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Comparison of Retinal Ganglion Cell Damage in Glaucoma and Retinal Vein Occlusion by Visual Field

Ji Young Lee,Sooji Jeon,H. Park

Published 2019 in Journal of the Korean Ophthalmological Society

ABSTRACT

Purpose: We analyzed and compared retinal ganglion cell damage between patients with glaucoma and those with branched retinal vein occlusion (BRVO). We performed two types of visual field examinations. Methods: We retrospectively reviewed the medical records of 40 glaucoma eyes and 40 BRVO eyes. We compared the median deviation (MD), the pattern standard deviation (PSD), and sensitivity of damaged visual hemifield from frequency-doubling technology (FDT) C24-2 and standard automated perimetry (SAP) C24-2 visual field tests evaluation. We sought correlations between the MDs and retinal nerve fiber layer thickness as revealed by optical coherence tomography. Results: MDs did not differ between the groups. PSD value was higher in glaucoma patients with FDT C24-2 test (p = 0.022), but no difference between two groups with SAP C24-2 test (p = 0.144). In terms of the sensitivity of the damaged visual hemifield, glaucoma patients had larger areas of damage in the FDT C24-2 test (p < 0.01). In regression analyses, the log R values of both tests were higher in glaucoma patients. Conclusions: Glaucoma patients had a greater damaged visual field area in the FDT C24-2 test than the SAP C24-2 test. The BRVO patients exhibited similar extents of damage in both tests. Thus, the subtypes and distributions of damaged retinal ganglion cells may differ between the conditions, facilitating differential diagnosis. J Korean Ophthalmol Soc 2019;60(5):455-462

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