Table1- Frequency of dry eye syndrome by sex in subjects of this study Sex number Dry eye syndrome male 80 39 48.8 female 119 69 58 total 199 108 54.3 P= 0.2

Table 2- frequency of dry eye syndrome by grades of DR in subjects of this study

Without dry eye syndrome With dry eye syndrome number Percent number percent No DR 34 57.6 25 42.4 DR 57 40.7 83 59.3 total 91 45.7 108 54.3 P=0.02

Table 3 – Frequency of grades of DR by sex in subjects in this study

NO DR Mild NPDR Moderate NPDR Sever NPDR PDR number percent number percent number percent number percent number percent Male 19 23.8 10 12.5 13 16.3 14 17.5 24 30 Female 40 33.6 24 20.2 21 17.6 8 6.7 26 21.8 total 59 29.6 34 17.1 34 17.1 22 11.1 50 25.1

P= 0.04

Table 4 – Frequency of grades of DR by age in subjects in this study

NO DR Mild NPDR Moderate NPDR Sever NPDR PDR number percent number percent number percent number percent number percent 27-49 y 19 23.8 10 12.5 13 16.3 14 17.5 24 30 50-54 y 40 33.6 24 20.2 21 17.6 8 6.7 26 21.8 55-64 y 59 29.6 34 17.1 34 17.1 22 11.1 50 25.1 65-82 y 8 24.2 7 21.2 5 15.2 6 18.2 7 21.2 P=0.002