Table 1: Total Frequency and percentage of variables according to vision measurement.

Total

Normalvision

Abnormal vision

Overall

99,661 (100.0)

82,779 (83.06)

16,882 (16.94)

Gender

Male

51,463 (51.64)

43,351 (84.24)

8,112 (15.76)

Female

48,198 (48.36)

39,428 (81.80)

8,770 (18.20)

Grade

First

23,621 (23.70)

19,213 (81.34)

4,408 (18.66)

Third

22,607 (22.68)

18,983 (83.97)

3,624 (16.03)

Fifth

21,307 (21.38)

17,614 (82.67)

3,693 (17.33)

Seventh

17,044 (17.10)

14,123 (82.86)

2,921 (17.14)

Ninth

15,082 (15.14)

12,846 (85.17)

2,236 (14.83)

Nationality

Qatari

34,485 (34.60)

29,277 (84.90)

5,208 (15.10)

Non-Qatari

65,176 (65.40)

53,502 (82.09)

11,674 (17.91)

Type of School

Government

48,179 (48.34)

42,284 (87.76)

5,895 (12.24)

Private

51,482 (51.66)

40,495 (78.66)

10,987 (21.34)

Glasses

With Glass

-

-

3,417

Without Glass

-

-

13,465