MANUAL AND AUTOMATED OPTIC NERVE HEAD ANALYSIS WITH OCT IN GLAUCOMATOUS AND NONGLAUCOMATOUS EYES

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LOTFI SEDIGH A.; MIRZAEI MOHAMMAD

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Journal: JOURNAL OF CURRENT OPHTHALMOLOGY Year:2005 | Volume:18 | Issue:4 Page(s): 13-18

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Title

MANUAL AND AUTOMATED OPTIC NERVE HEAD ANALYSIS WITH OCT IN GLAUCOMATOUS AND NONGLAUCOMATOUS EYES

Author(s)

LOTFI SEDIGH A. | MIRZAEI MOHAMMAD | Issue Writer Certificate

Keywords

OCTQ3

OPTIC NERVE HEAD ANALYSISQ4

GLAUCOMAQ3

Abstract

Purpose: OCT is able to determine the optic disc margin automatically. The aim of this study was to evaluate of the automatic OCT Optic nerve head measurements and compared it with manual tracing results.Materials & Methods: This was a cross-sectional, retrospective study. 31 patients evaluated with OCT for analysis of optic nerve head. 19 eyes having GLAUCOMA, 9 eyes with GLAUCOMA suspect, 3 normal eyes were entered to study. The standard test for GLAUCOMA was clinical examination and visual field evaluation. The OPTIC NERVE HEAD ANALYSIS was done with OCT-2 and optic nerve head parameter compared with automatic and manual disc margin detection.Results: Significant differences were found between most OCT optic nerve head automated and manual disc assessment parameters, however, good agreement was found between the two methods for all parameters (Intraclass Correlation, 0.71 to 0.94).Areas under receiver operator characteristic curves for clinical examination and visual field analysis were similar for all parameters with both methods in GLAUCOMAtous and nonglaucomatous groups.Conclusion: Automated OCT OPTIC NERVE HEAD ANALYSIS may be used in GLAUCOMA and other clinical optic nerve head abnormalities.In manual disc margin detection, significant differences were detected in the mean measurements between observers but, they demonstrated good inter observer agreement (ICC=0.86 to 0.97).Therefore, the automatic optic nerve head measurements are in agreement with the result obtained by manual detection of the disc margin, but the actual measures are not interchangeable.In ROC curve analysis, manual determination of the disc margin did not improve the ability to distinguish between groups for either the clinical assessment or the visual field analysis.Thus, the automatic OPTIC NERVE HEAD ANALYSIS can be used in the clinical setting but the normal range of optic disc parameters in different age group was not determined and should be evaluated with caution when compared with population study results.

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APA: Copy

LOTFI SEDIGH, A., & MIRZAEI, MOHAMMAD. (2005). MANUAL AND AUTOMATED OPTIC NERVE HEAD ANALYSIS WITH OCT IN GLAUCOMATOUS AND NONGLAUCOMATOUS EYES . JOURNAL OF CURRENT OPHTHALMOLOGY, 18(4), 13-18. SID. https://sid.ir/paper/53065/en

Vancouver: Copy

LOTFI SEDIGH A., MIRZAEI MOHAMMAD. MANUAL AND AUTOMATED OPTIC NERVE HEAD ANALYSIS WITH OCT IN GLAUCOMATOUS AND NONGLAUCOMATOUS EYES . JOURNAL OF CURRENT OPHTHALMOLOGY[Internet]. 2005;18(4):13-18. Available from: https://sid.ir/paper/53065/en

IEEE: Copy

A. LOTFI SEDIGH, and MOHAMMAD MIRZAEI, “MANUAL AND AUTOMATED OPTIC NERVE HEAD ANALYSIS WITH OCT IN GLAUCOMATOUS AND NONGLAUCOMATOUS EYES ,” JOURNAL OF CURRENT OPHTHALMOLOGY, vol. 18, no. 4, pp. 13–18, 2005, [Online]. Available: https://sid.ir/paper/53065/en

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