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Dukcija

Dukcija je takav pokret oka koji uključuje samo jedno oko.[1] Općenito postoji šest mogućih načina pokretanja oka koji ovise o osi rotacije oka:

1. Abdukcija koja se odnosi na vanjski pokret jednog oka

2. Adukcija koja se odnosi na unutarnji pokret jednog oka

3. Gornja adukcija / sursumdukcija / podizanje

4. Donja adukcija / deorsumdukcija / spuštanje

5. Inciklodukcija / intorzija

6. Eksciklodukcija / ekstorzija

Test forsirane dukcije

Test forsirane dukcije provodi se da bi se odredilo je li odsutnost pokreta oka uzrokovana neurološkim poremećajem ili mehaničkim oštećenjem.[2]

Anestezirana spojnica uhvati se malom pincetom, pa se očna jabučica pokuša pomaknuti u smjeru u kojem je pokret onemogućen. U slučaju mehaničkog oštećenja nije moguće pasivno pomicanje očne jabučice.[3]

Taj test je poluinvazivan.

Izvori

  1. ↑ Kanski, JJ. Clinical Ophthalmology: A Systematic Approach. Boston:Butterworth-Heinemann;1989.
  2. ↑ Forced duction - definition from Biology-Online.org. Inačica izvorne stranice arhivirana 3. ožujka 2016. Pristupljeno 4. veljače 2009.
  3. ↑ Kunimoto D, Kanitkar K & Makar M. The Wills Eye Manual. Office and Emergency Room Diagnosis and Treatment of Eye Disease. Fourth Edition. Lippincott Williams & Wilkins; 2004

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