Learn How Sunglasses Work

Whenever we speak about sunglasses, we are informed that they are very important in protecting the eyes. They also help to keep the harmful UV rays of the sun from hitting our eyes and the best part is they help to keep your vision in a good state for a long time. However, even though we may be wearing them, we generally do not know how they work. Read on to find out just how your shades help to protect your eyes.

Major Functions
The first thing you need to understand is shades are designed to perform four major functions, other than making you look your best. Obviously, they are designed to provide total protection to your eyes from the dangerous UV rays of the sun. if these UV rays were to impact your eyes directly, they can do some severe damage to your eyes. The lenses on your shades have an outer protective coating that helps to filter out the rays from the sun. even though they let in the rays, they help to keep the radioactive rays away from your eyes.

Protection Against Intense Lights
Second, your sunglasses are your best protection against intense lights. When these intense lights impact your eyes, you need to squint to see. However, squinting does not protect your eyes enough which is why you need shades.

Filters Light
Your shades also have tinted lenses whose main purpose is to decide how much light can enter and hit your eyes. Since lights are of a different type, you need to choose the right lens shade to ensure that the proper amount of light is allowed to enter through the lenses. Thus, black tints offer the maximum amount of protection from intense light and are very popular because of this property.

Protection Against Glare
The third function of a pair of sunglasses is that it protects your eyes against the glare. When light bounces off water or some other shiny surface, the glare can distort your vision by perhaps blocking out other objects. Thus, if there is glare hitting your eyes when you are driving, you may not be able to see a car coming out of a parking lot. The right kind of shades are designed to eliminate the glare and, in this way, improve your vision.

Blocking Certain Light Frequencies
You may or may not know it but light waves are known to vibrate in much the same way as sound waves do. So, when many light waves travel from different directions, there will be a strong glare that can blind your eyes. Sunglasses are designed to block certain light frequencies and, in this way, they can prevent blurred vision. All you need to do is choose the right color for your shades. Yellow and gold, as well as amber and even brown colors, are very good at blocking blue lights. Green tinted shades, on the other hand, can filter some blue lights and will also help to reduce glare. They are also able to provide maximum contrast and hence will ensure sharp vision.

Now that you have an idea about how your sunglasses work, go ahead and choose them. These tips should help you know what is good for you and so, you can shop with confidence knowing that your shades can protect your eyes and also improve your vision at the same time.