How Infrared Light Can Boost Vision Without Ever Touching Your Eyes
A groundbreaking new study published July 8, 2025 reveals that near‑infrared (NIR) light, specifically 850 nm, can penetrate the human torso (even...
Light Shapes Everything.
Learn How to Use It.
Interview With Dr. Alexander Wunsch on Sunlight, Evolution, and UV Protection
In this follow-up conversation, Dr. Wunsch explores how early human exposure to forest-filtered l...
MAHA Reports on Light and Human Health: Why Sleep Starts With Sunlight
A new report from the MAHA initiative, chaired by Robert F. Kennedy, Jr., now serving as Secretar...
International Sunglasses Day – Eye Protection or Disruption of Light Adaptation?
Last week’s International Sunglasses Day serves as a timely reminder to consi...
Interview With Dr. Alexander Wunsch On International Day of Light
Light is one of the most important, yet misunderstood, drivers of your health...
Ra Optics Is Now HSA/FSA Eligible
Starting today, eligible U.S. customers can now purchase Ra Optics using thei...
BlueSync—The World’s First Performance Enhancing Eyewear
Developed in collaboration with the world’s leading expert in photobiology, B...
Welcome the Winter Solstice!
Today is a special day in the Northern Hemisphere: The Winter Solstice. This...
Ra Optics Holiday Style Guide: Where Science Meets Style
Welcome to Ra Optics, where science meets style in the world of eyewear. T...