Peripheral vision loss affects the processing of spatial frequencies in the central vision of people with glaucoma

Abstract : Glaucoma is an ocular disease characterized by a progressive vision loss starting with a deficit in peripheral vision. However, there is recent evidence of visual deficits even in the central vision of patients with glaucoma. We assessed the spatial frequency processing in the central vision of glaucomatous patients during scene categorization. Since glaucoma affects neurons with larger cell bodies early in the disease, we hypothesized early selective impairments for processing low spatial frequencies. Patients and age-matched controls were asked to categorize low-pass or high-pass filtered scene images presented in central vision. Results showed that patients classified as having early visual field defect had a selective deficit for low-pass filtered scenes, while patients with a more severe glaucoma were impaired in all spatial frequencies. The simple loss of peripheral vision could be detrimental to scene recognition in the relatively preserved central vision of patients.
Keywords : Peripheral vision
Type de document :
Poster
European Conference on Visual Perception, Aug 2018, Trieste, Italy
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https://hal.archives-ouvertes.fr/hal-01887270
Contributeur : Carole Peyrin <>
Soumis le : mercredi 3 octobre 2018 - 19:43:17
Dernière modification le : mercredi 27 février 2019 - 22:58:02
Document(s) archivé(s) le : vendredi 4 janvier 2019 - 15:41:57

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Audrey Trouilloud, Alexia Roux-Sibilon, Floriane Rutgé, Louise Kauffmann, Arnaud Attye, et al.. Peripheral vision loss affects the processing of spatial frequencies in the central vision of people with glaucoma. European Conference on Visual Perception, Aug 2018, Trieste, Italy. 〈hal-01887270〉

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