The relationship between macular cell layer thickness and visual function in different stages of glaucoma

T. S. Vajaranant, R. J. Anderson, R. Zelkha, Cheng Zhang, J. T. Wilensky, D. P. Edward, M. Shahidi

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Purpose To determine whether there were differences in the structure-function relationship between early and advanced glaucoma, and study the association between thickness of discrete macular cell layers, the thickness of the retinal nerve fiber layer, and visual field sensitivity.MethodsIn all, 71 eyes of 50 subjects (28 glaucoma patients and 22 normal control subjects) were included. Thickness of macular retinal nerve fiber layer (mRNFL), macular inner retinal layer (mIRL), and macular outer retinal layer (mORL) were measured from Stratus optical coherence tomography macular scans, using our previously published segmentation algorithm. Visual sensitivity loss was determined by mean deviation (MD) using Humphrey Visual Field Analyzer. The mean thickness for each layer from the normal control subjects, early, and advanced glaucoma groups was compared. In addition, a mixed model analysis was used to explore the relationship between structure-function, allowing for possible interaction with glaucoma stage.ResultsThe mean mRNFL thickness in early and advanced glaucoma patients was significantly less than measurements in normal subjects (P<0.01). The mean mIRL thickness in advanced glaucoma was significantly less than normal subjects (P<0.04). The mean mORL thickness in early and advanced glaucoma was not statistically significant different from that of normal subjects (P>0.8). There was no statistically significant difference in macular structure-function relationship between the two glaucoma groups (P>0.05). Mean mIRL thickness was significantly associated with MD (P=0.04).ConclusionThere was no significant difference in macular structure-function relationship between early and advanced glaucoma groups. Combined data from both glaucoma groups indicated that mIRL thickness was associated with visual sensitivity loss.

Original languageEnglish (US)
Pages (from-to)612-618
Number of pages7
JournalEye
Volume25
Issue number5
DOIs
StatePublished - May 2011
Externally publishedYes

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Glaucoma
Nerve Fibers
Visual Fields
Optical Coherence Tomography

Keywords

  • glaucoma
  • macular thickness
  • optical coherence tomography
  • retinal nerve fiber

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Vajaranant, T. S., Anderson, R. J., Zelkha, R., Zhang, C., Wilensky, J. T., Edward, D. P., & Shahidi, M. (2011). The relationship between macular cell layer thickness and visual function in different stages of glaucoma. Eye, 25(5), 612-618. https://doi.org/10.1038/eye.2011.17

The relationship between macular cell layer thickness and visual function in different stages of glaucoma. / Vajaranant, T. S.; Anderson, R. J.; Zelkha, R.; Zhang, Cheng; Wilensky, J. T.; Edward, D. P.; Shahidi, M.

In: Eye, Vol. 25, No. 5, 05.2011, p. 612-618.

Research output: Contribution to journalArticle

Vajaranant, TS, Anderson, RJ, Zelkha, R, Zhang, C, Wilensky, JT, Edward, DP & Shahidi, M 2011, 'The relationship between macular cell layer thickness and visual function in different stages of glaucoma', Eye, vol. 25, no. 5, pp. 612-618. https://doi.org/10.1038/eye.2011.17
Vajaranant, T. S. ; Anderson, R. J. ; Zelkha, R. ; Zhang, Cheng ; Wilensky, J. T. ; Edward, D. P. ; Shahidi, M. / The relationship between macular cell layer thickness and visual function in different stages of glaucoma. In: Eye. 2011 ; Vol. 25, No. 5. pp. 612-618.
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