August 6th, 2024
What Do Sunglasses Categories Mean? Sunglasses Categories Explained
One of the questions we are asked from time to time is what do sunglass lens categories mean. The category number equates to a percentage of the VLT (Visible Light Transmission) that is, how much light the lens lets through. The higher the VLT the lighter the lens, conversely the lower the VLT the darker the tint will be, blocking more light coming through to the eye.
