The crucial purpose of your sunglasses is to protect your eyes from harmful UV rays. Sunglasses without UV protection and poor tinting will put more UV rays into sunglasses and lull the pupil into dilating, which may cause sun blindness, premature aging of eyes and may cause eye surgeries. Normal quality sunglasses do reduce the harmful glare, but still cause strain to your eyes. Are polarized sunglasses better? Well, polarized sunglasses not only reduce such harmful effects, they allow you to adore the details of nature. These polarized prescription sunglasses enhance your visibility and are quite popular among the people for outdoor activities like fishing, cycling, driving, running, golf etc.
Polarized sunglasses are priced higher than non-polarized sunglasses, and you need to be careful before buying them. Retailers may claim their sunglasses to be polarized but you may end up buying fake knockoffs. Fake sunglasses are not only illegally imported but also, they are not FDA approved for UV protection testing. Before buying any of the glasses make sure your eye specialist prescribed you one under State and Federal law, they have warranty card and certificate of authenticity, if you are planning to buy it online then prefer the authorized dealers. Many companies have their online website as retail outlets.
How to spot polarized sunglasses?
If you are wondering how to know if your sunglasses are polarized try http://lensrage.com This guide will help you differentiate between best polarized sunglasses vs non-polarized glasses.
Check your LED screen
While buying polarized sunglasses at retail shop, put out your mobile and turn the brightness to its maximum to see clear. Now, place the mobile in front of the lens of sunglass and tilt it 60 to 90 degree angle. If the screen goes dark or completely blank out, it means that sunglass is polarized. If there is no effect then sunglasses are not polarized.
Check for test sticker
If your sunglasses are new, find the test sticker or tag attached with the lens. Rotate the lens to a 60 degree angle if the tag gets darker, then your glasses are polarized. Sometimes, retailers give you the grey strip. If you rotate your lens it will the strip will reveal an image which means the glasses are polarized.
Check for reflective object or surface
Stand in front of the light reflecting object or surface and hold your glasses so that you are seeing the surface through one of the lenses. Rotate the glasses 60 to 90 degree angle, if the glare or haze diminishes the glasses are polarized. If you see the surface without glasses it will strain your eyes.
Compare two sunglasses
Hold two pair of glasses that you need to compare. Hold them in such a way that they overlap each other in front of the light. Now, look through the two pairs at the same time by holding one pair steady and rotating one pair at 60 degree angle. If both pairs of glasses are polarized, the overlapping lenses will become darker which means both the glasses are polarized. If not, at least one pair is not polarized.
Spot the fish
Wear any ordinary sunglasses and look into lake or fishing pond. It will reduce the intensity of light and darkens the picture. Now, wear polarized sunglasses and assess the water again, it will appear transparent and you will be able to see underwater fishes and elements clearly. Polarized sunglasses are the best fishing sunglasses for men and women available today.
Try performing above tests before buying any sunglasses to check for polarized lenses. Avoid the purchase of cheap polarized glasses. The quality will not be up to the mark it may wear off and protection will not be guaranteed.