Jordan Kassalow, OD, MPH, founder of VisionSpring, which supplies low-cost eyeglasses to underserved populations in developing nations, encourages colleagues to become involved in medical missions and volunteer work. He describes the personal and professional rewards of serving people whose lives are dramatically changed, allowing them to become educated, be employed and live full and independent lives. Included in the video are experiences and visuals from field work around the world with VisionSpring (www.visionspring.org).