Sunglasses categories: what the number really means

The category of sunglasses doesn't measure the quality of the frame or UV protection. It indicates how much visible light passes through the lenses. A higher category lets less light through and therefore usually corresponds to a darker lens. The choice should be adapted to the environment: sunglasses appropriate for walking in […]
Polarized vs. non-polarized sunglasses: the difference lies in the reflections

Imagine a road after it's rained. The sun shines on the asphalt, creating a bright band that makes it hard to see what's ahead. Now think of the sea at midday. The surface reflects the light, forcing you to squint. It's in situations like these that polarized lenses make their main difference. Their […]