For those who are struggling with their eyesight, there is a wide variety of options in terms of which glasses to get. Today we are going to look in particular at one certain type of glasses called polarized glasses. Each type of lenses that can be purchased will support varying types of failing eyesight and what works for one person may not work for another. With this in mind then, let’s take a look at what polarized glasses are, and who needs them the most.
The Basics of Polarized Glasses
These lenses are designed so that they will prevent the glare of light from hitting your straight in the eye. We have a vision in the first place because the eye perceives rays of light that reflect from any object. What would normally happen to this light is that it scatters somewhat, because of uneven surfaces and the fact that the light is bouncing off other objects. This is why when we see the sun reflect off the snow it can be so dangerous because the light doesn’t scatter before it hits the eye. With polarized glasses there is a special coating on the lens which prevents this light from being so pure, filtering the light before it enters the eye.
Who Should be Using Polarized Glasses?
Those who will benefit most from using these types of lenses are those who spend a great deal of time outdoors. The glare of the sun, whether we recognize it or not, can be very damaging to the eyes over a long period of time. The polarized glasses can greatly help to protect the eyes from those harmful rays from the sun. What many people do not realize is that even if the weather is overcast and cloudy, the sun’s rays do still breakthrough and can cause damage to the eyes and the skin.
Benefits and Disadvantages
The advantages of polarized lenses are of course that they provide great cover for the eyes with regards to the sun, and they are also well priced and they are slick in terms of the size of the lens. Because of the fact that the lens just has a thin coating of chemical on it, there is no need for bulky lenses.
There are some disadvantages to this type of lens which you ought to bear in mind if you are considering using polarized lenses. For example, these lenses don’t work very well when looking at LCD screens and they are also problematic if you are driving at night or operating in low light situations.
In the main however these lenses are absolutely ideal for anyone who has eyes which are sensitive to light or for people who are looking at getting some sunglasses which really do a good job in terms of reducing the damage which the sun’s rays can cause.
If you are finding the light difficult or you work outside a lot, these could be the perfect glasses for you.
