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- W2017922548 abstract "In Brief Purpose To examine the thickness and structural features of the ophthalmoscopically normal-appearing, attached retina in rhegmatogenous retinal detachments by optical coherence tomography (OCT) and compare them with those of the fellow eye. Methods Seventy eyes of 35 patients with rhegmatogenous retinal detachments were included in this study. The retinal detachments were not total. None of the patients had pathologic myopia or a history of ocular surgery. The fellow eyes were ophthalmoscopically normal and used as controls. Attached retinal sites of the eyes with a retinal detachment and the corresponding retinal sites of the fellow eyes were examined by OCT. Three OCT sections were taken from each eye, and thicknesses of three reflective zones corresponding to the inner part of the neurosensory retina (partial neurosensory retina), photoreceptor–photoreceptor outer segment, and total retinal thickness on each OCT section were measured and compared with those of the fellow eye. These three measurements were taken as the main outcome measures and performed on five different sites of each OCT section taken from each eye. Results The mean partial neurosensory retinal thickness of the attached retina in the eyes with a retinal detachment and the corresponding retinal sites in the fellow eyes was 172.74 ± 14.23 μm and 170.60 ± 16.51 μm, respectively. There was no statistically significant difference between these two values. The mean photoreceptor outer segment thickness of the attached retina in the eyes with a retinal detachment and the corresponding retinal sites in the fellow eyes was 62.74 ± 12.02 μm and 58.23 ± 15.14 μm, respectively. There was a statistically significant difference between these two values. The mean total retinal thickness of the still-attached retina in the eyes with a retinal detachment and the corresponding retinal sites in the fellow eyes were 293.23 ± 27.87 μm and 277.06 ± 19.12 μm, respectively. There was a statistically significant difference between these two values. Conclusions The main difference between the two groups of eyes was at the level of the thickness of the black hyporeflective zone, corresponding anatomically to the photoreceptor and photoreceptor outer segment that enlarges in the retinal detachments. Therefore, there may be a subclinical retinal detachment or a global retinal relaxation even in the ophthalmoscopically normal-appearing, still-attached retina. This may be the underlying cause of preoperative and postoperative signs and symptoms. Additional studies are required to confirm these findings. In this study, optical coherence tomography measurements of ophthalmoscopically normal-appearing attached retinal sites of the eyes with rhegmatogenous retinal detachments were compared with the corresponding retinal sites of the normal fellow eyes. A significantly greater total retinal thickness and photoreceptorphotoreceptor outer segment thickness were observed in the ophthalmoscopically normal-appearing attached sites of the eyes with rhegmatogenous retinal detachments. Based on these findings, a possible subclinical retinal detachment or global retinal relaxation was suggested to be in the attached retina in eyes with rhegmatogenous retinal detachment." @default.
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- W2017922548 date "2004-02-01" @default.
- W2017922548 modified "2023-09-23" @default.
- W2017922548 title "STRUCTURAL FEATURES OF ATTACHED RETINA IN RHEGMATOGENOUS RETINAL DETACHMENTS" @default.
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- W2017922548 doi "https://doi.org/10.1097/00006982-200402000-00010" @default.
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