J Korean Ophthalmol Soc > Volume 49(4); 2008 > Article
Journal of the Korean Ophthalmological Society 2008;49(4):583-588.
DOI: https://doi.org/10.3341/jkos.2008.49.4.583    Published online April 15, 2008.
Correlation of Preoperative Optical Coherence Tomography with Preand Postoperative Visual Acuity of Macular Hole.
Su Jin Kim, Ji Eun Lee, Boo Sup Oum
Department of Ophthalmology, College of Medicine, Pusan National University, Pusan, Korea. jlee@pusan.ac.kr
수술 전 황반원공의 빛간섭단층촬영과 수술 전후 시력과의 상관관계
Department of Ophthalmology, College of Medicine, Pusan National University, Pusan, Korea
To evaluate the correlation between preoperative optical coherence tomography (OCT) parameters and pre- and post-operative visual acuity after macular hole surgery. METHODS: Twenty-five eyes of 24 patients who underwent macular hole surgery with a postoperative follow-up longer than 6 months were studied. On enhanced preoperative horizontal and vertical OCT scans, various parameters including hole diameter, base diameter, total lesion diameter, and hole height were measured. Hole form factor (HFF) and macular hole index (MHI) were calculated. The correlation between the parameters and pre- and post-operative visual acuity, as well as visual acuity change, was analyzed. RESULTS: There was a significant correlation between hole height and preoperative visual acuity (P=0.018). Better postoperative visual outcome was correlated with a smaller hole diameter, smaller total lesion diameter, and greater hole height (P=0.002, 0.043 and 0.037). HFF and MHI were correlated with visual acuity change (P=0.024 and <0.001) CONCLUSIONS: The correlation between visual acuity and hole height suggests that the height represents the amount of neural tissue in the retina. Relatively greater improvement in visual acuity is expected in eyes with high HFF or MHI even when preoperative visual acuity is low.
Key Words: Macular hole;Optical coherence tomography

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