Correlation Between Visual Function and Performance of Simulated Daily Living Activities in Glaucomatous Patients

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Purpose:To analyze the correlations between functional clinical tests and the performance of glaucoma patients in simulated daily living activities.Patients and Methods:Thirty-two patients with chronic glaucoma, followed at the Quinze-Vingts National Ophthalmology Hospital, were included. All patients had a clinical evaluation of visual function including best-corrected visual acuity, contrast sensitivity, and monocular and binocular visual field (VF) tests. Four different simulated activities of daily living were evaluated in standardized artificial platforms (StreetLab and HomeLab): “mobility” and an obstacle avoidance task in an artificial street, “reaching and grasping” large and small objects on a kitchen work surface, “localization of people” and “face orientation recognition.” Patient performance in the different tasks was correlated with VF evaluation including integrated binocular visual field (IVF), VF mean deviation (MD) of the better and the worse eye, Esterman binocular VF, best-corrected visual acuity, and contrast sensitivity.Results:The IVF score was significantly correlated with “localization of people” time (r=0.49; P=0.003), “face orientation recognition” time (r=0.50; P=0.002), and “movement onset” for reaching and grasping small objects (r=0.38; P=0.029). The MD of the better eye appeared significantly correlated with “face orientation recognition” time (r=−0.44; P=0.009) and “localization of people” time (r=−0.46; P=0.005). The Esterman score appeared significantly correlated with “mobility time” (r=−0.40; P=0.018), “localization of people” (r=−0.37; P=0.030), “face orientation recognition” times (r=−0.39; P=0.024), and “movement onset” for reaching and grasping large objects (r=−0.43; P=0.015).Conclusions:The IVF score and the MD of the better eye appeared to better evaluate “reaching and grasping,” “face orientation recognition,” and “localization of people” simulated tasks, whereas for the “mobility” task, the Esterman VF seemed more useful. The precise evaluation of the glaucoma patient’s ability to perform everyday life tasks is complex and may require both monocular and binocular VF tests.

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