We have so much more on the singer from the black eyes peas. Chris connelly was there for every emotional step. Reporter: As a member of the black eyed peas, 37-year-old apple has rocked a million... See More
We have so much more on the singer from the black eyes peas. Chris connelly was there for every emotional step. Reporter: As a member of the black eyed peas, 37-year-old apple has rocked a million faces. ♪ Into the future cyber reason to harder faster better stronger ♪ Reporter: Buzz hasn't seen them at all. Up on stage, what with you see? About like the first five rows. Reporter: What can you see of the other guys on stage with you? Pretty much the body shape. I can't see the facial details. I don't have any contacts or nothing. You're like a shape to me. Reporter: Since birth, he's suffered from vibrating eyeballs that distort his vision. Along with his near sightedness make him legally blind. It's incredible to think you can get on stage and do the things you can do. I think I do a lot of measurements in my head. I have the picture in the middle. When I'm break dancing, i picture that square in my head. And I just go for it. I'm going to have you come on forward. Reporter: Today, he's moments away from an operation he's been told will totally transform his eyesig eyesight. Dr. Waxler from beverly hills says an implant of an artificial lens will help him. The glasses are stationary. His eyes are moving. With this lens now inside his eye, when his eyes move, the lenses move with it. Reporter: How do you feel right now? I feel nervous. Anxious. And excited at the same time. Reporter: Is your mother here today with you? Yeah. Reporter: What will it will like to see her face after this operation? If I can see her more than ten feet away, it will be the happiest day of my life. Reporter: The operation lasts about 40 minutes. He inserts the lenses one at a time. He's awake throughout. It's fuzzy. Is that how it's supposed to be? Yeah, that's normal. Reporter: He leaves the operating room and hugs his joyful mother. How does the word look? Great. I felt a little pressure. Not as scary as I thought. It was easy. Reporter: As the moments pass in the doctor's office, she's startled by the changes. The fuzziness has gone away. Reporter: One week later, he's excited to report what he can see. I can see almost 100 feet away. Before, I couldn't see that. The doctor says lit get better. I'm still getting ready for the lenses inside my eyes. Reporter: For "good morning america," chris connelly, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.