Shades, they are something everyone takes for granted till that day you forget to bring them to the beach, or you are driving west into nightfall. The little accessories have only been about since the start of the 20 th century, but they became necessary for folks both as a fashion item, and as a visible help. Sun shades are like regular glasses and consist of a frame with 2 lenses within them; these lenses are colored and in a number of cases polarized.

For folks with poor visual acuity, prescription shades are available which magnify while still providing shade from the sun giving a clear and shaded view.

The practical use of sun shades is to shield the eyes of the wearer from ultra violet rays that come from the sun; these UV rays damage the eyes and are that causes cataracts. Many folks are also subject to wearing shades while driving since it is understood to cut the amount of glare and can help with road perception.

It is even rumoured that sunglasses may help the body reply to jet-lag better as it tricks the mind as to what time it is. In favored culture today, sunglasses became a symbol of rank as well as functional. Many stars wear giant shades to cover their complete face from the general public so they can remain unspotted in several places. This trend helped to create a fashion industry for sun shades, and the costs can range anywhere from 5 bucks at a corner store, to 1,000 bucks for a couple of designer brand shades. Without regard for how or why folks decide to wear sunglasses, it is clear that they're here for good. Our eyes became accustomed to the protection they receive from bright lights and glares that are so present in our society.