Table 2.

Clinical characteristics of rheumatoid arthritis patients by groups

Clinical parameters	Group I	Group II	P
Visual acuity (Snellen)	0.96±0.12 (1.00)	0.82±0.21 (0.9)	0.0011
IOP (mmHg)	17.23±2.08 (17.00)	17.00±1.97 (18.00)	0.8678
Length of therapy (years)	6.08±6.49 (4.00)	6.16±4.27 (5.00)	0.0039

Visual acuity (Snellen)=Visual acuity determined by Snellen chart (mean value±SD [median]); IOP (mmHg)=Intraocular pressure is presented as mean value±SD (median); Length of therapy (years)=Length of therapy (mean value±SD [median]); SD=Standard deviation