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  • Title: Restoration of photoreceptor outer segment after vitrectomy for retinal detachment.
    Author: Shimoda Y, Sano M, Hashimoto H, Yokota Y, Kishi S.
    Journal: Am J Ophthalmol; 2010 Feb; 149(2):284-90. PubMed ID: 19939346.
    Abstract:
    PURPOSE: To report photoreceptor restoration and visual outcomes after vitrectomy for retinal detachment. DESIGN: Retrospective, observational case series. METHODS: We prospectively studied the tomographic features of reattached retinas in 20 eyes with a macula-off rhegmatogenous retinal detachment using spectral-domain optical coherence tomography 1, 3, and 6 months after 3-port vitrectomy with SF(6) gas tamponade. All eyes were examined more than 3 months after surgery. RESULTS: The optical coherence tomography foveal findings were classified as a disrupted inner segment and outer segment (IS/OS) line, a residual foveal detachment, and a continuous IS/OS line. A disrupted IS/OS line was seen in 11 eyes (55%) at 1 month and in 8 eyes (40%) at 3 months, a foveal detachment was seen in 8 eyes (40%) at 1 month and in 7 eyes (35%) at 3 months, and a continuous IS/OS line was seen in 1 eye (5%) at 1 month and in 5 eyes (25%) at 3 months. In 18 eyes followed up for 6 months, optical coherence tomography showed a disrupted IS/OS line in 3 eyes (17%), a foveal detachment in 6 eyes (33%), and a continuous IS/OS line in 9 eyes (50%). The mean best-corrected visual acuities at 1 and 6 months were 0.26 and 0.16 with a disrupted IS/OS line, 0.60 and 0.95 with a foveal detachment, and 0.8 and 0.95 with a continuous IS/OS line. The mean best-corrected visual acuity was significantly (P < .0001) lower with a disrupted IS/OS line compared with the other formations at 6 months. CONCLUSIONS: The IS/OS line at the fovea recovered gradually after surgery. The postoperative visual acuity was correlated with a restored IS/OS line.
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