Understanding Light and Sunglasses

Understanding Light and Sunglasses

Understanding Light and Sunglasses Sunglasses protect you from direct, reflected, and ambient light by modifying incoming light so that it matches your eyes. Light, which consists of electromagnetic energy, comes in waves. The shorter the wavelength, the more energy in its wave. Violet light has the most energy of visible light; red has the least. Sunlight is rich in ultraviolet light (UV), which is just above the visible spectrum. Its high energy can damage your cornea and your retina. Direct light goes f...

How Sunglasses Protect Your Eyes

The Functions of Shades!

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