Just how Sun Protection Factor (SPF) measures protection for the skin, the GBLF scale measures lens protection for the eye. The higher the number, the better.
GUNNAR blue light glasses address all short and long-term side effects of digital eye strain, including: headaches, dry eyes, blurry vision, glare, negative effects of artificial blue light, eye strain and fatigue. The result – improved clarity, focus and performance.
GUNNAR lens tints offer a superior Blue Light Protection Factor to filter harmful blue light emitted from digital screens on phones, computers and tablets.
GUNNAR is the only patented gaming and computer eyewear recommended by doctors to protect and enhance your vision.
Simply put, GUNNAR’s patented lens technology, GUNNAR-Focus +0.20, aids natural focusing power to provide sharper, clearer vision.
Alternatively, to see digital screens naturally while protecting your eyes, go Natural +0.