Agreement of retinal nerve fiber layer color codes between Stratus and Cirrus OCT according to glaucoma severity.

chanyun kim, Ji Won Jung, So Yeon Lee, Na Rae Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We assessed the agreement of retinal nerve fiber layer (RNFL) color codes between Stratus and Cirrus optical coherence tomography (OCT) according to the glaucoma severity. We analyzed 184 eyes from 144 subjects with glaucoma and 40 normal subjects. Glaucoma was categorized into three subgroups according to mean deviation of visual field. The agreement of RNFL color code according to the glaucoma severity was assessed using Cohen's kappa value. Red or yellow color codes were defined as abnormal results, while green or white were defined as normal. Disagreement frequency of abnormal color code displayed by 2 OCTs was evaluated. The agreement of RNFL color code was fair to good in all subgroups (κ 0.288-0.887) except for the nasal quadrant, 1 to 4, and the 9 o'clock sectors. In all severity groups, the frequency of disagreement was less than 10% for average, temporal, and inferior sectors. However, Stratus OCT displayed abnormal results, while Cirrus showed normal results for nasal sectors with considerable disagreement proportion (severe 22.5%, moderate 13.2%, and early 13.6%). The disagreement tended to be pronounced in severe glaucoma. On the other hand, Cirrus OCT displayed abnormal results, while Stratus showed normal results for superior sectors (severe 10.0%, moderate 10.5%, and early 15.2%). The frequency was higher in early glaucoma. Considerable color code disagreements were observed in nasal and superior sectors, and the proportion was different according to the glaucoma severity. Color codes of two OCTs could not be considered interchangeable.

Original languageEnglish
Pages (from-to)3193-3200
Number of pages8
JournalInvestigative ophthalmology & visual science
Volume53
Issue number6
DOIs
Publication statusPublished - 2012 Jan 1

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Optical Coherence Tomography
Nerve Fibers
Glaucoma
Color
Nose
Visual Fields

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

Cite this

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title = "Agreement of retinal nerve fiber layer color codes between Stratus and Cirrus OCT according to glaucoma severity.",
abstract = "We assessed the agreement of retinal nerve fiber layer (RNFL) color codes between Stratus and Cirrus optical coherence tomography (OCT) according to the glaucoma severity. We analyzed 184 eyes from 144 subjects with glaucoma and 40 normal subjects. Glaucoma was categorized into three subgroups according to mean deviation of visual field. The agreement of RNFL color code according to the glaucoma severity was assessed using Cohen's kappa value. Red or yellow color codes were defined as abnormal results, while green or white were defined as normal. Disagreement frequency of abnormal color code displayed by 2 OCTs was evaluated. The agreement of RNFL color code was fair to good in all subgroups (κ 0.288-0.887) except for the nasal quadrant, 1 to 4, and the 9 o'clock sectors. In all severity groups, the frequency of disagreement was less than 10{\%} for average, temporal, and inferior sectors. However, Stratus OCT displayed abnormal results, while Cirrus showed normal results for nasal sectors with considerable disagreement proportion (severe 22.5{\%}, moderate 13.2{\%}, and early 13.6{\%}). The disagreement tended to be pronounced in severe glaucoma. On the other hand, Cirrus OCT displayed abnormal results, while Stratus showed normal results for superior sectors (severe 10.0{\%}, moderate 10.5{\%}, and early 15.2{\%}). The frequency was higher in early glaucoma. Considerable color code disagreements were observed in nasal and superior sectors, and the proportion was different according to the glaucoma severity. Color codes of two OCTs could not be considered interchangeable.",
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Agreement of retinal nerve fiber layer color codes between Stratus and Cirrus OCT according to glaucoma severity. / kim, chanyun; Jung, Ji Won; Lee, So Yeon; Kim, Na Rae.

In: Investigative ophthalmology & visual science, Vol. 53, No. 6, 01.01.2012, p. 3193-3200.

Research output: Contribution to journalArticle

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