Correlation of central field index (10-2 visual field analysis) and activity limitation with increasing severity of glaucoma using glaucoma activity limitation-9 questionnaire

Ravi Daruka, Neetha I.R. Kuzhuppilly, Shibi Dev, Shilpa N. Patil, Sandhya Rajendraprasad

Research output: Contribution to journalArticle

Abstract

Purpose: The purpose of the study was to analyze the correlation between central field index (CFI) and activity limitation in glaucoma using glaucoma activity limitation-9 (GAL-9) questionnaire. Methods: This hospital-based, cross-sectional, noninterventional study, included 50 patients diagnosed with glaucoma, with field defect encroaching onto central 10° in Humphrey field analysis 30-2 program, in at least one eye. These patients underwent central 10-2 field analysis and CFI was calculated with the help of a calculator created by us. Patients with severe cognitive impairment were excluded and the rest completed the GAL-9 questionnaire. The data was analyzed to determine the correlation between the CFI and the GAL-9 scores. Results: There was a moderate correlation between CFI of better eye (r =-0.431, confidence interval 'CI'-0.619 to-0.173, P < 0.002) and worse eye (r =-0.342, CI:-0.575 to-0.058, P < 0.015) with GAL-9, the better eye showing a stronger correlation. Mean deviations (MD) of both better (r =-0.345, CI:-0.556 to-0.069, P < 0.014) and worse eye (r =-0.346, CI:-0.578 to-0.063 P < 0.014) showed similar moderate correlation. Vision of better eye (r =-0.398, CI:-0.577 to-0.210, P < 0.004) showed a stronger correlation with GAL-9 score than worse eye (r =-0.188, CI:-0.475 to 0.100, P < 0.192). Subscales of GAL-9 questionnaire also correlated with better eye status. 'Finding dropped objects' had the strongest correlation to CFI of better eye (r =-0.676) and 'adjusting to dim lights' had the weakest correlation (r =-0.052). Conclusion: The better eye status in glaucoma patients correlated better than worse eye with regard to activity limitation, signifying that the better eye has a greater influence on the quality of life and how patients perceive their disability. Furthermore, CFI showed a better correlation with GAL-9 score than MD.

Original languageEnglish
Pages (from-to)1098-1103
Number of pages6
JournalIndian Journal of Ophthalmology
Volume66
Issue number8
DOIs
Publication statusPublished - 01-08-2018
Externally publishedYes

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Visual Fields
Glaucoma
Surveys and Questionnaires
Cross-Sectional Studies
Quality of Life
Confidence Intervals
Light

All Science Journal Classification (ASJC) codes

  • Ophthalmology

Cite this

Daruka, Ravi ; Kuzhuppilly, Neetha I.R. ; Dev, Shibi ; Patil, Shilpa N. ; Rajendraprasad, Sandhya. / Correlation of central field index (10-2 visual field analysis) and activity limitation with increasing severity of glaucoma using glaucoma activity limitation-9 questionnaire. In: Indian Journal of Ophthalmology. 2018 ; Vol. 66, No. 8. pp. 1098-1103.
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abstract = "Purpose: The purpose of the study was to analyze the correlation between central field index (CFI) and activity limitation in glaucoma using glaucoma activity limitation-9 (GAL-9) questionnaire. Methods: This hospital-based, cross-sectional, noninterventional study, included 50 patients diagnosed with glaucoma, with field defect encroaching onto central 10° in Humphrey field analysis 30-2 program, in at least one eye. These patients underwent central 10-2 field analysis and CFI was calculated with the help of a calculator created by us. Patients with severe cognitive impairment were excluded and the rest completed the GAL-9 questionnaire. The data was analyzed to determine the correlation between the CFI and the GAL-9 scores. Results: There was a moderate correlation between CFI of better eye (r =-0.431, confidence interval 'CI'-0.619 to-0.173, P < 0.002) and worse eye (r =-0.342, CI:-0.575 to-0.058, P < 0.015) with GAL-9, the better eye showing a stronger correlation. Mean deviations (MD) of both better (r =-0.345, CI:-0.556 to-0.069, P < 0.014) and worse eye (r =-0.346, CI:-0.578 to-0.063 P < 0.014) showed similar moderate correlation. Vision of better eye (r =-0.398, CI:-0.577 to-0.210, P < 0.004) showed a stronger correlation with GAL-9 score than worse eye (r =-0.188, CI:-0.475 to 0.100, P < 0.192). Subscales of GAL-9 questionnaire also correlated with better eye status. 'Finding dropped objects' had the strongest correlation to CFI of better eye (r =-0.676) and 'adjusting to dim lights' had the weakest correlation (r =-0.052). Conclusion: The better eye status in glaucoma patients correlated better than worse eye with regard to activity limitation, signifying that the better eye has a greater influence on the quality of life and how patients perceive their disability. Furthermore, CFI showed a better correlation with GAL-9 score than MD.",
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Correlation of central field index (10-2 visual field analysis) and activity limitation with increasing severity of glaucoma using glaucoma activity limitation-9 questionnaire. / Daruka, Ravi; Kuzhuppilly, Neetha I.R.; Dev, Shibi; Patil, Shilpa N.; Rajendraprasad, Sandhya.

