Blue light filter eyewear blocking classic square computer glasses, protect your eyes for long time watching computers, TV or phones. Anti glare spectacles comfortable against the skin Computer glasses- The anti-blue light & anti-radiation coated lenses are best used for long hours of computer use to reduce symptoms of eyestrain and maintain natural sleep patterns. Lenses: anti-blue lenses Anti blue light Eyewear :Protect your eyes. Blocks 90% of high energy blue light. Relieve eye fatigue caused by longtime use of electronic device. TIPS FOR CLEANING: Use a gentle lens solution. To avoid scratches. Never wipe the lens when they're dry (there may be dust or particles). Use Soft materials such as cleaning cloths, Don't use paper towels or other rough materials.