The irvine prism test: does the positive response indicate suppression scotoma?

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dc.authorscopusid56063179200
dc.contributor.authorTomaç, Sühan
dc.date.accessioned2024-09-19T15:48:45Z
dc.date.available2024-09-19T15:48:45Z
dc.date.issued2005
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractPURPOSE: To investigate whether the positive prism test response is due to the presence of a suppression scotoma or the absence of bifoveolar fixation. METHODS: Fifty-one subjects with esotropia (microtropia, small-, moderate- or large-angle esotropia), and 22 subjects with nonstrabismic anisometropic amblyopia were examined. The prism test was performed by using base-out prisms of two different powers (4-PD and 30-PD), and base-in prism of 20-PD, as well as base-down prism of 10-PD for each subject. RESULTS: All the subjects with esotropia showed a positive prism test response, whereas all the subjects with nonstrabismic anisometropic amblyopia had a negative prism test response. All the esotropic subjects showed positive response to all magnitudes and positions of the prisms tested. CONCLUSIONS: The positive response to the prism test does not indicate suppression scotoma in subjects with microtropia and small-angle esotropia because all the esotropic subjects showed the positive response regardless of the amount of deviation or the sensorial adaptation mechanisms. Also, the positive response, seen in the esotropic subjects, did not alter to negative by using the prisms of different powers and directions.en_US
dc.identifier.doi10.1007/s10792-006-0004-8
dc.identifier.endpage72en_US
dc.identifier.issn0165-5701
dc.identifier.issue1.Şuben_US
dc.identifier.pmid16786178en_US
dc.identifier.scopus2-s2.0-33750702891en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage67en_US
dc.identifier.urihttps://doi.org/10.1007/s10792-006-0004-8
dc.identifier.urihttps://hdl.handle.net/20.500.12483/15290
dc.identifier.volume26en_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.relation.ispartofInternational ophthalmologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAdolescenten_US
dc.subjectAdulten_US
dc.subjectChilden_US
dc.subjectEsotropiaen_US
dc.subjectEyeglassesen_US
dc.subjectFixation, Ocularen_US
dc.subjectFollow-Up Studiesen_US
dc.subjectHumansen_US
dc.subjectMiddle Ageden_US
dc.subjectReproducibility of Resultsen_US
dc.subjectScotomaen_US
dc.subjectVision Testsen_US
dc.subjectVisual Acuityen_US
dc.subjectMLCSen_US
dc.subjectMLOWNen_US
dc.subjectadolescenten_US
dc.subjectadulten_US
dc.subjectarticleen_US
dc.subjectchilden_US
dc.subjectconvergent strabismusen_US
dc.subjecteye fixationen_US
dc.subjectfollow upen_US
dc.subjecthumanen_US
dc.subjectinstrumentationen_US
dc.subjectmiddle ageden_US
dc.subjectpathophysiologyen_US
dc.subjectphysiologyen_US
dc.subjectreproducibilityen_US
dc.subjectscotomaen_US
dc.subjectspectaclesen_US
dc.subjectvision testen_US
dc.subjectvisual acuityen_US
dc.titleThe irvine prism test: does the positive response indicate suppression scotoma?en_US
dc.typeArticleen_US

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