In: Indian Journal of Ophthalmology, Vol. 66, No. 8, 01.08.2018, p. 1098-1103.

Research output: Contribution to journalArticle

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T1 - Correlation of central field index (10-2 visual field analysis) and activity limitation with increasing severity of glaucoma using glaucoma activity limitation-9 questionnaire

AU - Daruka, Ravi

AU - Kuzhuppilly, Neetha I.R.

AU - Dev, Shibi

AU - Patil, Shilpa N.

AU - Rajendraprasad, Sandhya

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N2 - Purpose: The purpose of the study was to analyze the correlation between central field index (CFI) and activity limitation in glaucoma using glaucoma activity limitation-9 (GAL-9) questionnaire. Methods: This hospital-based, cross-sectional, noninterventional study, included 50 patients diagnosed with glaucoma, with field defect encroaching onto central 10° in Humphrey field analysis 30-2 program, in at least one eye. These patients underwent central 10-2 field analysis and CFI was calculated with the help of a calculator created by us. Patients with severe cognitive impairment were excluded and the rest completed the GAL-9 questionnaire. The data was analyzed to determine the correlation between the CFI and the GAL-9 scores. Results: There was a moderate correlation between CFI of better eye (r =-0.431, confidence interval 'CI'-0.619 to-0.173, P < 0.002) and worse eye (r =-0.342, CI:-0.575 to-0.058, P < 0.015) with GAL-9, the better eye showing a stronger correlation. Mean deviations (MD) of both better (r =-0.345, CI:-0.556 to-0.069, P < 0.014) and worse eye (r =-0.346, CI:-0.578 to-0.063 P < 0.014) showed similar moderate correlation. Vision of better eye (r =-0.398, CI:-0.577 to-0.210, P < 0.004) showed a stronger correlation with GAL-9 score than worse eye (r =-0.188, CI:-0.475 to 0.100, P < 0.192). Subscales of GAL-9 questionnaire also correlated with better eye status. 'Finding dropped objects' had the strongest correlation to CFI of better eye (r =-0.676) and 'adjusting to dim lights' had the weakest correlation (r =-0.052). Conclusion: The better eye status in glaucoma patients correlated better than worse eye with regard to activity limitation, signifying that the better eye has a greater influence on the quality of life and how patients perceive their disability. Furthermore, CFI showed a better correlation with GAL-9 score than MD.

AB - Purpose: The purpose of the study was to analyze the correlation between central field index (CFI) and activity limitation in glaucoma using glaucoma activity limitation-9 (GAL-9) questionnaire. Methods: This hospital-based, cross-sectional, noninterventional study, included 50 patients diagnosed with glaucoma, with field defect encroaching onto central 10° in Humphrey field analysis 30-2 program, in at least one eye. These patients underwent central 10-2 field analysis and CFI was calculated with the help of a calculator created by us. Patients with severe cognitive impairment were excluded and the rest completed the GAL-9 questionnaire. The data was analyzed to determine the correlation between the CFI and the GAL-9 scores. Results: There was a moderate correlation between CFI of better eye (r =-0.431, confidence interval 'CI'-0.619 to-0.173, P < 0.002) and worse eye (r =-0.342, CI:-0.575 to-0.058, P < 0.015) with GAL-9, the better eye showing a stronger correlation. Mean deviations (MD) of both better (r =-0.345, CI:-0.556 to-0.069, P < 0.014) and worse eye (r =-0.346, CI:-0.578 to-0.063 P < 0.014) showed similar moderate correlation. Vision of better eye (r =-0.398, CI:-0.577 to-0.210, P < 0.004) showed a stronger correlation with GAL-9 score than worse eye (r =-0.188, CI:-0.475 to 0.100, P < 0.192). Subscales of GAL-9 questionnaire also correlated with better eye status. 'Finding dropped objects' had the strongest correlation to CFI of better eye (r =-0.676) and 'adjusting to dim lights' had the weakest correlation (r =-0.052). Conclusion: The better eye status in glaucoma patients correlated better than worse eye with regard to activity limitation, signifying that the better eye has a greater influence on the quality of life and how patients perceive their disability. Furthermore, CFI showed a better correlation with GAL-9 score than MD.

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