3 votes

What brightness level of mobile/desktop/laptop we should keep for better eye care?

You can't give accurate values to the exact level of brightness needed for optimal reading. There are several factors that affect such things such as type of display, ambient light, type of work, ...
Prince's user avatar
  • 1,868
3 votes

Is the blue light emitted by computer monitors deleterious for the human eyes?

Is the blue light emitted by computer monitors deleterious for the human eyes? No. UV from the Sun (or other strong UV sources, such as germicidal bulbs) is harmful. Blue light from a computer ...
Rob's user avatar
  • 221
2 votes

Why can't we just close our eyes periodically to reduce eye strain?

Yes you can just close the eyes to relax them. The cure for fatigue is rest. It's not just the intraocular muscles that need to be relaxed. Even the extraocular muscles need the rest. Moreover, it ...
John David's user avatar
2 votes

What brightness level of mobile/desktop/laptop we should keep for better eye care?

I think it depends on the brightness of other light in the room. To reduce eye strain you should try to keep your screen at a similar light intensity compared to the rest of the light in the room. A ...
Uniphonic's user avatar
  • 229
1 vote

Evidence to support 20-20-20 rule?

6 m/20 feet is about the infinity distance for the human eye - actual infinity is infinity, but the accommodation between 6 m and infinity is minimal. this is known as the Far Point. The actual best ...
bob1's user avatar
  • 3,486
1 vote
Accepted

How can the human eye be tricked into keeping the lense relaxed?

To form a clear image, light must be focused on the retina, which detects the light and sends signals through the optic nerve to the visual centre of the brain. To achieve the focusing, most ...
Chris's user avatar
  • 3,332

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