Scene and human face recognition in the central vision of patients with glaucoma

PloS One
Alexia Roux-SibilonCarole Peyrin

Abstract

Primary open-angle glaucoma (POAG) firstly mainly affects peripheral vision. Current behavioral studies support the idea that visual defects of patients with POAG extend into parts of the central visual field classified as normal by static automated perimetry analysis. This is particularly true for visual tasks involving processes of a higher level than mere detection. The purpose of this study was to assess visual abilities of POAG patients in central vision. Patients were assigned to two groups following a visual field examination (Humphrey 24-2 SITA-Standard test). Patients with both peripheral and central defects and patients with peripheral but no central defect, as well as age-matched controls, participated in the experiment. All participants had to perform two visual tasks where low-contrast stimuli were presented in the central 6° of the visual field. A categorization task of scene images and human face images assessed high-level visual recognition abilities. In contrast, a detection task using the same stimuli assessed low-level visual function. The difference in performance between detection and categorization revealed the cost of high-level visual processing. Compared to controls, patients with a central visual defec...Continue Reading

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Citations

Oct 29, 2018·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Cassia SengerJayter Silva Paula
Jun 4, 2019·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Livia S MazzoliNiro Kasahara
Apr 19, 2020·Optometry and Vision Science : Official Publication of the American Academy of Optometry·Aude DenoyelleMuriel Boucart
Dec 28, 2019·Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)·Pete R JonesDavid P Crabb
Dec 4, 2020·PloS One·Diaa Salama AbdELminaamElsayed Badr
Oct 20, 2020·Journal of Glaucoma·Aymeric StievenardMuriel Boucart
Feb 9, 2021·Ophthalmology. Glaucoma·Clémentine GarricQuentin Lenoble
Oct 16, 2020·Optometry and Vision Science : Official Publication of the American Academy of Optometry·Muriel BoucartJean François Rouland
Apr 8, 2020·Vision Research·Audrey TrouilloudCarole Peyrin

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