They are also called "Photochromic Lenses". They are mainly used for light sensitive eyes who needs protection against the harmful UV light. These lenses turns dark with the exposure of specific types of light of sufficient intensity. It is a great alternative for people with high prescriptions who cannot wear sunglasses and need lenses that can change colour depending on the light intensity and provides great comfort to your eyes.
High-Energy Visible (HEV) light or Blue-Light is present in both Indoors (LED lights, Flat Screen TV) and Outdoors (Sunlight). Computer Screen Displays, Electronic Notebooks, Smart Phones and other digital devices emits significant amount of Blue Light. Infact, we are living in a digital world where we spend most of our time in front of these devices. Virtually, all visible blue light passes through the cornea and lens and reach the retina. Selecting lenses such as CRIZAL PREVENCIA may prevent your eyes from harmful blur light, prevent eye strain and compications.
Eyezen lenses are specially designed and enhanced for different levels of screen usage to keep the eyes comfortable and reduce eyestrain. Eyezen lenses have turned out to be a great product for someone who spends significant amount of time in front of computer, phone or any other digital device and for someone who perform a lot of near work. The more time we spend working on computers, the harder the eyes are working which can induce the feeling of tired irritated eyes, headaches and neck pain. A simple solution to such problems is to choose Eyezen Lenses for your vision.
Varilux Digitime lenses
If you are in your 40s, you may have found that reading has become more difficult now. No 1 recommendation for Presbyopes who use digital devices or other intermediate tasks such as sitting in front of computer all day, sitting in a board room for presentations on projectors, reading or other precision tasks. Varilux Digitime is personalized for you with the exclusive screen distance measurements to ensure maximum comfort with clear and sharp vision, an enhanced colour contrast and wider fields of vision which also gives the natural posture in front of your own computer. These lenses adapt to you and not to the other way around. With Varilux technology, our customers will now enjoy Digitime lenses with Crizal Prevencia coating that will filter the harmful blue-violet light and UV rays emitted by digital screens.