Can Phone and Tablet Screens Cause Blindness? What You Should Know About Blue Light

The growing use of smartphones, tablets and computers has raised concerns about the effect of blue light on eye health. While prolonged screen use can cause discomfort and eye strain, current evidence does not establish that normal exposure to blue light from digital devices causes blindness.

What Is Blue Light?

Blue light is part of the visible light spectrum and is naturally present in sunlight. Digital screens also emit blue light, which can reach the eyes during prolonged device use.

* Blue light has relatively high energy compared with some other visible wavelengths.
* The eyes are exposed to much higher levels of blue light from sunlight than from ordinary digital screens.
* Research continues to examine the possible effects of long-term exposure.

Can Phone and Tablet Blue Light Cause Blindness?

There is currently no strong evidence that normal use of smartphones, tablets or computers causes blindness or permanent retinal damage. The blue light emitted by typical digital devices is generally considered to be below established exposure limits.

However, this does not mean excessive screen use has no effect on the eyes.…Keep reading the full & the viral video now.