What is the visible light transmission (VLT) of Contrast HEV?

Contrast HEV™ TheraSpecs are available in one tint strength, which filters 10% of light. These lenses are great for gaming, avid screen and computer use, and more, and they are light enough for night driving. 

*TheraSpecs Contrast HEV transmits approximately 90% of all light, making them compliant with traffic laws in most places for night driving. However, users are responsible for ensuring their use complies with all applicable traffic regulations and that road lighting is sufficient for safe use. Always drive responsibly and remain attentive to the road and lighting conditions, traffic signals, and other vehicles.