Badical 3002BB Fit-Over Sun Glasses OTG Blue Light Blocking Extra Large XL

Blue light blocking OTG (Over The Glasses) semi-rimless safety sunglasses that fit over most prescription eye glasses - an extremely cost effective way for spectacle wearers to obtain protection from the sun and the elements. Solid one piece lens with UV400 filters for maximum protection and side vents to minimise fogging, options available for all day and night use.

Use yellow lens during the day when exposed to artificial light from digital devices or office lighting.

Use amber lens in the evening after sunset or a few hours before bed to improve sleep quality.

Use red lens at night or before bed to maximise sleep quality and health.

Will fit over most spectacles up to 155mm across the temples, maximum 54mm lens height, EXTRA LARGE size.

Frame: opaque amber, red or yellow; flexible curved arm ends for comfort; side vents to maximise air flow across the lens and minimise fogging.

Lens: non-polarised uni-lens with anti scratch coating; rimless along the bottom; shatterproof polycarbonate; UV400 blocking; day time yellow lens filters 100% of blue light at 425 nm, visible light transmittance 81%; evening amber lens filters 89% of blue light at 425 nm, visible light transmittance 78%; night-time red lens filters 79% of blue light at 425 nm, visible light transmittance 35%.

Labelling: CE and EN166-F marks on inside arm; standards compliance tag.

Pouch: Comes with a FREE microfibre soft pouch, worth £1.97, which doubles as a cleaning cloth.

Approximate Measurements: 157 mm across temples, 55 mm maximum lens height, 117 mm arm/temple length.

They comply with ISO 12312-1:2013+A1:2015 and block 100% UVA/UVB rays meeting ANSI Z80.3 UV General Purpose Protection Standards. UV filter categories 1 (amber/yellow) or 2 (red).