Web-based eyeglass pioneer Warby Parker distributed its 500,000 pair of free glasses this week, and updated its philanthropic mission.

"...Warby Parker has hit a deeply personal milestone–a total 500,000 pairs of glasses distributed through their Buy a Pair, Give a Pair program and an updated Do Good website that places full focus on their charitable aims. The initiative works with companies like VisionSpring to donate one pair of glasses to someone in need for every pair Warby Parker sells. It’s a concept that echoes TOMS’ one-for-one mode, but it adds in an element of sustainability. VisionSpring creates jobs and trains low-income entrepreneurs to start their own businesses." -- Terri Pous, Time.com