What is Vlt in Sunglasses
VLT, or visible light transmission, refers to how much light is able to pass through a pair of sunglasses. A higher VLT means more light is able to pass through, making the glasses better for lower light conditions. Conversely, a lower VLT means less light is able to pass through, making the glasses better for brighter conditions. Understanding VLT is important when choosing the right pair of sunglasses for your needs.