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Mean (±1 SD) age, age of spectacles, and spherical and astigmatic refractive error shift for each subject group
| No | Subject age (years) | Age of spectacles (months) | Spherical refractive error shift (DS) | Astigmatic refractive error shift (D) | |
| Control group | 22 | 60 (7) | 33 (19) | +0.02 (0.21) | 0.24 (0.20) |
| Nuclear cataract | 21 | 70 (8) | 44 (15) | −0.38 (0.60) | 0.38 (0.31) |
| Cortical cataract | 34 | 71 (9) | 34 (9) | −0.18 (0.46) | 0.71 (0.67) |
| PSC cataract | 21 | 66 (5) | 25 (14) | +0.15 (0.43) | 0.35 (0.38) |
