How to choose sunglasses for driving

13/03/2019

*A collaborative post

Most of us are enjoying the sunshine at the moment, but things can soon take a sour turn if you cannot see when you are driving. You may not be aware of it, but there are a number of styles of sunglasses that are not suitable to wear while you are behind the wheel. Some sunglasses impair visibility because they do not enable enough light to enter the eyes. Others have a type of lens colour that has a negative impact on the spectrum. With that in mind, read on to find out more about choosing sunglasses for driving.

Do darkening glasses work?

The tint density is an important factor to consider when choosing sunglasses. Tint density is rated on a scale of 0-4, and this has an impact on how much light reaches your eyes. You may be considering two pairs of sunglasses that have grey lenses. However, it is important to note that, if their density rating differs, they won’t block the same level of light. Let’s take a look at the density rating in further detail…

  • Class 4 – Class 4 is designed for exceptionally bright sunlight. These sunglasses should not be used for driving in any conditions.
  • Class 3 – Class 3 sunglasses are for bright sunlight. Do not wear these for not driving.
  • Class 2 – Class 2 sunglasses are for medium sunlight, and they are not suitable for not driving.
  • Class 1 – Class 1 sunglasses are ideal for low sunlight, but, again, they should not be used if you are driving at night.
  • Class 0 – Class 0 sunglasses are for overcast days or use indoors, and there are no limitations.

One thing that is important to note is that variable lenses, otherwise known as photochromic lenses, are not suitable for in-car use. These are lenses that see tint density alter based on the degree of exposure to UV light.

Lens colour

The colour of the lenses you choose when buying cheap prescription glasses will also impact your visibility. It affects the degree of visual contract experience, how well a person can view certain colours, and how much visible light reaches the eyes. Scientific research shows you should not wear green, blue, or pink lenses when driving. Brown and grey sunglasses are the best for driving. This is because they are colour-neutral. This means that the way in which colours appear are not altered when the glasses are worn.

Frame style

The frame style also needs to be considered carefully. You need to ensure that it does not compromise your peripheral vision when going on a road trip. If you are wearing sunglasses that are too big, it is easy to miss hazards because they will no longer be directly in view.

If you consider the points mentioned above, you should find it a lot easier to choose the sunglasses for you when driving. It is always better to be cautious and make a well-researched decision, as opposed to risking it and wearing sunglasses that are not appropriate for driving.

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