PhotoChromic Blue Block Lenses
PhotoChromic BlueBlock Lenses
Photochromic Blue Block lenses are advanced eyeglass lenses that combine two major technologies—photochromic (light-adaptive) properties and blue light blocking capability.
Photochromic Functionality
These lenses automatically adjust their darkness in response to UV exposure. Indoors, they remain clear, while outdoors in sunlight they darken to function like sunglasses, providing full UV protection. This makes them highly convenient for users moving between different lighting environments, eliminating the need for separate prescription sunglasses.
Blue Light Blocking
In addition to their light-adaptive property, Blue Block lenses are specifically designed to filter blue-violet light (High Energy Visible or HEV light), a portion of the light spectrum emitted by digital devices (like computers, smartphones, and tablets) as well as by the sun. Overexposure to HEV light may contribute to eye strain, headaches, and potential long-term damage.
Benefits of PhotoChromic BlueBlock Lenses
- Provide all-in-one protection against.
- Harmful UV rays (up to 100% UVA and UVB protection)
- Blue light from both natural (sunlight) and artificial (screens) sources
- Reduce glare and eye fatigue associated with digital device use
- Offer visual comfort and adaptability for day-to-night and indoor-outdoor transitions
Available in various prescriptions, lens materials, and are compatible with anti-reflective coatings for optimum clarity and comfort.
Premium products like ZEISS PhotoFusion X now offer enhanced blue light protection—blocking up to 50% of harmful blue light indoors and up to 94% outdoors when fully tinted. These lenses respond even faster and are made with modern materials for improved user experience.
Photochromic Blue Block lenses are thus an excellent option for people who spend a lot of time outdoors, regularly use digital devices, or want the convenience of protection from both sunlight and blue light in a single pair of glasses.
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