 Go to AdventKnows.com to schedule your appointment because Advent knows when you breathe well, you live better. AdventKnows.com Results may vary. Being blind doesn't look how others may think. Retinitis pigmentosa aimed to overwhelm my family. It tried to cut me down. I know where to find support. Donate today at FightingBlindness.org. A public service message from the Foundation Fighting Blindness.