Table 1.

 Baseline data of the patients of the study group and the control group

	Study group (n = 97)	Control group (n = 69)	p Value*
Age (years)	67.2 (9.9)	66.7 (8.6)	0.56 (NS)
Median	67.5	67.8
Range	28.2–86.7	49.1–87.5
Refractive error (D)	0.61 (1.55)	0.69 (1.43)	0.60 (NS)
Median	+0.50	+0.63
Range	−2.5 to +5.25	−3.75 to +5.75
Visual acuity
Snellen acuity	0.14 (0.09)	0.31 (0.16)	<0.001
Median	0.10	0.30
Range	FC–0.50	0.03–0.60
Snellen lines	13.3 (3.2)	17.1 (2.9)	<0.001
Median	13	18
Range	4–20	8–21
LogMar	0.98 (0.36)	0.59 (0.52)	<0.001
Median	1.00	0.53
Range	0.30–2.40	0.22–1.52
Follow up	9.2 (6.8)	7.4 (4.5)	0.30 (NS)
Median	7.0	6.9
Range	1.0–25.2	1.2–23.1
Intraocular pressure	15.2 (3.6)	15.5 (3.6)	0.85 (NS)
Median	16	16
Range	10–24	9–24
Change in best VA
LogMar units	−0.27 (0.24)	0.03 (0.21)	<0.001
Snellen lines	2.6 (2.2)	−0.3 (1.9)	<0.001
Snellen acuity	0.12 (0.13)	−0.02 (0.120	<0.001
Change in VA between baseline and end of follow up
LogMar units	−0.03 (0.33)	0.13 (0.23)	<0.001
Snellen lines	0.4 (3.3)	−1.3 (2.3)	<0.001
Snellen acuity	0.03 (0.13)	−0.07 (0.12)	<0.001

*Statistical significance of difference between the two groups.

NS, statistically not significant; VA, visual acuity. Results shown as mean (standard deviation).