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Whereas several studies have reported on quantitative oculomotor and vestibular measurements in Friedreich\u2019s Ataxia (FRDA), the value of specific oculomotor paradigms remains unclear. We aimed to address this knowledge gap through a systematic literature review and providing disease-specific recommendations for a tailored set of eye-movement recordings in FRDA. MEDLINE and Embase were searched for studies reporting on quantitative oculomotor and\/or vestibular measurements in FRDA-patients. Data on oculomotor and vestibular parameters were extracted and correlations with a range of clinical parameters were sought. Included studies (<jats:italic>n<\/jats:italic>\u2009=\u200917) reported on 185 patients. Abnormalities observed included the presence of saccadic intrusions (143\/161) such as square-wave jerks (SWJ, 90\/109) and ocular flutter (21\/43), impaired eccentric gaze-holding (40\/104), abnormal pursuit (81\/93) and angular vestibulo-ocular reflex (aVOR) deficits (39\/48). For visually-guided saccades (VGS), we frequently observed increases in saccade latency (27\/38) and dysmetric saccades (71\/93), whereas saccade velocity was more often preserved (37\/43). Augmented anti-saccade (AS) latency, downbeat nystagmus and frequent macro-SWJ correlated with disease duration. Increased AS-latency and VGS-latency, frequent macro-SWJ, reduced aVOR-gain and augmented aVOR peak-latency correlated with disease severity. A broad range of oculomotor and vestibular deficits are documented in the literature. Impairments in pursuit, saccades and aVOR-responses are most commonly reported, and as such, should be prioritized as disease markers. Quantitative oculomotor testing in FRDA may facilitate early diagnosis and prove valuable in monitoring disease progression and treatment response.<\/jats:p>","DOI":"10.1007\/s12311-024-01716-8","type":"journal-article","created":{"date-parts":[[2024,7,27]],"date-time":"2024-07-27T06:02:36Z","timestamp":1722060156000},"page":"2269-2284","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Oculomotor and Vestibular Deficits in Friedreich Ataxia - Systematic Review and Meta-Analysis of Quantitative Measurements"],"prefix":"10.1007","volume":"23","author":[{"given":"E.","family":"Sohns","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D. J.","family":"Szmulewicz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. 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