We expect a lot from our eyes, and the additional burden of glare can cause the eyes to strain in order to see well. Wearing quality sunglasses can reduce or eliminate this strain, help cut the impact of harsh glare and eliminate the need to squint.

While most people may appreciate the importance of using sunscreen to protect their skin against the effects of sunlight, not everyone is so careful about choosing sunglasses.

Some of the sun's rays can be damaging, while others affect how comfortably or well we see. Of particular concern are visible rays and invisible ultraviolet radiation (UV) and infrared rays. Quality lenses are designed to filter out these damaging and vision-distorting parts of sunlight for optimum safety and clarity.

High quality designer brand sunglasses feature optically correct lenses and provide UV protection. A person looking through non-optically correct lenses may have to refocus due to distortion - which could eventually lead to headaches, dizziness or nausea. The use of optically correct lenses can help to prevent these problems.

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