital transformation of school education has progressed.Because of it, we believed that the latest medical knowledge was an urgent issue, and while working on the cooperation of the Ministry of Education, we created a leaflet and poster for the eye health awareness manga "Giga Digi Tan!". For the purpose of having school teachers use it for education and school health activities, it will be released on the website of the Japan Ophthalmology Association in PDF format, and will be released in March 2007 in accordance with the start of the GIGA School Concept.I am "
"Giga Digi -tan!" Is composed of five episodes.
In Episode 1, the correct posture when looking at the screen is sitting deep in the chair, and the distance to the screen is 30cm or more ~
In Episode 2, how to rest your eyes after looking at the screen -30 minutes on the screen to look away for more than 20 seconds and rest your eyes, and one hour before going to bed, the hormone has a sleep effect.Guidance to refrain from using the screen so that the secretion of "melatonin" is not inhibited ~
In Episode 3, precautions when writing letters and figures on the screen -Trying to convey while paying attention to color differences and combinations in consideration of color -permeable children-.
Episode 4 has the excellent functions of digital textbooks and how to teach for their purpose -Digital textbooks include special characters and images, audio conversion, reading functions, and black -and -white reversal functions, such as visual impairment.Tell the fact that children who need support have important functions ~
In episode 5, outdoor activity after looking at the screen -If you use digital terminals for a long time, you may cause eye strain, so you can take measures against ultraviolet rays and heat stroke, go out and move your body.do.In addition, pay attention to the description that outdoor activities in the "Let's check!"
The above content is composed of manga and easy -to -understand sentences.In addition to how to use "Giga Digi Digi -tan!" In the educational site, "Giga Digi -tan! Utilization! Utilization! Utilization!"Manual" is also released in PDF format.The points of each episode are summarized, so you can see more detailed information from the QR code.
In September 2001, a press conference by the Minister of Education, Culture, Sports, Science and Technology, was introduced as a health awareness tools for children associated with the GIGA School concept.The company will inform the Board of Education and proceed with efforts to protect the health of children.
Outdoor activities also haveopaisic control effects
丸山 耕一（まるやま・こういち）川添丸山眼科（大阪・高槻市）院長、眼科専門医。公益財団法人日本眼科医会理事 乳幼児・学校保健、広報担当。大阪府出身。1989年近畿大学医学部眼科学教室に入局し、95年医学博士号取得。近畿大学勤務後、2001年米ルイジアナ州立大学LSUアイセンター留学を経て、近畿大学医学部眼科の医学部講師に復職。09年から川添丸山眼科副院長、大阪府眼科医会理事を務める。18年、川添丸山眼科院長に就任。同年日本眼科医会理事となり、学校保健、広報担当となる。日本眼科医会の広報強化により、乳幼児・学校保健分野の広報活動にも従事
（写真：丸山氏提供）
Of the five episodes of "Giga Digi -tan!", "Episode 3" tends to overlook at the educational site.
"In Japan, about one in 20 boys and about 400 girls are said to have a" color sensory abnormal "that shows medical different results.For example, when emphasizing a part of letters and sentences on the screen, it is not "changing the color" in that part, but "draw underlined and wave lines" and "surrounded with rounds and square" other than color information.I want you to be aware of telling them.
In addition, episode 5 mentions the importance of outdoor activities, but as in Japan, children's myopia is progressing in Asia, and research on suppression of myopia is being conducted in Taiwan and Singapore.In these countries, it is said that outdoor activities for more than two hours a day are effective in controlling the progress of myopia, and the country encourages children outdoors.Even in schools that you usually go to, it is desirable not only to move your body as a refreshment, but also to secure outdoor activities to suppress youropia progress.In addition to physical education time, you may be able to devise outside play using rest time.It is said that activities in the shade are also effective under sunlight. "
It is clear that the GIGA School concept is progressing and digital equipment and teaching materials will become increasingly widespread in the daily life of children.
"The progress of myopia may be able to be suppressed to some extent by reviewing the learning environment and lifestyle. In the era of ICT in education, it is in light of the perspective of" protecting the health of children. "It is important to promote education and school health activities. Not only schools, but also homework and online classes that bring back the terminals. Even at home, it is more than 20 seconds after seeing the screen 30 minutes.I want you to talk with your child and decide the rules, such as "I do not look at the screen one hour before going to bed."
Parents are not only for their ophthalmology examinations at school, but also for children, such as saying, "It is difficult to see blackboards and screens" and "I sometimes narrow my eyes and look far away."If you see your worrisome behavior, it is important to have an ophthalmologist as soon as possible.
"If you are diagnosed with glasses or contact lenses, you will be sure to issue a prescription in the ophthalmology, and based on it, make the glasses with a technical glass store, and in the case of contact lenses.It is important to have the ophthalmology provide guidance. If you start using it, you should go to the hospital regularly and see if there is no need to change the frequency or new trouble. "
(Planning / sentence: Tomoko Nagashima, no Note Photo: Satoshi Kohno / PixTa)
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