Foveal Microstructure on Spectral-Domain Optical Coherence Tomographic Images and Visual Function After Macular Hole Surgery - 28/07/11
, Takayuki Baba a, Masayasu Kitahashi a, Toshiyuki Oshitari a, Shuichi Yamamoto a
Inquiries to Yoshinori Mitamura, Department of Ophthalmology, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-8-15 Kuramoto, Tokushima 770-8503, JapanRésumé |
Purpose |
To determine the correlation between the recovery of foveal microstructure and the visual acuity or the foveal sensitivity after idiopathic macular hole (MH) closure.
Design |
Prospective, consecutive, observational case series.
Methods |
We studied 43 eyes of 43 patients before and 1, 3, and 6 months after MH surgery. The best-corrected visual acuity (BCVA), the foveal sensitivity measured by MP1 microperimetry, and the photoreceptor inner and outer segment (IS/OS) junction and the external limiting membrane (ELM) determined by spectral-domain optical coherence tomography were investigated.
Results |
Preoperatively, the lengths of the IS/OS junction defect and the ELM defect were significantly correlated with only the foveal sensitivity (P < .0001). At all postoperative times, the lengths of both the IS/OS and ELM defects were significantly correlated with both the BCVA and the foveal sensitivity (P < .05 for all). The preoperative lengths of both the IS/OS and ELM defects were significantly correlated with the foveal sensitivity at 6 months after surgery (P = .0022, P = .0031, respectively). The IS/OS junction defect was significantly correlated with the ELM defect at all times (P < .0001 for all). No restoration of the IS/OS junction was observed in eyes without the ELM restoration.
Conclusions |
The restoration of the ELM is closely associated with that of the IS/OS junction. The preoperative IS/OS or ELM defect was associated with the postoperative foveal sensitivity. The restoration of not only the IS/OS junction but also the ELM may reflect the morphologic and functional recovery of the foveal photoreceptors in surgically closed MHs.
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Vol 152 - N° 2
P. 283 - août 2011 Retour au numéro
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