Variables

N

Diopter mean ± SD

Total student

338 (100%)

−2.17 ± 1.86

Hyperopia

8 (2%)

1.33 ± 1.08

Emmetropia

69 (20%)

−0.31 ± 0.32

Myopia

261 (77%)

−2.77 ± 1.67

Without glasses

107 (32%)

−1.58 ± 0.78

With glasses

154 (46%)

−3.60 ± 1.62

Good fitting

88 (26%)

−3.42 ± 1.39

Poor fitting

66 (20%)

−3.95 ± 1.86