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A pair of blue light computer glasses are held in front of a computer screen

Are Blue-Light Blocking Glasses Effective?

Lenses that filter blue light have received a lot of buzz as a remedy for digital eye strain and also for reducing sleep disturbances.

Motion blurred photograph of traffic at in night in the rain on a British motorway

Why Is Your Night Vision Blurry?

Poor night vision can be divided into three categories. Learn what causes vision changes at night – and what can you do about it.

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