He added: "This incident shows how easy it is for magnifying or reflective objects to cause fires, even in winter when we don't think the sun is that strong. "Make sure mirrors or glass or crystal ...

Photokeratitis is often caused by the reflection of the sun off of a surface ... or "UV400" which blocks 99-100% of UV light. Polarized lenses, which can minimize the impact of reflected light.

Blue light is found in nearly every light source, including the sun, and excessive ... Blue-light-blocking glasses work by reflecting those wavelengths away from the lenses to stop them from ...