You confer on the subject the ability to see things as they actually are. This allows the target to find secret doors that have a DC of 30 or less, see the exact location of creatures hidden by blur or displacement effects, and see invisible creatures or objects normally.
You are able to see creatures hidden by invisibility, and those disguised by blur or displacement spells. This effect also automatically reveals hidden doors as if you had a skill of 30 in Spot and Search