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Diving at night in the rain
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  • 5 minute read

Understanding Depth Perception

  • July 3, 2019
  • 70.8K views
Have you ever been on the sports field and not been able to fully judge how far away…
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A pair of brown sunglasses on green leaves with red flowers in the corner
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  • 5 minute read

Polarized vs. Non-Polarized Sunglasses

  • July 2, 2019
  • 50.1K views
How polarized lenses vs. non-polarized lenses work? In order to understand polarization, we must first understand light. Light…
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About Felix Gray
Felix Gray’s non-Rx and prescription glasses filter Blue Light and eliminate glare to create a better experience for anyone in front of a screen.
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Featured Posts
  • A chart showing high index and mid index lenses
    What You Need to Know About 1.57 Mid Index Lenses
    • February 24, 2021
  • Two pairs of Felix Gray eyeglasses, two teal glasses cases and clear props
    Can You Wear Blue Light Glasses All Day?
    • February 7, 2021
  • Glasses Prescription Expiration: Details You Need to Know
    • January 28, 2021
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