Swanwick Crystal Day Premium Blue Light Blocking Glasses -Clear Lens to Block Harmful Blue Light from Gaming PC, Laptop and Smartphone (Sapphire - Regular)

• CONTROL BLUE LIGHT EXPOSURE: Crystal Day Swannies come with modern translucent frames and provide the perfect balance of protection against the most harmful spectrum of blue light (400-450nm), while letting in some of the healthy blue light (450-500nm), which helps regular circadian rhythm and improves alertness and memory function.
• ELIMINATE SYMPTOMS OF DIGITAL EYE STRAIN: Made to be worn all day, everyday, Crystal Day Swannies can help eliminate symptoms of digital eye strain such as dry, sore eyes, irritation and headaches, whenever using a computer, tablet or phone.
• ADJUSTABLE FRAMES: The cellulose acetate frames can be heated up and molded for the perfect custom fit or adjusted if bent out of shape, and the spring hinges provide a wide range of movement for extra comfort and durability.
• HIGH QUALITY LENSES: Our high quality, clear CR-39 lenses come with anti-reflective coatings to provide superior visual clarity while protecting your eyes against harmful blue light.
• 100% SATISFACTION GUARANTEE: We provide a 100% satisfaction guarantee.

Description SWANNIES Blue Light Protection. Be the Best You Can Be. In a study by the University of Washington and Indiana University, people who wore Swannies experienced: 6% Longer Sleep 14% Better Quality Sleep 8% Better Work Engagement 9% Better Task Performance *Guarana, Cristiano & Barnes, Christopher & Ong, Wei. (2020). The effects of blue-light filtration on sleep and work outcomes. Journal of Applied Psychology. WE’VE GOT YOU COVERED FROM SUNUP TO SUNDOWN! DAY SWANNIES Wear when the sun is up. Virtually clear lens for daytime screen time Orange-tinted lens for before-bedtime screen time Allows the “good” blue light in to help regulate the circadian rhythm NIGHT SWANNIES Wear when the sun goes down. Helps signal the body to prepare for sleep Minimal blue light may help with memory and mental alertness Blocking blue light can help you avoid blue-light-related sleep problems WHO WE ARE Blue Light Warriors, Sleep Advocates, Eyewear Experts. We’re the people who help you be the best you can be... Australian-American brothers James and Tristan Swanwick co-founded Swanwick after a lengthy battle with sleepless nights.