Optic nerve head topographic measurements and retinal nerve fiber layer thickness in physiologic large cups.

Kyung Hyup Min, Gong Je Seong, Young Jae Hong, Chan Yun Kim

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Abstract

PURPOSE: To evaluate the parameters of optic nerve head (ONH) and retinal nerve fiber layer (RNFL) in patients with large cup/disc ratio (CDR) and normal neuroretinal rim configuration who have normal perimetry (physiologic large cups, LC) and to compare these parameters with those of the normal and early glaucoma patients. METHODS: Using Heidelberg retinal tomography (HRT) and optical coherence tomography (OCT), 30 patients with LC, 29 normal subjects, and 31 early glaucoma patients were examined. One eye from each subject was randomly selected. RESULTS: Significant differences between LC and glaucomatous eyes (GE) were found in parameters indicating loss of nerve fibers, such as rim area, rim volume, and mean RNFL thickness. However, there was no difference between LC and normal eyes (NE) in RNFL thickness, rim area, and rim volume. LC was able to be defined as a normal central excavation with a large disc and large CDR with a normal rim area. CONCLUSIONS: HRT ONH parameters and RNFL thickness obtained with OCT may be useful for differentiating between glaucoma and LC eyes.

Original languageEnglish
Pages (from-to)189-194
Number of pages6
JournalKorean journal of ophthalmology : KJO
Volume19
Issue number3
DOIs
Publication statusPublished - 2005 Sep

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All Science Journal Classification (ASJC) codes

  • Medicine(all)

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