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首页> 外文期刊>British journal of ophthalmology >Association between integrity of foveal photoreceptor layer and visual acuity in branch retinal vein occlusion.
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Association between integrity of foveal photoreceptor layer and visual acuity in branch retinal vein occlusion.

机译：中央凹感光细胞层完整性与视网膜分支静脉阻塞的视敏度之间的关联。

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AIM: To study the correlation between integrity of the photoreceptor layer after resolution of macular oedema (MO) associated with branch retinal vein occlusion (BRVO) and final visual acuity (VA), and to determine prognostic factors for visual outcome. METHODS: We retrospectively studied 46 eyes from 46 patients with resolved MO secondary to BRVO, the foveal thickness of which was less than 250 microm at final observation. We assessed the status of the third high reflectance band (HRB) in the fovea using optical coherence tomography (OCT) at final observation, and studied OCT images taken at the initial visit in the hope of identifying a factor that would be prognostic of visual outcome. RESULTS: No differences were found in initial VA or in foveal thickness between eyes with or without complete third HRB at final observation. However, final VA in eyes without a complete HRB was significantly poorer (p<0.002). Additionally, initial status of the third HRB in the parafoveal area of unaffected retina was associated with final VA; lack of visualisation of the third HRB at 500 microm (p 0.0104) or 1000 microm (p associated with poor visual recovery after resolution of the MO. CONCLUSION: Integrity of the photoreceptor layer in the fovea is associated with VA in resolved MO, and status of the third HRB before treatment might be predictive of visual outcome.
机译：目的：研究黄斑水肿（MO）与视网膜分支静脉阻塞（BRVO）相关的黄斑水肿（MO）消退后的感光层完整性与最终视力（VA）之间的相关性，并确定视觉结果的预后因素。方法：我们回顾性研究了来自46例继发于BRVO的已解决MO的46眼，在最终观察时其中央凹厚度小于250微米。我们在最终观察时使用光学相干断层扫描（OCT）评估了中央凹中第三高反射带（HRB）的状态，并研究了初次就诊时所拍摄的OCT图像，以期找出可预见视力预后的因素。结果：在最终观察时，有或没有完整的第三HRB的眼睛之间的初始视力或中央凹厚度没有差异。但是，没有完整HRB的眼睛的最终VA明显较差（p <0.002）。另外，未受影响的视网膜中央凹旁区域的第三个HRB的初始状态与最终的VA相关。在500微米（p 0.0104）或1000微米（p与MO消退后视觉恢复差有关）缺乏第三HRB的可视化。结论：中央凹中感光层的完整性与VA在已分辨的MO中和状态相关治疗前第三个HRB的百分比可能是视觉结果的预测。

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