Your question: Is it illegal to drive in category 4 sunglasses?

Filter category 4 lenses only transmit between 3% and 8% of light and are not suitable for driving at any time. Sunglasses with these lenses should, by law, be labelled ‘Not suitable for driving and road use’.

Are sunglasses illegal to drive in?

It is illegal to wear certain types of sunglasses while driving dependent on their strength. Sunglasses are divided into four categories based on how much light they filter out. … But if you have category four sunglasses – which let less than 8% of light through – they are illegal when driving.

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.

What sunglasses are allowed for driving?

The best tints for driving are grey, amber, and copper-tinted lenses because they maintain color distinction. Light green, blue, red, and pink can distort important colors, which are crucial for seeing traffic lights.

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Can you get fined for wearing sunglasses when driving?

The AA says sunglasses are produced in different levels of shades, and if a driver is caught wearing sunglasses which are too dark they could risk a fine, especially if they’re struggling to see clearly or have impaired vision. But people could also be fined if they are not wearing sunglasses while driving.

What are Cat 4 sunglasses?

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.

What are Cat 3 sunglasses?

Category 3 is for strong sunlight and the most common category because almost all brown and grey (or ‘smoke’) lenses are Category 3. Shop leisure style sunglasses. Category 4 is typically a very dark grey or brown lens – ideal in mountains or desert where the sun is intense and there are high glare conditions.

Is UV 400 strong?

Others block 100% of these rays and save your eyes from any harm. The second kind of sunglasses is what we call UV 400 sunglasses. These are capable of blocking both UVA and UVB rays completely.

Can you drive with polarized sunglasses?

Polarized sunglasses are best suited for driving. They help you to see better in glare conditions like bright light and rain.

Are Polarised sunglasses OK for driving?

Polarised lenses are a good choice for drivers because they dramatically reduce glare from headlights and light reflecting off of wet surfaces on the road. This makes for a much more comfortable driving experience by reducing the strain on your eyes and providing UV protection.

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Are Category 2 sunglasses OK?

Sunglasses may also be labelled UV 400 and block at least 95% of UV between 190 and 400nm.


Lens category Description
Lens category 2: General purpose sunglasses These provide good protection against sunglare and good UV protection; they suitable for driving in at night or under dull light conditions.

Can you drive with dark sunglasses?

Sunglasses sold for general use can be too dark for driving in. Plus, fashion frames could obscure your peripheral vision if they aren’t the right style, so it’s best to choose your shades carefully.

Why are some sunglasses not suitable for driving?

Sunglass lenses are made from a variety plastics and glass. Plastic lenses, such as acrylic and polycarbonate, are light and impact resistant and most are naturally UVR-absorbing. … Very dark or highly-coloured lenses may affect your ability to see clearly during activities like driving and recognising traffic lights.