Lou Tomososki and a friend were attending Marshall High School in Oregon back in 1962. That year the teenagers were witness to a partial solar eclipse that changed both of their lives in just moments.

Lou Tomososki

Both teens suffered permanent damage after looking at the sun for just a few seconds. Lou says he saw flashes of light like from a camera.

His teachers had warned him to use a pinhole projector box, but he didn't listen. Over 50 years later, Lou is sharing his story in hopes of keeping others from making the same mistake.

“We were just doing it for a short time,” the 70-year-old told TODAY. “I have a little blind spot in the center of my right eye.”

Read more at TODAY.