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Predicting progression to glaucoma in ocular hypertensive patients
Nicholas G Strouthidis1, Stuart K Gardiner, Victoria M F Owen
1Glaucoma Research Unit, NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust, UCL Institute of Ophthalmology, London, UK.
Journal of Glaucoma
|September 5, 2009
Summary
Moorfields Regression Analysis (MRA) and Glaucoma Probability Score (GPS) classifications can predict glaucoma progression in ocular hypertensive eyes. Abnormal MRA at baseline is a key indicator of future Heidelberg Retina Tomograph (HRT) or visual field changes.
Area of Science:
- Ophthalmology
- Glaucoma research
- Retinal imaging analysis
Background:
- Ocular hypertension is a risk factor for glaucoma.
- Early detection of glaucomatous progression is crucial for timely intervention.
- Heidelberg Retina Tomograph (HRT) and visual field (VF) testing are standard diagnostic tools.
Purpose of the Study:
- To evaluate the predictive capability of baseline HRT Moorfields Regression Analysis (MRA) and Glaucoma Probability Score (GPS) for glaucomatous progression.
- To determine if MRA and GPS classifications can identify ocular hypertensive eyes at risk of developing glaucoma.
Main Methods:
- 198 ocular hypertensive subjects were monitored from 1993 to 2001.
- HRT and VF progression were assessed using linear regression.
- Baseline MRA and GPS classifications were analyzed for their association with progression using odds ratios (ORs).
Main Results:
- Abnormal superotemporal MRA independently predicted HRT progression (OR 3.05).
- Abnormal MRA in multiple locations (global, temporal) predicted HRT or VF progression (OR range: 1.77-2.54).
- Abnormal GPS was not predictive; however, combined abnormal MRA and GPS showed higher ORs for progression.
Conclusions:
- Baseline abnormal MRA classifications are significant predictors of glaucomatous progression in ocular hypertensive individuals.
- Combined MRA and GPS abnormalities may indicate a higher risk of visual field or HRT changes.
- These findings support the use of MRA in risk stratification for ocular hypertension.
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