How far should your phone be from your eyes?
about 20-28 inchesKeep a proper viewing distance: not too close, not too far.
Smartphones and tablets should ideally be positioned about 20-28 inches from the eye and about 4 or 5 inches below eye level.
Don’t use your phone in the sunlight: sunlight makes reading not easy to read and causes eye fatigue..
Is it bad to hold your phone too close to your face?
When a phone or other device is held close to one’s face, it forces the eye to work harder than usual to focus on text, says Mark Rosenfield, an optometrist who published research on the topic in The Journal of the American Academy of Optometry in 2011. The discomfort can eventually result in fatigue.
How far should I keep my cell phone away from me at night?
The closer your phone is to you at night, the more effect it has on your health. You might be asking yourself how far should it be. Your phone should be at least three feet away from your bed to limit exposure to radiofrequency energy.
Do phones affect your eyesight?
A new study says that smartphones may ruin your eyesight. Researchers at the University of Toledo, in Ohio, have found that exposure to blue-light — the glow emitted from most smartphones, tablets and laptops — promotes the growth of “poisonous molecules” in your eyes, leading to macular degeneration.
How do phones affect sleep?
They Suppress Melatonin. The blue light emitted by screens on cell phones, computers, tablets, and televisions restrain the production of melatonin, the hormone that controls your sleep/wake cycle or circadian rhythm. Reducing melatonin makes it harder to fall and stay asleep.