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Horizontal and vertical angle kappa


Sturm, V; Kraft, S P; Landau, K (2011). Horizontal and vertical angle kappa. Klinische Monatsblätter für Augenheilkunde, 228(4):322-325.

Abstract

Background: The aim of this study is to report the geometric range of angle kappa formation in patients with and without strabismus. Patients and Methods: This is a retrospective study of three patients with angle kappa in different planes. Routine eye examinations, including visual acuity, slit-lamp examination, and ophthalmoscopy, were performed. A thorough orthoptic examination revealed a notable difference between the prism and alternate-cover test and the Hirschberg measurements. Results: The first patient exhibited a bilateral vertical angle kappa into opposite directions due to retinochoroidal scars. Two other patients presented with horizontal angle kappa deviations. In one patient a true accommodative esotropia was exaggerated by a right negative angle kappa. The other patient had a pseudoexotropia due to bilateral positive angle kappa. Macular ectopia was noted in all cases. Conclusions: The patients herein reported demonstrate a marked variability of angle kappa occurrence in the horizontal and vertical plane. The angle kappa can exaggerate or conceal the size of the true heterotropia.

Background: The aim of this study is to report the geometric range of angle kappa formation in patients with and without strabismus. Patients and Methods: This is a retrospective study of three patients with angle kappa in different planes. Routine eye examinations, including visual acuity, slit-lamp examination, and ophthalmoscopy, were performed. A thorough orthoptic examination revealed a notable difference between the prism and alternate-cover test and the Hirschberg measurements. Results: The first patient exhibited a bilateral vertical angle kappa into opposite directions due to retinochoroidal scars. Two other patients presented with horizontal angle kappa deviations. In one patient a true accommodative esotropia was exaggerated by a right negative angle kappa. The other patient had a pseudoexotropia due to bilateral positive angle kappa. Macular ectopia was noted in all cases. Conclusions: The patients herein reported demonstrate a marked variability of angle kappa occurrence in the horizontal and vertical plane. The angle kappa can exaggerate or conceal the size of the true heterotropia.

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Additional indexing

Other titles:Winkel Kappa in horizontaler und vertikaler Ebene
Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Ophthalmology Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2011
Deposited On:07 Dec 2011 08:46
Last Modified:05 Apr 2016 15:13
Publisher:Thieme
ISSN:0023-2165
Publisher DOI:10.1055/ s-0031-1273212
PubMed ID:21484638
Permanent URL: http://doi.org/10.5167/uzh-52716

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