Research Article
Revision Surgery for Idiopathic Macular Hole after Failed Primary Vitrectomy
Table 3
VA after revision surgery.
| | | MH undergoing revision surgery n = 20 | Successful revision surgery n = 17 | Unsuccessful revision surgery n = 3 | Revision surgery not attempted n = 2 |
| | VA (letters) | | Before first surgery, mean ± SD | 33 ± 26 | 33 ± 27 | 33 ± 23 | 41 ± 0 | | Failure, mean ± SD | 21 ± 36 | 24 ± 30 | 7 ± 63 | 41 ± 0 | | 3 months after revision surgery | 35 ± 32, n = 16 | 37 ± 31, n = 14 | 18 ± 46, n = 2 | — | | Change in letter score, mean ± SD | +3 ± 33 | +4 ± 31 | −5 ± 64 | — | | ≥0-letter increase, no. (%) | 12 (75) | 11 (79) | 1 (50) | — | | ≥15-letter increase, no. (%) | 5 (31) | 4 (29) | 1 (50) | — | | 12 months after revision surgery | 55 ± 19, n = 6 | 55 ± 19, n = 6 | N/A | — | | Change in letter score, mean ± SD | +16 ± 17 | +16 ± 17 | N/A | — | | ≥0-letter increase, no. (%) | 5 (83) | 5 (83) | N/A | — | | ≥15-letter increase, no. (%) | 3 (50) | 3 (50) | N/A | — |
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VA: visual acuity. MH: macular hole. SD: standard deviation. N/A: not available.
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