Lens index tells how thick or thin your lenses would be. Also known as the index of refraction or refractive index, it is measured by numbers and describes how efficiently a material bends light.
Category Archives: Lenses
Everything You Need to Know About Gradient Sunglasses
As their name suggests, the tint in gradient sunglasses recedes from top to bottom, so the top of the lenses are darkest, gradually receding until there is no tint at the bottom. Gradient lenses, therefore, offer the best of both worlds: complete clarity of vision and protection from the harmful UV rays from above.
UV400 protection
High exposure to ultraviolet (UV) rays emitted by the sun can be harmful to your skin and eyes. Plus, quite often these UV rays can reflect off surfaces such as water and buildings on cloudy days.
UV Protection Sunglasses – How Different Protection Categories Work
All you need to know about different sunglasses UV protection categories. Choose yours based on your needs and lifestyle!
Do Sunglasses Lenses Deteriorate With Time?
If you’re wondering whether sunglasses lenses deteriorate over time, the answer is (somewhat unhelpfully) yes and no.
How to Test Blue Light Glasses
Discover the different types of blue light glasses and how to test their efficacy at-home.