| What type of light is dangerous for your eyes? | | | | retina. |
| Ultraviolet light is dangerous and its negative | | | | Researchers have found that retinal cells exposed |
| effects are well known. It is invisible and cannot | | | | to blue light have a higher loss of mitochondrial |
| be seen. Most sunglasses protect against UV light | | | | activity then cells which have been kept in the |
| as this is the commonly feared. While UV light is | | | | dark for the same amount of time. |
| beneficial to the skin in small doses, where it | | | | There are ways to prevent this however. |
| promotes the production of Vitamin D, in larger | | | | Specially tinted glasses can be used. The same |
| doses it can cause cancer among. It also damages | | | | yellow tint that is used by hunters, professional |
| the structural integrity of the skin, noticeably | | | | drivers and hunters, is capable of preventing the |
| damaging the collagen and leads to an increase in | | | | absorption of blue light. The yellow tint absorbs |
| what is described as age related damage. | | | | the blue light while allowing other light to pass |
| Ultraviolet radiation has been established to cause | | | | through. This allows the glasses to be worn |
| damage to the lenses and can lead to cataracts | | | | without a diminished quality of vision. In fact, |
| and other damaging effects. Both short term | | | | many persons who are not concerned about |
| exposure to UV light as well as long term | | | | damage to their eyes wear these glasses solely |
| exposure can lead to severe damage to the | | | | for the purpose of increased clarity and visual |
| cornea, retina and other parts of the eye. | | | | perception. They may be worn indoors and in the |
| There is a second type of light which is just as | | | | evening as the amount of light is not diminished, |
| dangerous, however, unlike ultraviolet light, it can | | | | only the color blue. |
| be seen. It is blue light that can lead to a specific | | | | The actual color of the lenses need not |
| and very dangerous problem known as Macular | | | | necessarily be yellow. Amber, yellow, and plum |
| degeneration. This occurs when damage to the | | | | are all colors that will prevent blue light from |
| macula region of the retina causes a drastic loss | | | | harming your eye. Be sure to look for Blue |
| of central vision. Blue light, and also Violet light, are | | | | Blockers, as this is how they are signified. |
| the highest frequency of the visible spectrum. | | | | The other factor to consider, is coverage. Light |
| High levels of exposure to Blue light cause | | | | does not only come into the eye from in front of |
| irreparable damage to the human eye. | | | | you. Light can and does enter through the side. |
| Unlike other colors on the visible spectrum, the | | | | Some glasses have thick arms, temple arms, |
| eye cannot handle a significant amounts of blue | | | | which are designed to prevent light. Others have |
| light and can be overloaded. When the eye | | | | extended the lens itself. Be sure that whatever |
| becomes overloaded with blue light there is an | | | | style you choose it is capable of preventing light |
| increased risk for oxidative stress as well as | | | | from entering though the side. |
| damaging structural effects on the cornea and | | | | More on eye care. |