Some people love to stare at the Zenith Labs Vision 20 Review sun while they play or go outdoors. Doing so can lead to very serious outcome. Some people have suffered from permanent blindness as a result. This is because harmful rays can be absorbed by eyes directly. In addition to UV rays, blue light is harmful radiation for eyes. It can cause very serious vision problems, like AMD, age-related macular degeneration. Blue light can cause great damage to retina and many people have suffered from retinal problems as a result.
Therefore, it is urgently needed for people to protect their eyes with certain vision protective eye wear. For example, sunglasses are nice alternatives. Great achievements are now made on contact lenses, which become some of the most popular and preferred products among many sufferers of certain vision errors.
Especially, those lenses offering great moisture and oxygen for eyes become the first alternatives of many people. And some of those special lenses are usually made from some of the most advanced materials in the field, namely, silicone hydrogel. Focus Night and Day lenses are just good examples of these latest and special contact lenses in the field.
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