Sunglasses Demos

VLT

VLT or visible light transmission is the light that passes through the lens to reach your eye. For example, a dark tinted lens will have a low percentage of VLT, while a light tinted lens will have a higher percentage of VLT.

FILTER CATEGORIES

Category 0

Light transmission 80-100% • Clear or very light tint. Typically sports or protective glasses designed to guard against wind, dust, or debris, but not against the sun.

Category 1

Light transmission 43 - 80% • Very lightly tinted lenses, usually yellow or orange, suitable for lower sunlight conditions or protection against wind or dust.

Category 2

Light transmission 18 - 43% • Medium dark filter suitable for moderate sunlight and casual wear. Their tint is slightly lighter than usual. Can be used for spring and autumn walks on sunny days. They will also be useful for driving and moving frequently between shade and sunlight.

Category 3

Light transmission 8 - 18% • Dark filter suitable for intense sunlight on the beach or in the city. This category is typical for most types of sunglasses. They are perfect for summer as they provide a higher level of protection against sunlight than the previous category.

Category 4

Light transmission 3 - 8% • Very dark filter for extremely intense sunlight. Sunglasses for the mountains or deserts and anywhere the sun is not only extremely strong, but also reflects a lot. These sunglasses cannot be used for driving.