The UVEX Blue light blocking computer glasses orange lens are designed patented 'Spectrum Control Technology' to help absorb more than 98% of blue light emitted from your televisions, computers, iPads or smartphone. These glasses block blue light and reduces eye fatigue, glare from computer screens, relieve digital eyestrain, helps you focus, lessens the chances of inhibiting vision or eye problems such as cataracts, insomnia and age-related macular degeneration (AMD).
Use them an hour or three hours before your ideal bedtime to feel the difference.