Table 1.
Authors | Year | N | Place | Ages | Method | Criterion | Prevalence % |
Robbins & Bailey [25] | 1975 | 1,243 | Private schools | 4, 8, 12 | Non-cycloplegic retinoscopy | Myopia≥-0.50D "suspected of having myopia" |
5.6% 4 yrs 6.4% 12 yrs |
Amigo, McCarthy & Pye [26] | 1976 | 1,166 | Rural underprivileged | 7 to 12 | Non-cycloplegic retinoscopy | "any tendency for myopia" | 3.4% |
Walters [27] | 1981 1982 1983 |
2,055 1,187 1,722 |
Rural underprivileged | 4 to 14 | Non-cycloplegic retinoscopy | Myopia≥-0.50D | 4.40% 3.03% 2.67% |
Macfarlane [29] | 1987 | 877 | Representative government schools | 6 to 11 | Cycloplegic retinoscopy | Not stated | 13% |
Junghans et al [30] | Early 1990s | 2,535 | 14 government & church schools | 4 to 12 | Non-cycloplegic retinoscopy | Myopia≥-0.50D | 2.0% 4 yrs 10.9% 12 yrs Mean 6.5% |