Table 1

Refractive error among children

Participants n (%)Hyperopia
n (%; 95% CI)
Myopia
n (%; 95% CI)
Mixed astigmatism
n (%; 95% CI)
Refractive error
n (%; 95% CI)
Province
Phnom Penh3659 (30.2)8 (0.22; 0.08 to 0.61)365 (10.0; 6.1 to 15.8)5 (0.14; 0.06 to 0.32)378 (10.3; 6.3 to 16.5)
Kandal province8469 (69.8)6 (0.07; 0.04 to 0.13)130 (1.5; 1.2 to 2.0)5 (0.06; 0.02 to 0.15)141 (1.7; 1.3 to 2.2)
p=0.051p<0.001p=0.176p<0.001
Gender
Male5330 (43.9)8 (0.15; 0.07 to 0.31)174 (3.3; 2.0 to 5.3)2 (0.04; 0.01 to 0.14)184 (3.5; 2.2 to 5.5)
Female6798 (56.1)6 (0.09; 0.04 to 0.22)321 (4.7; 2.7 to 8.3)8 (0.12; 0.05 to 0.27)335 (4.9; 2.8 to 8.6)
p=0.319p=0.003p=0.170p=0.005
Age
11–14 years4941 (40.7)4 (0.08; 0.03 to 0.20)166 (3.4; 1.7 to 6.7)2 (0.04; 0.01 to 0.18)172 (3.5; 1.7 to 6.9)
15–20 years7185 (59.3)10 (0.14; 0.06 to 0.31)329 (4.6; 2.8 to 7.4)8 (0.11; 0.05 to 0.24)347 (4.8; 3.0 to 7.7)
p=0.351p=0.138p=0.229p=0.094
Total12 128 (100)14 (0.12; 0.06 to 0.21)495 (4.1; 2.4 to 6.9)10 (0.08; 0.04 to 0.16)519 (4.3; 2.5 to 7.1)
  • Definitions: in either eye, myopia ≤ −0.50 DS; hyperopia ≥ +2.00 DS; mixed astigmatism ≤ −0.75 DC with emmetropic spherical equivalent.