Best blue light blocking glasses with prescription banner. Ad for Blue light blockers, to reduce UV rays, in many styles including large, extra large and over the face lenses come in many colors for both day and nigh, including nigh driving,smart phone,iphone blue light blocking for kids,childeren,women,men,rx available with a prescription in the last 2 years. How do blue light blocking glasses work,Blue light blocking glasses work by filtering out a portion of blue light, which has been associated with disrupted sleep patterns and eye strain, from the light that enters the eyes. They typically have special lenses that contain coatings or filters that block or absorb blue light, while still allowing other colors of light to pass through. This can reduce the amount of blue light exposure and help mitigate its potential negative effects.