M R Razeghinejad1,2, Adel Hamid2, M H Nowroozzadeh3. 1. Glaucoma Service, Wills Eye Hospital, Philadelphia, PA, USA. 2. Poostchi Eye Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. 3. Poostchi Eye Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. nowroozzadeh@hotmail.com.