Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/4201
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dc.contributor.authorÖzülken, Kemal-
dc.contributor.authorKızıltoprak, Hasan-
dc.date.accessioned2021-09-09T13:19:20Z-
dc.date.available2021-09-09T13:19:20Z-
dc.date.issued2019-
dc.identifier.citationOzulken, K., & Kiziltoprak, H. (2019). Objective Accommodation Amplitude Measurements Using a New Autorefractometer Device. Beyoglu Eye Journal, 4(3), 149-155.en_US
dc.identifier.issn2459 - 1777-
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/356522-
dc.identifier.urihttps://doi.org/10.14744/bej.2019.52724-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/4201-
dc.description.abstractObjectives: To measure the value of objective accommodation amplitude (AA) in patients using the new autorefractometer device and to evaluate the effects of age, refraction errors, pupil diameter on objective AA measurements. Methods: Three hundred subjects who were divided into five groups according to age were enrolled in this study. AA and pupil diameter were measured three times from both eyes using Tonoref III (NIDEK Co., Ltd.). Results: The mean AA was 1.6325±0.061 Diopter (D) (0.13-9.11 D). The mean AA values were statistically significantly different between the groups (p=0.000). It was not observed gender effect on AA (p=0.115). Although there was no significant difference between emmetropic and myopic groups, there were significant differences between emmetropic and hyperopic groups and also between myopic and hyperopic groups concerning AA (p=0.000, for both). A statistically significant difference was found for the mean AA between the groups with and without refractive surgery (p=0.028). Correlation analysis revealed that AA is increased as the mean pupil diameter increases (p=0.000, r=0.202) and the mean pupil diameter decreases with increasing age (p=0.000, r=-0.308). When the AA obtained from the patients in group 1 were compared with the AA values obtained by subjective accommodation tests, the AA values obtained by autorefractometer device were found to be correlated with push up, push down and minus lens tests (r=0.577, r=0.682, r=0.427) AA values obtained by autorefractometer device were found to be statistically significantly lower than other subjective tests (p< 0.001). Conclusion: The Tonoref III device seems to provide objective AA measurements in presbyopic or non-presbyopic individuals. Age, refractive error, pupil diameter and history of refractive surgery were effective on AA values, while the gender was not effective.en_US
dc.language.isoenen_US
dc.publisherUniversity of Health Sciences, Beyoglu Eye Training and Research Hospitaen_US
dc.publisherSağlık Bilimleri Üniversitesi, Beyoglu Göz Egitim ve Araştırma Hastanesitr_TR
dc.relation.ispartofBeyoglu Eye Journalen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAmplitude of accommodationen_US
dc.subjectautorefractometeren_US
dc.subjectobjective accommodation testen_US
dc.subjectpupil diameteren_US
dc.subjectpresbyopiaen_US
dc.titleObjective Accommodation Amplitude Measurements Using a New Autorefractometer Deviceen_US
dc.typeArticleen_US
dc.departmentFaculties, School of Medicine, Department of Surgical Sciencesen_US
dc.departmentFakülteler, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümütr_TR
dc.identifier.volume4-
dc.identifier.issue3-
dc.identifier.startpage149-
dc.identifier.endpage155-
dc.authorid0000-0001-9963-7607-
dc.institutionauthorÖzülken, Kemal-
dc.identifier.doi10.14744/bej.2019.52724-
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.trdizinidTXpVMk5USXlNZz09-
dc.identifier.trdizinid356522en_US
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
Appears in Collections:Cerrahi Tıp Bilimleri Bölümü / Department of Surgical Sciences
TR Dizin İndeksli Yayınlar / TR Dizin Indexed Publications Collection
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