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2019-15: Comparing test-retest variability of Compass perimetry with the Humphrey Field Analyzer at the edges of glaucomatous scotomas

Medical devices and techniques
Investigator Initiated Research
Inclusion open since 17-10-2019

Early and accurate detection of progression is essential for preventing further irreversible visual field loss in the glaucoma patient. Visual field loss is most commonly tested with the Humphrey Field Analyzer (HFA). However, the HFA shows high measurement variability, notably at the borders of scotomas, making it difficult to determine if a scotoma is stable or shows progression. This variability may in part be due to gaze instability. By using an eye tracker that can compensate for this gaze instability, the Compass fundus perimeter (CMP) could lower the variability at scotoma borders. However, the test-retest variability at the edges of scotomas with the CMP has not yet been explored.

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