Table 1

Myopia prevalence rates and vitreous chamber depth in relation to night lighting conditions before 2 years and before 1 year of age in Singapore schoolchildren

% Myopic
(95% CI)
Mean vitreous chamber depth (mm) (95% CI)
Lighting conditions while sleeping before 2 years
 In the dark 31.4 (26.7, 36.0)16.2 (14.8, 19.1)
 Light from adjacent room or window 36.3 (29.4, 43.2)16.3 (14.9, 18.8)
 Night light or “dim” light33.2 (28.0, 38.4)16.2 (15.0, 19.1)
 Room light 29.9 (20.1, 39.7)16.3 (14.8, 18.4)
Lighting conditions while sleeping before 1 year
 In the dark 32.9 (27.9, 37.8)16.1 (14.5, 19.3)
 Light from adjacent room or window34.4 (27.6, 41.2)16.2 (14.4, 19.0)
 Night light or “dim” light 32.2 (27.5, 36.9)16.1 (14.3, 19.1)
 Room light 31.8 (20.3, 43.4)16.4 (14.5, 19.6)