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What Are Blue Light Eyeglasses?
Blue light glasses are eyewear designed to block or filter a portion of blue light — a high-energy visible light emitted by digital screens (phones, tablets, computers, TVs) and LED lighting. They use special lens coatings or tints to reduce the amount of blue light reaching your eyes. Purpose:
Reduce screen-related visual discomfort (often called digital eye strain)
Potentially support better sleep when using screens in the evening
Enhance visual comfort during long screen use sessions
Key Highlights & Features to Look For
???? Blue Light Filtration Level
Different lenses block different percentages of blue light (often focusing on 400–450 nm range). Higher % targets sleep-disrupting blue light more effectively.
???? Anti-Glare & Anti-Reflective Coatings
These reduce glare/reflections from screens and overhead lights, making long work or study sessions more comfortable.
???? UV Protection
Many blue-light glasses also include UV protection (UV400), shielding eyes from harmful UVA/UVB rays.
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