Radiance Bombs

Each globe is an apple sized shiny golden sphere, etched with an arcane rune. It may be thrown up to 60 feet and explodes on impact. All creatures within a 10 foot radius must make a DC 13 Dexterity save or take 3d6 radiant damage and be blinded for one minute. Creatures that save take half damage and are not blinded. Blinded creatures may reroll saves at the end of its turn to end the blindness.

(From Vault of Magic sourcebook by Kobold Press)