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Not more than four hours of screen time for kids

Increasing use of electronic gadgets, prolonged near work and lack of daylight exposure can result in progression of myopia or near-sightedness in children.

Published: 24th September 2020 09:21 AM  |   Last Updated: 24th September 2020 09:21 AM   |  A+A-

For representational purposes

By Express News Service

HYDERABAD:  Schools have been forced to shift from classroom to online teaching in this Covid era. Though schools have reopened, a majority of students have chosen to attend classes from home.

Children are required to spend long hours indoors, focussing on their mobile phones, iPads or laptops. This raises many concerns regarding their long-term health.

Increasing use of electronic gadgets, prolonged near work and lack of daylight exposure can result in progression of myopia or near-sightedness in children.

Electronic devices are known to emit short-wavelength blue light, suppressing the hormone melatonin which maintains the circadian rhythm in the body. Too much screen time can also result in dry eye, headache, stress, anxiety, behavioural and mental issues.

It is important to strike a balance between academic learning via digital technology and good physical, mental and personality development in children.

Hence, restricted use of electronic devices for studying has been advocated by doctors. Certain practices should be followed routinely by teachers and parents to ensure better lifestyle for children.

The amount of time the child spends on digital devices should be proportionate to the child’s age. While 12 to 16-year-olds can be allowed eight hours of online study, the hours of screen time for younger children should be restricted to less than four hours. Toddlers must be refrained from using digital device.

Teachers must give appropriate breaks during classes — a short break every 45 minutes and a long break of 1-2 hours during long sessions. Online classes should be scheduled in the morning and afternoon only, ensuring that children do not use these devices during the evening and night.

 It is important that the child sits on a straight-backed chair with armrests, with the screen placed about two feet away at eye level.

This ensures good posture and avoids back and neck problems in future. Larger screen devices like desktop, laptop or TV are preferable. Room lighting should be good and screen brightness should be optimum. Screen protectors can be used to reduce excessive reflection.

There should be good ventilation in the room. Sitting for long hours directly under fans or air conditioners can cause the eyes to dry up quickly.

This adds to the strain. They should be encouraged to consciously blink frequently. An easy method to follow is the 20-20-20 rule, where every 20 minutes, the child should take a 20-second break and look at any object 20 feet away. 

This will relax the ciliary muscles of the eyes and ease the strain due to prolonged near work. Preservative-free lubricating eye drops can be used to ease mild symptoms of dry eyes. Also, children who usually wear glasses must continue to wear them during classes.

Various ways to reduce screen time can be devised by teachers. Every day, there should be at least one session of physical exercise, yoga, dance class or virtual workout, intercepting the online teaching schedule.

This will be fun as well as healthy for children. For homework, they should be encouraged to use textbooks and notebooks, and avoid all digital devices.

Parents must themselves set a good example by staying away from mobile phones and TV as much as possible.

They can also develop ‘quality family time’, encouraging children to interact, play games and connect with family members during leisure time. It should be emphasised that use of electronic gadgets is only during classes and for learning. 

Children’s health and well-being must be the collective responsibility of families, teachers and doctors. Adapting to changing times, using technology to our advantage, but following safe measures can give better and healthier life. 

– By Dr Ramesh  Kekunnaya,  head, Child Sight Institute,  L V Prasad Eye Institute



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