You wake up, reach for your glasses on the bedside table, and put them on before your feet touch the floor. That is exactly how most eye care professionals recommend treating your...
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PC lens is also called “space lens”, “universe lens”.Its chemical name is polycarbonate which is a thermoplastic material (the raw material is solid, after heated and molded into the lens,it is also solid), so this kind of lens product will be deformed when heated too much, not suitable for high humidity and heat occasions. PC lenses have a strong toughness, are not broken (2cm can be used for bulletproof glass), so it is also known as safety lenses. With a specific gravity of just 2 grams per cubic centimeter, it is the lightest material currently used for lens. The weight is 37% lighter than ordinary resin lens, and the impact resistance is 12 times that much an ordinary resin lens!
You wake up, reach for your glasses on the bedside table, and put them on before your feet touch the floor. That is exactly how most eye care professionals recommend treating your...
READ MOREWhat Is Presbyopia and Why Do You Need Multifocal Lenses? Picture this: you are holding a restaurant menu at arm's length, squinting at the print, or you just bumped your phone's ...
READ MOREYou are past 40, and something has changed. The menu at your favorite restaurant suddenly seems dimmer. The phone you once read easily now has to be held at arm's length. After a ...
READ MOREIf you are over 45 and have started holding menus and text messages farther from your eyes to read them, you have probably heard that progressive lenses are the modern fix for pres...
READ MOREWhat Is a Progressive Lens in Eyeglasses? You are reading this because near vision has started to feel unreliable, or because someone told you that progressive lenses are the mode...
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