Optic neuritis is an inflammation of the optic nerve, the bundle of nerve fibers that transmits visual information from your eye to your brain.
Release: Erica Kane single. Producer: Speaker Knockerz. This past thursday, South Carolina rapper/producer/songwriter Derek Speaker Knockerz McAllister, was found dead of a heart attack in his garage at 19 years old. It's probably best not to speculate on why a 19 year old would die of a heart attack.
What happened to Speaker Knockerz, and why did he die at such a young age? That's what fans of the 19-year-old rapper (born Derek McAllister) are asking today after a toxicology report on Friday reportedly showed no foul play. Earlier in the week, Knockerz' fans became panicked when the young Twitter star went missing.