研究目的
Investigating the role of tractional forces and the internal limiting membrane in macular hole formation through intraoperative optical coherence tomography.
研究成果
The case highlights the importance of the internal limiting membrane in macular hole formation and the utility of iOCT in identifying occult retinal defects. ILM peeling was crucial for macular hole closure, emphasizing the need for careful intraoperative imaging review.
研究不足
The case study is limited to a single patient, which may not be representative of all cases. The iOCT technology, while useful, may miss subtle changes if not carefully reviewed in real time.
1：Experimental Design and Method Selection:
A case study of a 69-year-old patient undergoing vitrectomy for vitreomacular traction (VMT) with subsequent development of a macular hole. Intraoperative OCT (iOCT) was used to observe the formation of an occult macular hole post-VMT release.
2：Sample Selection and Data Sources:
The patient's left eye with VMT and a history of high myopia and pseudophakia.
3：List of Experimental Equipment and Materials:
Spectral domain OCT (SD-OCT; Heidelberg Spectralis), Zeiss Rescan 700 for iOCT imaging, intravitreal triamcinolone, illuminated pick, 25-gauge pars plana vitrectomy, 16% C3F8, 20% SF6 gas.
4：Experimental Procedures and Operational Workflow:
Vitrectomy performed to release VMT, followed by observation of macular hole formation. Subsequent treatments included fluid-gas exchange and ILM peeling.
5：Data Analysis Methods:
Retrospective review of iOCT scans to identify occult full-thickness macular hole.
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