Comparison of Ganglion Cell-Inner Plexiform Layer and Retinal Nerve Fiber Layer after Cataract Surgery. |
Young Soo Han, Pyung Lee, Kyung Hyun Jin |
Department of Ophthalmology, Kyung Hee University Medical Center, Kyung Hee University School of Medicine, Seoul, Korea. khjinmd@khmc.or.kr |
백내장 수술 전후 황반부 신경절세포-내망상층과 망막신경섬유층 측정치의 변화 |
한영수⋅이 평⋅진경현 |
경희대학교 의학전문대학원 경희의료원 안과학교실 |
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Abstract |
PURPOSE To observe the change in the measured thickness of ganglion cell-inner plexiform layer (GCIPL) and retinal nerve fiber layer (RNFL) thickness before and after cataract surgery. METHODS: Forty-six eyes of 32 patients, scheduled to have cataract surgery, were imaged with spectral-domain optical coherence tomography (OCT) (Cirrus HD OCT) before and 5 weeks after the surgery to measure GCIPL and RNFL thickness repeatly. RESULTS: All GCIPL and RNFL thickness parameters were significantly higher postoperatively compared with preoperative measurements (p < 0.001). RNFL thickness changed more than GCIPL; the increased amount of mean RNFL thickness (14.16%) was higher than GCIPL thickness (7.36%; p < 0.001). GCIPL and RNFL thicknesses and, GCIPL signal strength changes were significantly increased in all types of cataracts (p < 0.05). RNFL signal strength change was significantly increased in posterior subcapsular cataracts (p < 0.05). CONCLUSIONS: Cataracts may affect GCIPL and RNFL thicknesses. After cataract surgery, GCIPL thickness, similar to the RNFL thickness, was increased significantly. As GCIPL thickness may be less affected by cataracts than RNFL thickness, GCIPL thickness may be a more meaningful indicator for the diagnosis of glaucoma with cataract. |
Key Words:
Cataract surgery;Ganglion cell-inner plexiform layer;Glaucoma diagnosis;Optical coherence tomography |
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