Uv And Hev Rays And Choosing Sunglasses That Block Them

Most quality sunglasses of today have the ability to block virtually all of the harmful ultraviolet rays that the sun emits at peak times of the day

. Many researchers now believe rays in the air at UV range can also cause eye damage over time. Having sunglasses that have the HEV technologies to filter out a large portion of this spectrum should be something that individuals need to look at when purchasing sunglasses for this purpose.

Macular degeneration is a condition of the retina that causes a loss of fine detail in your vision. This is a chronic condition and there is no cure at this time. But, keeping the eyes protected(if this is something that is affecting you) with a quality pair of by protective sunglasses will help in keeping the condition down to a minimum. Childrens eyes are particularly susceptible to damage from the UV rays that are emitted today. This is because the eye lenses of a babys eyes are not yet developed with the natural protection that keeps at least some UV light and other reflections from reaching them.

Polarized sunglasses also are designed to reduce the glare from surfaces like water, snow, and glass. They can be extremely useful for sports, driving, and fishing by helping the participant in these activities to see more clearly. These types of lenses can also make activities like driving safer for not just the driver but for anyone else on the road. While they may be somewhat more expensive than conventional sunglasses, some consumers prefer polarized sunglasses because they selectively block out glare, rather than making the whole field of vision dimmer, which can be dangerous in some situations.

Light in general has many interesting properties, especially when it is in a reflective state. There are sunglasses made today that have what is called polarization embedded in the lens during fabrication. Mainly, a light source will produce light waves that go in every different direction. This could be called glare also and it makes vision difficult because of the light bouncing off of other objects. One thing to make sure when purchasing sunglasses is what manufacturers put in the lenses to keep the eye protected from these harmful elements. Eye doctors recommend that there be 100% polarization used, which is usually put in glass lenses that are made for the protection of your eyes and the area around them. Having a filter that has the properties to block these harmful rays will have you seeing clearly for many years to come.

by: Phoenix Delray

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