Marc Grossman, OD, LAc, is a behavioral optometrist of 35 years and licensed acupuncturist who takes an integrated medical approach to vision and incorporates the physical, emotional, spiritual aspects of vision in his philosophy of eye care. He has written five books on natural eye care including Greater Vision: A Comprehensive Program for Physical, Emotional, and Spiritual Clarity and Magic Eye Beyond 3D: Improve Your Vision. Dr. Grossman maintains a private practice and lectures and teaches workshops throughout the United States.