Table 1.
Results of the meta-analysis of the effects of accommodation on geometrical parameters of the crystalline lens in humans.
| Group | Subgroup (apparatus) | Studies (n) | Heterogeneity test |
Effect model | Results of meta-analysis |
||
|---|---|---|---|---|---|---|---|
| I2 (%) | P value | MD (95% CI) | P value | ||||
| LT | 18 | 96.60 | 0.000 | Random | 0.04 (0.03, 0.06) | <0.001 | |
| OCT and IOL Master | 12 | 86.30 | 0.000 | Random | 0.04 (0.02, 0.05) | <0.001 | |
| MRI | 5 | 88.10 | 0.000 | Random | 0.06 (0.04, 0.08) | <0.001 | |
| A-scan ultrasonography | 1 | 0.00 | N/A | Random | 0.05 (0.05, 0.05) | <0.001 | |
| LD | 6 | 50.10 | 0.075 | Random | −0.06 (−0.07, −0.05) | <0.001 | |
| MRI | 4 | 12.10 | 0.332 | Random | −0.07 (−0.08, −0.05) | <0.001 | |
| A-scan ultrasonography | 1 | 0.00 | N/A | Random | −0.05 (−0.06, −0.04) | <0.001 | |
| OCT | 1 | 0.00 | N/A | Random | −0.08 (−0.12, −0.05) | <0.001 | |
| ACR | 8 | 96.50 | 0.000 | Random | −0.53 (−0.64, −0.41) | <0.001 | |
| OCT and IOL Master | 7 | 96.70 | 0.000 | Random | −0.58 (−0.71, −0.45) | <0.001 | |
| MRI | 1 | 0.00 | N/A | Random | −0.25 (−0.31, −0.19) | <0.001 | |
| PCR | 9 | 94.70 | 0.000 | Random | −0.14 (−0.19, −0.09) | <0.001 | |
| OCT and IOL Master | 7 | 95.80 | 0.000 | Random | −0.16 (−0.23, −0.08) | <0.001 | |
| MRI | 2 | 0.00 | 0.648 | Random | −0.09 (−0.12, −0.07) | <0.001 | |
| LCP | 3 | 0.00 | 1.000 | Fixed | −0.01 (-0.02, −0.00) | <0.001 | |
| TCSA | 2 | 97.00 | 0.000 | Random | 0.58 (−0.41, 1.57) | >0.05 | |
ACR, anterior curvature radius; LCP, lens center position; LD, lens diameter; LT, lens thickness; MRI, magnetic resonance imaging; N/A, not available; OCT, optical coherence tomography; PCR, posterior curvature radius; TCSA, total cross-sectional area.