Meet a musical talent unlike any other: eight-year-old Rex Lewis-Clack. His musical ability is phenomenal, but so is his spirit. He is blind and lives with severe mental impairment. Discover the remarkable gifts of this remarkable young savant. Lesley Stahl reports.

The gift of eyesight is something many of us take for granted, but slowly, silently, your vision can be lost without any warning signs until it's too late. Glaucoma is an eye disease that gradually steals sight with few if any symptoms, and for African Americans, it is the leading cause of vision loss. Glaucoma can be treated if caught in time, but once vision is lost, restoration is impossible. In this program, we take a look at warning signs and risk factors.

Age-related macular degeneration is becoming an all too common condition that is devastating to the quality of life of its victims. Those suffering from it lose sight in the center of their field of vision, often losing the ability to read, drive, or even recognize faces. However, this program illustrates that with the help of preventative measures, new technology, and adjustments to daily living, this diagnosis does not have to be a sentence to life without vision.

The eyes are known as the "windows to our souls." Our eyes not only process the sights around us, they project our emotions and silently, yet powerfully communicate them to the world. So, when our eyes are diseased, it not only impacts our ability to see, but can also severely interfere with the quality of our lives. In this program, we'll show you how to protect your eyes.