【Easy to wear】You can wear heart effect glasses on your eyes, on your head, around your neck, place them on the edge of the hat or even display them as decoration.【Fashionable clothing match】 Fashionable and fashionable sunglasses can be combined with a variety of clothing styles to improve your appearance and temperament, it is your first choice for shopping and self portraits.【Heart Shaped Effects】If you look at the light at night or in a dark place with small and very bright light sources, the heart effect curved glasses will create a special heart effect.To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. You may have trouble looking at certain LCD screens through polarized lenses, however.We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. Since it’s so much nicer to look through polarized lenses, and they’re available on some sunglasses that are as cheap as non-polarized options, there’s no reason to skip this feature. Polarization: All of our picks are polarized, or have the option to add polarization, since polarized lenses eliminate glare and increase contrast, and thus decrease eyestrain.These also offer good contrast in dim or low-light conditions.” Green lenses transmit all color evenly, meaning color perception is even. Amber or brown lenses improve contrast and enhance depth perception. Gray-tinted lenses offer better overall protection and help reduce glare, especially off water and pavement surfaces. But as Ellen Koo, MD, told us, “Different color tints can serve different types of advantages. Lenses: Lens color is primarily a matter of style and preference.In general, we prefer minimal company branding and logos. If you see three numbers there, the first number is the horizontal width of the lens in millimeters. If you’re trying to decide what frames might fit your face, check the inside arm of a pair you already like. Models that offered a variety of color combinations to suit more people’s preferences were great, but we didn’t eliminate glasses that lacked such options. Design: We looked for pairs in a range of styles, to suit different tastes.In our testing, we found that full-metal hinges helped-the hinges made arms easier to fold and unfold-but we considered models that had plastic hinges, too. Build quality: Even cheap sunglasses should feel solidly constructed and be able to withstand your throwing them into a backpack or onto the backseat of a car.Comfort: Although comfort is hard to evaluate because people’s faces and tolerance for glasses vary widely, we sought frames that were lightweight and pleasant to wear for long periods of time on a variety of face shapes and sizes.Some people are willing to take good care of their shades and pay more for style, excellent build quality, or other bonuses, so we also tested some higher-quality pairs, and for those we set our price cap at $70. Value: After speaking to people who tended to break or lose their sunglasses, we decided that a good pair of cheap sunglasses should meet all our other criteria for less than $30.When you shop for sunglasses, always make sure to choose lenses with 99% or 100% UV protection or UV400 labeling (“UV400” means that the glasses block all light rays with wavelengths shorter than 400 nanometers, which is the cutoff for UV light). Goel, MD, told us, when you use lenses without UV protection, you end up allowing more damaging UV rays to enter your eyes than if you were wearing no sunglasses at all, and you leave your eyes vulnerable to a slew of nasty ailments (more on that in the UV protection section).
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