"How did you become blind, uh, Jeff is it?" is a question directed at Jeff about his blindness. Jeff explains that he looked directly at the sun, ignoring the usual warning not to do so. This careless act led to his blindness, and he reflects on how he wishes he had listened to the advice given to avoid such dangers.
The quote highlights Jeff's regret for not heeding warnings and serves as a reminder about the importance of paying attention to safety advice. It also emphasizes the consequences of reckless behavior and the importance of listening to guidance for personal safety.