Do I need category 4 sunglasses?
Category 4 sunglasses are ideal for snowboarding or skiing activities, as they let in less than 8% of UV light. However, this category is not recommended for use while driving as the lens is too dark to see clearly. Only sunglasses with a filter category of 0-3 are considered safe for driving.
Which sunglasses are best for night driving?
Editor’s Pick: Polarspex HD+ Amber Driving Glasses.
Can you drive with UV400 sunglasses?
It’s also worth remembering that, even inside your car, you’re still at risk of UV ray damage to your eyes. Some car windscreens are designed to block UV rays, although this can vary between different models, so it’s always best to get UV400 protection in your glasses to be safe.
Are Oakley sunglasses category 4?
Oakley Clifden – Prizm Snow Black – Category 4 The lens tint category number for eyewear equates to a percentage of the VLT (Visible Light Transmission) – basically how much light the lens lets through, as follows: Category 0: 80-100% VLT.
Do polarized glasses help night driving?
Although polarized lenses could reduce glare from oncoming traffic, they don’t necessarily help with night driving and could, in fact, do more harm than good. The filter placed on polarized lenses prevents some light from hitting the eye, so it creates a dimmer view when wearing them.
Is UV400 protection good?
‘UV400’ refers to UV rays at the top end of the UV spectrum, up to the 400-nanometre wavelength. Sunglasses with this level of protection block an even wider spectrum than the CE and British Standard models, making them the ultimate protection for your eyes.
What is a Category 4 lens?
Category 4 sunglasses have dark lenses for use in extreme sun conditions where high glare or intense sunlight is experienced. Category 4 lenses let in less than 8% of light – this makes them suitable for activities like skiing, mountain climbing, high altitude hiking and desert trekking.