Accommodative amplitude

Age decreases accommodative amplitude in humans (p < 0.001).

“AA decreased significantly with age (G1-G4: 2.41 ± 0.53, 2.13 ± 0.63, 1.61 ± 0.44 and 1.75 ± 0.73 D; p < 0.001)”

Humansphakic adultsn = 77

Subjective Accommodative Function and Defocus Curve Metrics in Phakic Adults Aged 45-65 Years

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)·4 Aug 2026