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Visual fixation dev...
Visual fixation development in children.
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- Aring, Eva, 1959 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation,Institute of Neuroscience and Physiology/Ophthalmology, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden
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- Grönlund, Marita Andersson, 1959 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation,Institute of Neuroscience and Physiology/Ophthalmology, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden
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- Hellström, Ann, 1959 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation,Institute of Neuroscience and Physiology/Ophthalmology, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden; International Paediatric Growth Research Centre, Department of Paediatrics, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden
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- Ygge, Jan (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2007-04-24
- 2007
- Engelska.
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Ingår i: Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie. - : Springer Science and Business Media LLC. - 0721-832X .- 1435-702X. ; 245:11, s. 1659-65
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- BACKGROUND: The ability to keep steady fixation on a target is one of several aspects of good visual function. However, there are few reports on visual fixation during childhood in healthy children. METHODS: An infrared eye-tracking device (Orbit) was used to analyse binocular fixation behaviour in 135 non-clinical participants aged 4-15 years. The children wore goggles and their heads were restrained using a chin and forehead rest, while binocularly fixating a stationary target for 20 s. RESULTS: The density of fixations around the centre of gravity increased with increasing age (p < 0.01), and the time of fixation without intruding movements increased with increasing age (p = 0.02), while intruding saccades decreased with increasing age (p < 0.01). The number of blinks and drifts did not differ between 4 and 15 years, and there were no significant differences with regard to gender or laterality in any of the investigated variables. No nystagmus was observed. CONCLUSION: This study establishes values for visual fixation behaviour in a non-clinical population aged 4-15 years, which can be used for identifying children with fixation abnormalities.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
Nyckelord
- Adolescent
- Aging
- physiology
- Blinking
- Child
- Child
- Preschool
- Diagnostic Techniques
- Ophthalmological
- Fixation
- Ocular
- physiology
- Humans
- Reference Values
- Saccades
- physiology
- Vision
- Binocular
- physiology
- Blinks
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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