Table 1: Patients’ Demographic Characteristics

Time Period	2004-2007	2008-2011
n	196	204
AGE (MEAN± SD)	53.75 ± 21.54	52.89 ± 19.85
GENDER
MALE	55.7%	57.1%
FEMALE	44.3%	42.9%
EYES
RIGHT	90	110
LEFT	106	94