Posts Tagged ‘ultraviolet rays’
The Best Prescription Sunglasses
Prescription sunglasses, have you heard about it? As for me, it is the greatest eyewear I’d ever heard. Prescription sunglasses is a great combination of sunglasses and eyeglasses. It gives the protection to your eyes like your usual sunglasses do plus an eyeglasses that gives help for those who are suffering from myopia, hyperopia or astigmatism, so amazing eyewear, right?
Most people I know wear sunglasses for fashion sake. Sunglasses main purpose is for protection of our eyes and fashion is just a secondary reason to protection. This eyewear could help your eyes by blocking the glare thus, reducing eye stress. Sunglasses can give good protection too from harmful ultraviolet rays of the sun that could result to premature wrinkle formation, reduce your chance from developing cataract, and could prevent you from developing age-related macular degenation or AMD. Ask the sales person or the manufacturer how much ultraviolet radiation or UV radiation the eyewear blocks if it is not provided in tags of the sunglasses because sunglasses does not give same protection level against ultraviolet rays to your eyes.
How will the person enjoy the protection sunglasses could offer if the person has an eye problem life myopia (shortsightedness or nearsightedness), hyperopia (hypermetropia, farsightedness or longsightedness), and astigmatism? They could appreciate wearing a sunglasses if it the role of their eyeglasses are incorporated or fused to sunglasses as what the best prescription sunglasses do, right? It would be much more amazing if there are lots of colors and designs to choose from for the quality prescription suglasses in the store you want to buy it, right? So, better choose wisely where to purchase your needed eyewear.
For those who are suffering from myopia, hyperopia and astigmatism that have not enjoyed yet the protection of a sunglasses, better consult your eye doctor about the best prescription sunglasses for you.
Importance of Sun Protection Against Harmful Effects Of The Sun
Summertime is getting near. It is the most awaited time of school kids, not just because of their freedom from pressures on their studies but they have lots of time to play and do some activities. As I have noticed, people of all ages love to spend their summer doing outdoor activities. Kite flying, camping, hiking, biking and spending time on the beach are just some of most family’s summer ideas. We know that sun exposure is unavoidable doing outdoor activities. As early as this time, knowing the importance of sun protection to your family’s health is one of the best preparations you can do.
Sun protection is simply guarding your body from harmful effects of sunlight. Aside from the risk that heat may cause to your body, the sun poses the dangers of sunburn, which can permanently damage the skin and cause skin cancer, precancerous changes in the skin, as well as premature wrinkles and signs of aging. Exposure to ultraviolet rays from the sun is an identified risk factor for the development of both melanomas and non-melanoma skin cancers. Thus, sun protection at any age is important to avoid the short-term as well as long-term damaging effects of sunlight.
How does the sun burn the skin? Ultraviolet rays from the sun penetrate your skin. At first there’s an initial red glow due to widening of your small blood vessels that leads to increase in the volume of blood flowing to your skin. Then, as the ultraviolet radiation penetrates the surface of your skin, cells from several layers down increase melanin(skin pigment) production. The pigments then moves to the upper most layers of your skin and darkens it. In general, fair skin burns more quickly than darker skin.
Almost everyone is prone, to some degree, to sun’s ultraviolet rays. Your natural skin types, that is determined by the amount of melanin, is the major determining factor. The darker your natural skin color is, the more melanin and natural protection you have. However take note of this, even the darkest skinned people can burn with sufficient exposure to sun.
How will you protect your whole family from harmful effects of the sun? Here’s a simple tip:
Avoid direct sunlight. Do remember that the sun’s rays are strongest between 10 A.M. and 4 P.M. Thus, if possible avoid being in the sun on that time unless necessary.
Wear protective clothing. Wear hat, sunglasses and appropriate clothing with 100% protection against UV radiation. Light colored shirts are advisable.
Use a protective sunscreen to minimize the penetration of the sun’s ultraviolet rays. Generously apply and reapply sunscreen to all exposed skin with an SPF that protects you from ultraviolet A and ultraviolet B sun rays.
Reflective surfaces. Be aware that water, sand, cement and any reflective surfaces may increase exposure to ultraviolet lights significantly.
Look for shade. Stay under a tree, or use an umbrella. Remember the shadow rule when in the sun: Watch Your Shadow. No Shadow, Seek Shade!
Know the day’s UV index.



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