TABLE 1.
PUBLISHED STUDIES OF THE PREVALENCE OF ANISOMETROPIA AND AMBLYOPIA
| AUTHOR | POPULATION | n | TECHNIQUE | PREVALENCE ANISOMETROPIA | PREVALENCE ANISOMETROPIC AMBLYOPIA | % PREVALENCE OF AMBLYOPIA* |
|---|---|---|---|---|---|---|
| Atkinson and Braddick18 | Infants (6 to 9 months) | 1,096 | Photorefraction | 1.3% | — | — |
| DeVries (1985)139 | Elementary school students | 1,356 | Children in hospital population | 2.0% (26/1,356) | 1.30% (17/1,356) | 67% (17/26) |
| Almeder et al 21 | Children (3 months to 9 years) | 686 | Examination | 2.8% | — | — |
| Abolfotouk (1994)140 | Elementary school students (male) | 971 | School examination | — | <1.00% | 27% |
| Attebo (1998)141 | Australian adults (over 49 years) | 3,654 | Examination | — | 1.60% | — |
| Lithander (1998)142 | Primary school students | 6,292 | Acuity screening | — | 0.44% | — |
| Yamashita et al (1999)22 | Japanese school children (6 to 11 years) | 350 | Cycloplegic refraction | 4.3% | — | — |
| Brown (2000)143 | Australian adults (40 to 92 years) | 4,721 | Examination | — | 1.50% | — |
| Quek et al(2004)26 | Singapore students (15 to19 years) | 946 | Noncycloplegic autorefraction | 11.2% | — | — |
| Tong et al (2004)144 | Singapore students (7 to 9 years) | 1,979 | Noncycloplegic autorefraction | 1.6% | — | — |
| Mayer et al (2001)145 | Healthy infants (1 to 48 months) | 514 | Cycloplegic retinoscopy | 1.0% | — | — |
*
Prevalence of amblyopia in subjects with known anisometropia.