Table 1.

Baseline characteristics of the subjects

	Overall (n=30)	Younger (age<35) (n=17)	Older (age≥35) (n=13)	p Value*
Male, n (%)	9 (30)	5 (29)	4 (31)
Age (years)	35.6±11.7	26.6±4.3	47.2±6.5	<0.001
Spherical equivalent error (D)	−2.7±2.8	−3.5±2.9	−2.7±2.8	0.070
Axial length (mm)	24.8±1.5	25.3±1.4	24.2±1.5	0.054
Corneal thickness (mm)	520.1±25.5	519.2±29.2	521.2±20.9	0.832
Crystalline lens biometry
Static condition (±0 D)
Anterior lens curvature (mm)	10.4±1.5	11.5±1.3	9.5±1.3	<0.001
Posterior lens curvature (mm)	5.8±0.4	6.1±0.4	5.8±0.3	0.056
Lens thickness (mm)	3.9±0.3	3.7±0.2	4.2±0.3	<0.001
−1 D accommodation stimuli
Anterior lens curvature (mm)	9.5±1.3	11.3±1.3	10.3±1.6	<0.001
Posterior lens curvature (mm)	5.8±0.4	6.0±0.4	5.7±0.3	0.054
Lens thickness (mm)	3.9±0.3	3.7±0.2	4.2±0.3	<0.001
−3 D accommodation stimuli
Anterior lens curvature (mm)	9.7±1.3	10.4±1.3	9.0±0.9	<0.001
Posterior lens curvature (mm)	5.8±0.4	5.9±0.4	5.7±0.4	0.072
Lens thickness (mm)	4.0±0.3	3.7±0.2	4.2±0.3	<0.001
−5 D accommodation stimuli
Anterior lens curvature (mm)	8.9±0.9	8.9±0.9	8.9±0.9	0.127
Posterior lens curvature (mm)	5.6±0.3	5.6±0.3	5.6±0.3	0.490
Lens thickness (mm)	4.0±0.3	3.9±0.3	4.2±0.3	<0.001

Plus-minus values are means±SD.

*Unpaired t-test between younger age and older age.

D, dioptre.