Review Of Optometrist Blue Light Glasses References. When combined, they create white light. Blue light blocking glasses have specially crafted lenses that are said to block or filter out the blue light given off from digital screens.web

According to the canadian association of optometrists (cao), “there is no clinical evidence that artificial blue light at low intensity and shorter exposure periods is harmful to the eye.” however, cumulative exposure to blue light over a lifetime has been shown to cause eye problems such as cataracts and symptoms of macular degeneration.web “normally, we would wear sunglasses outdoors to mitigate this effect, as sunlight also emits blue light,” she said. “however, indoors, our eyes are still exposed to blue light from screens, making them.web