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Definitions for Classifying Eyes and Participants as Emmetropic and Ametropic
| UK Biobank Participants | ALSPAC Participants | |
|---|---|---|
| Emmetropic Eyes | Emmetropic Eyes | Ametropic eyes |
| 0.00 ≤ SPH ≤ +1.00 D and |CYL| ≤ 1.00 D and < 0.2 logMAR | 0.00 ≤ SPH ≤ +1.00 D and |CYL| ≤ 1.00 D | |SPH| > 1.00 D or |CYL| > 1.00 D |
| Emmetropic Participants | Emmetropic Participants | Ametropic Participants |
| At least one emmetropic eye | At least one emmetropic eye | Neither eye emmetropic and At least one ametropic eye |
