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” light | 33.2 (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 window | 34.4 (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) |