From: Fundamentals of Presbyopia: visual processing and binocularity in its transformation
Characteristics | Control | Presbyopia | P-value |
---|---|---|---|
Age, years | 22.3 ± 3.2 | 52.4 ± 2.2 | 0.0001 |
Female: Male | 15:15 | 15:15 | – |
Mean spherical equivalent of refraction, D | 0.2 ± 0.1 | 0.2 ± 0.2 | 1.00 |
Axial length, mm | 23.5 ± 0.5 | 23.5 ± 0.4 | 1.00 |
Keratometry, ax 90°, D | 43.2 ± 1.3 | 43.3 ± 1.1 | 0.61 |
Keratometry, ax 180°, D | 43.0 ± 1.1 | 43.1 ± 1.1 | 0.62 |
Amplitude of accommodation, D | 6.93 ± 1.12 | 1.99 ± 0.89 | 0.0001 |
Mean prism equivalent of distance heterophoria, PD | −1.2 ± 0.2 | −1.1 ± 0.3 | 0.88 |