Eye Movements in Macular Degeneration

In healthy vision, the fovea provides high acuity and serves as the locus for fixation achieved through saccadic eye movements. Bilateral loss of the foveal regions in both eyes causes individuals to adopt an eccentric locus for fixation. This review deals with the eye movement consequences of the l...

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Published inAnnual review of vision science Vol. 7; no. 1; pp. 773 - 791
Main Authors Verghese, Preeti, Vullings, Cécile, Shanidze, Natela
Format Journal Article
LanguageEnglish
Published United States Annual Reviews 15.09.2021
Subjects
adaptation
Eye Movements
fixation stability
Humans
Macular Degeneration
oculomotor reference
Pursuit, Smooth
saccade
Saccades
smooth pursuit
Vision, Ocular
saccade
adaptation
smooth pursuit
fixation stability
oculomotor reference
macular degeneration
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Summary:In healthy vision, the fovea provides high acuity and serves as the locus for fixation achieved through saccadic eye movements. Bilateral loss of the foveal regions in both eyes causes individuals to adopt an eccentric locus for fixation. This review deals with the eye movement consequences of the loss of the foveal oculomotor reference and the ability of individuals to use an eccentric fixation locus as the new oculomotor reference. Eye movements are an integral part of everyday activities, such as reading, searching for an item of interest, eye-hand coordination, navigation, or tracking an approaching car. We consider how these tasks are impacted by the need to use an eccentric locus for fixation and as a reference for eye movements, specifically saccadic and smooth pursuit eye movements.
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ISSN:2374-4642
2374-4650
DOI:10.1146/annurev-vision-100119-125555