J Korean Ophthalmol Soc.  2015 Apr;56(4):485-493. 10.3341/jkos.2015.56.4.485.

Comparison of Ganglion Cell-Inner Plexiform Layer and Retinal Nerve Fiber Layer after Cataract Surgery

Affiliations
  • 1Department of Ophthalmology, Kyung Hee University Medical Center, Kyung Hee University School of Medicine, Seoul, Korea. khjinmd@khmc.or.kr

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.

Keyword

Cataract surgery; Ganglion cell-inner plexiform layer; Glaucoma diagnosis; Optical coherence tomography
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