Casting illusions causes the air about you to be filled with flashing colors that dazzle your foes.
Prerequisite: Spell Focus (illusion) or illusionist level 1st.
Benefit: When you cast an illusion spell, you can choose to render all enemies within 30 feet dazzled for 1 round. Blind creatures are immune to this effect.
Special: An illusionist can select this feat as a wizard bonus feat.
Source: Complete Mage, page 41.