Optify presents anti glare and photochromatic . Antiglare protects eye from digital screens like computer laptop pc and photochromatic gets lenses dark when you go out in sunlight ( helpful in summer ) and uv protection .other name is changer or day-night + anti glare .Ordinary Sunglasses (hazards at night) - Because the color of lenses is a fixed black layer- it can filter strong light to some extent during the day. But at night or in the tunnel- because the color of the lenses is fixed black- the surrounding environment becomes darker after wearing. The objects can not be seen clearly- the visual distance is reduced- and the burden of the eyes is aggravated. What is more serious is that when encountering strong lights- the eyes can directly look at the high beam- but apart from being able to see the high light- the surrounding environment will become darker and even unable to see the surrounding environment. A serious safety hazard. Aramoda presents Intelligent light perception technology: Photochromic lenses- which are photosensitive- darken when struck by UV light. provide improved comfort and protection against bright light. 100% UV400 Protection and 100% Polarized lens filter out over 90% harmful rays- reduce high-intansity glare from oncoming car and street light- soften harsh light- enhance and expand you vision at night. Beautiful Wayfarer decent frame.High Elasticity- and Durable- flexible arms to fit different face.Both men and women are suitable for use For the weather- sunny- cloudy- rainy- haze- snow and other weather Suitable for the environment- day or night driving- cycling- climbing- fishing- travel and other outdoor activities. Antiglare Coating gives Protection while Driving in night and from Digital Screens .Product Description