J Korean Ophthalmol Soc.  2010 Sep;51(9):1237-1244. 10.3341/jkos.2010.51.9.1237.

Usefulness of Table Parameters of Stratus OCT in Detection of Localized Retinal Nerve Fiber Layer Defects

• Shin JH
• Yoo YC
• Park KH

• KMID: 2122291
• DOI: http://doi.org/10.3341/jkos.2010.51.9.1237

Abstract

PURPOSE
To evaluate the usefulness of table parameters of Stratus optical coherence tomography (OCT) in order to detect localized retinal nerve fiber layer (RNFL) defects.
METHODS
The present study included 86 glaucoma patients with only localized, wedge-shaped RNFL defects, as determined by red-free RNFL photographs. All subjects were tested fast RNFL scans, using of Stratus OCT. The sensitivity of the clock hour parameter and 11 table parameters of RNFL thickness average analysis were compared.
RESULTS
The best parameters in the superior table parameter of the Stratus OCT were Smax, Savg, and Smax/Tavg (sensitivity = 36.7%, 36.7%, 36.7%, respectively). The best parameters in the inferior table parameter of the Stratus OCT were Iavg, Imax, and Imax/Smax (sensitivity = 63.8%, 59.4%, and 50.7%, respectively). However, all were significantly lower than the sensitivity of the clock hour parameter (superior RNFL defect: 60%; inferior RNFL defect: 84.1%).
CONCLUSIONS
The usefulness of the table parameters of the Stratus OCT used to detect localized RNFL defects in glaucoma patients is considered low because of its low sensitivity.

Keyword

Localized retinal nerve fiber layer defects; Sensitivity; Stratus optical coherence tomography; Table parameter

MeSH Terms

Glaucoma
Humans
Nerve Fibers
Retinaldehyde
Tomography, Optical Coherence
Retinaldehyde

Figure

• 

  Figure 1 Graphical comparison of the specific table parameter according to the location of RNFL defect.

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