+18 Do Blue Light Blocking Glasses Really Work References. Blue light blocking glasses have specially crafted lenses that are said to block or filter out the blue light given off from digital screens. Companies that are selling these glasses often claim that they decrease digital eye strain, help prevent eye disease, and improve sleep.web

Blue light, of which the biggest source is the sun, naturally suppresses the body's production of melatonin, which tells our body to wake up, says arundel. Current lenses may block 6% to 43% of blue light, but blocking all blue light during the day could have other negative effects. Companies that are selling these glasses often claim that they decrease digital eye strain, help prevent eye disease, and improve sleep.web





