Uitgebreide samenvatting over de verschillende Accommodatie en Convergentie stoornissen met afbeeldingen verkregen tijdens de hoorcolleges en werkcolleges van BINO1, gegeven door Marten Fortuin, Sonja Zinken, Ina Wittering, Sophie van Gemert en Anina Louw
Afbeelding met het verloop van de zenuwbanen die betrokken zijn bij de optische
refexen.
Normale accommodate
Om zowel dichtbij als veraf scherp te kunnen zien past het oog zich aan door de vorm van de
lens te veranderen. De lens regelt de mate waarin invallend licht wordt gebroken.
- Om scherp te kunnen zien moeten lichtstralen van voorwerpen dichtbij sterker
worden gebroken dan die van voorwerpen veraf dit noemen we accommoderen
Accommodatie wordt mogelijk gemaakt door het samentrekken van de
inwendige accommodatiespieren M. CiliarisI rond de ooglens.
- Wanneer we scherp willen zien op afstand, zal de M. Ciliaris zich weer ontspannen.
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