Dr. Vanessa Chang, OD, Therapeutic Optometrist, is a native Houstonian and a graduate of the University of Houston: '80 Doctorate of Optometry, '76 BS-Biology. She is therapeutically certified to treat minor eye disease & is a co-manager of Lasik surgery. She is one of only 4 optometrists in the Rio Grande Valley to fit Orhokeratology lenses (Overnight 'lasik' gas permeables).