Dragonsight(Draconomicon, p. 112)
Level: Bard 5, Sorcerer 5, Wizard 5,
Components: V, S, AF,
Casting Time: 1 standard action
Duration: 1 minute/level (D)
You gain the visual acuity of a dragon, including low-light vision, darkvision, and blindsense.
You can see four times as well as a normal human in lowlight conditions and twice as well in normal light. (See the Dragon Sight sidebar, page 17). Your darkvision has a range of 10 feet per caster level.
None of these effects stack with any low-light vision, darkvision, or blindsense you may already have.
Focus: A dragon's eye.