Photochromic Bifocal Reading Glasses Photochromic Transition Bifocal Reading Glasses Rimless Bifocal Reading Glasses Rimless Bifocal Reading Glasses Aviator Bifocal Reading Sunglasses Aviator Photochromic Progressive Multifocal Reading Glasses Blue Light Blocking ✓ ✓ ✓ ✓ ✓ ✓ Anti UV400 Ray ✓ ✓ ✓ ✓ ✓ ✓ Anti Glare ✓ ✓ ✓ ✓ ✓ ✓ Bifocal Yes Yes Yes Yes Yes No photochromic Yes Yes No No NO Yes Lens Material Resin Resin Resin Resin Resin Resin Frame Material Metal TR90 Plastic TR90 Metal TR90 Target Gender Unisex Unisex Unisex Unisex Unisex Unisex Photochromic Lenses-Lens become darker when light become brighter Photochromic Reading glasses Lenses are clear when indoors or at night and automatically darken to a sunglasses tint when exposed to UV sunlight. Lenses will begin to clear as soon as they are away from UV sunlight, and will be noticeably lighter and mostly clear within a few minutes. They absorb UV radiation that can otherwise damage your eyes. They are an excellent solution for people who hate constantly switching between their reading glasses and their shades. The lenses of photochromic glasses change tint depending on the weather or environment. The benefit of photochromic lenses is that they brighten up in dim, cloudy, or darker environments like running or biking through the woods or morning/evening. But in bright, sunny conditions, they dim. Photochromic lenses are most popular with cyclists, runners, skiers, tennis and outdoor reading enthusiasts. What is Progressive Multifocus Reading Glasses? Progressive multifocus reading glasses are used to correct the problem of presbyopia in middle-aged and elderly people. The realization of the long-range, medium-distance and close-range spatial visual functions under central gaze conditions ,we change the curvature of the lens from top to bottom, adding positive diopter, which result in the effect of visual correction. It means you can wear the glasses anytime and anywhere like optical glasses. Tips : As the two sides of the lens is astigmatism disorder district, you need to turn around the head and eyes in order to see objects on your both sides clearly. If you squint these areas may cause distortion of your line of sight,you will feel discomfort. It may be a little uncomfortable to start wearing. For the first three days after receiving the glasses, try to wear them no more than an hour a day. From the fourth day to the seventh day, you can wear glasses for more than an hour every day according to the situation, and on the eighth day, you can wear as many glasses as you want. Blue Light Blocking Test Long time exposure to blue light would lead to digital eye fatigue. Wearing your blue light glasses, no more tired eyes. Reduce eye strain and sensitivity to light when facing digital screens. Great for office workers or anyone who has to look at screen all day. WHY DO WE NEED TO FILTER BLUE LIGHT? Most of blue light emitting from digital screens(computers,laptops,smart phones and so on) does harm to our lives. Light Adaptive Lenses fit every lifestyle and every age. Not only do they adjust from fully clear indoors to the perfect tint outdoors, but they also block dangerous sunlight and filter Harmful Blue Light, which can be found outdoors and from digital devices. High Quality Material The aspherical lens made of wear-resistant, transparent and clear, high quality material offers you a good reading experience. The standard distance of the pupils and the exact magnification to ensure that the wearing does not become dizzy, can effectively support the reading of the glasses. Titanium super lightweight frame provides all day comfort,Unisex, fashion forward, and one size fits all,rimless frame makes you look in fashion Comfortable Reading Glasses/Sunglasses Multi-focus intelligent zoom reading glasses, anti-stun, wide field of view, fast color change, is a true progressive reading glasses, can replace the automatic zoom lens according to your visual needs. Photochromic lenses protect the eyes from UV and ambient temperatures. Under UV light, the lens turns into sunglasses, preventing UV rays from entering the human eye, preventing glare and providing full protection. Advantages/Suitable for Different Scenarios The electronic products that people use every day, such as computers, smartphones, tablets, and TV LED displays, will send out a lot of blue light. With the popularity of these electronic product, everyone's chance to contact blue light is increasing draMPATically.Therefore, a pair of anti blue light glasses is necessary. No more need to change glasses when peple who wants to look far, midlle, near area inside or outside. This phochromic progressive multifocal reading glasses bring you conveninece for working, playing, reading, driving, studying and so on. It is not just another pair of reading glasses, but also can be used a pair of photochomic sunglasses. The photochromic lenses are based on the intensity of sunlight and ultraviolet lights, darkening the light grey lens. What's more, these glasses can protect eyes without interfering with your perception of colour. Asymptotic multifocal glasses are the upper optical area of the lens used to look far and the lower optical area used to look near. The degree of the middle gradually change, which used to look at the intermediate area. Multi-focus intelligent zoom reading glasses, anti-stun, wide field of view, fast color change, is a true progressive reading glasses, can replace the automatic zoom lens according to your visual needs.Flexible Rimless Memory Titanium Metal Frame. Distanced Viewing Region: Suitable for driving and walking and other long distance viewing need. Transition Region: Best for computer work use or help you adapt the changes in glasses degree. Strong Magnification Region: Best for reading and writing,using cell phone.