Clinical Study
Optimal Keratoplasty for the Correction of Presbyopia and Hypermetropia
Table 2
Visual acuity outcomes.
| | | Baseline | 1 hour | 1 day | 1 week | 1 month | 3 months | 6 months | Significance |
| | All eyes | Monocular UNVA
logMAR ± SD
(Snellen) | 0.58 ± 0.19
(20/76) | 0.22 ± 0.13
(20/33) | 0.24 ± 0.13
(20/35) | 0.31 ± 0.14
(20/41) | 0.32 ± 0.14
(20/42) | 0.31 ± 0.16
(20/41) | 0.34 ± 0.15
(20/44) | | | value | | | | | | | | | Binocular UNVA
logMAR ± SD
(Snellen) | 0.49 ± 0.16
(20/62) | 0.15 ± 0.1
(20/28) | 0.17 ± 0.11
(20/30) | 0.25 ± 0.13
(20/36) | 0.24 ± 0.11
(20/35) | 0.24 ± 0.13
(20/35) | 0.29 ± 0.12
(20/39) | | | value | | | | | | | | |
| | Double-treated eyes | Monocular UNVA
logMAR ± SD
(Snellen) | 0.60 ± 0.21
(20/80) | 0.30 ± 0.21
(20/40) | 0.27 ± 0.20
(20/37) | 0.34 ± 0.16
(20/44) | 0.39 ± 0.17
(20/49) | 0.30 ± 0.18
(20/40) | 0.32 ± 0.17
(20/42) | | | value | | | | | | | | | Binocular UNVA
logMAR ± SD
(Snellen) | 0.51 ± 0.22
(20/65) | 0.17 ± 0.15
(20/30) | 0.19 ± 0.15
(20/31) | 0.28 ± 0.15
(20/38) | 0.30 ± 0.17
(20/40) | 0.25 ± 0.16
(20/36) | 0.28 ± 0.17
(20/38) | | | value | | | | | | | | |
| | Hypermetropic/presbyopic eyes | Monocular UDVA
logMAR ± SD
(Snellen) | 0.41 ± 0.19
(20/51) | 0.13 ± 0.1
(20/27) | 0.12 ± 0.11
(20/26) | 0.15 ± 0.13
(20/28) | 0.14 ± 0.12
(20/28) | 0.14 ± 0.12
(20/28) | 0.16 ± 0.12
(20/29) | | | value | | | | | | | | | Binocular UDVA
logMAR ± SD
(Snellen) | 0.28 ± 0.13
(20/38) | 0.06 ± 0.07
(20/23) | 0.04 ± 0.1
(20/22) | 0.06 ± 0.09
(20/23) | 0.09 ± 0.1
(20/25) | 0.11 ± 0.1
(20/26) | 0.13 ± 0.1
(20/27) | | | value | | | | | | | | |
| | Pure presbyopic eyes | Monocular UDVA
logMAR ± SD
(Snellen) | 0.04 ± 0.02
(20/22) | 0 ± 0.04
(20/20) | 0.03 ± 0.06
(20/21) | 0.04 ± 0.1
(20/22) | 0 ± 0.05
(20/20) | 0 ± 0.04
(20/20) | 0.03 ± 0.06
(20/21) | | | value | | | | | | | | | Binocular UDVA
logMAR ± SD
(Snellen) | 0 ± 0.05
(20/20) | −0.04 ± 0.06
(20/20) | −0.03 ± 0.05
(20/20) | 0 ± 0.1
(20/20) | −0.06 ± 0.06
(20/18) | −0.05 ± 0.05
(20/18) | −0.04 ± 0.06
(20/20) | | | value | | | | | | | | |
| | Patient satisfaction for near activities | | 33 ± 20 | — | 76 ± 20 | 71 ± 20 | 75 ± 19 | 68 ± 16 | 71 ± 16 | | | | value | | | | | | | | |
| | Patient satisfaction for distance activities | | 70 ± 23 | — | 82 ± 10 | 82 ± 14 | 84 ± 14 | 87 ± 11 | 84 ± 14 | | | | value | | | | | | | | |
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UNVA: uncorrected near visual acuity; UDVA: uncorrected distance visual acuity.
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