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The relationship between stereopsis and visual acuity after occlusion therapy for amblyopia

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Author(s)
Se Youp LeeSherwin J. Isenberg
Keimyung Author(s)
Lee, Se Youp
Department
Dept. of Ophthalmology (안과학)
Journal Title
Ophthalmology
Issued Date
2003
Volume
110
Issue
11
Abstract
Purpose: To investigate the relationship between visual acuity (VA) and stereoacuity after occlusion therapy
in patients with various types of amblyopia.
Design: Retrospective noncomparative case series.
Participants: Sixty-one children with amblyopia caused by anisometropia with no strabismus (26 children),
small angle ( 8 prism diopters) or intermittent strabismus (20), or both (15).
Methods: All were treated with occlusion therapy. Visual acuity and near stereopsis using the Titmus test
(Stereo Optical Inc., Chicago, IL) were measured at each clinic visit.
Main Outcome Measure: The change in near stereopsis relative to distance VA after occlusion therapy.
Results: Mean age at initiation of therapy was 5.1 years (range 3.5– 8) and mean follow-up 52.3 weeks
(range 13–192). Mean duration of occlusion was 36 weeks (range 12–102). After occlusion treatment, mean
VA of all children improved from 0.43 to 0.78 (P 0.0001), whereas mean stereoacuity improved from 1167.4
seconds of arc to 101 (P 0.0001). By the last visit, 85.2% (52 of 61) of patients demonstrated at least 2 lines of
improvement in VA. There was a significant linear relationship between VA and stereoacuity (P 0.001). The 26
anisometropic patients without strabismus enjoyed improvement in VA and stereopsis (P 0.0001) similar to that
of the 35 with small-angle or intermittent strabismus (P 0.0001).
Conclusions: When employing occlusion therapy for amblyopia (due to anisometropia, small-angle or
intermittent strabismus, or a combination), as VA improves, stereopsis generally also improves. Ophthalmology
2003;110:2088–2092
Keimyung Author(s)(Kor)
이세엽
Publisher
School of Medicine
Citation
Se Youp Lee and Sherwin J. Isenberg. (2003). The relationship between stereopsis and visual acuity after occlusion therapy for amblyopia. Ophthalmology, 110(11), 2088–2092. doi: 10.1016/S0161-6420(03)00865-0
Type
Article
ISSN
0161-6420
Source
https://www.sciencedirect.com/science/article/pii/S0161642003008650?via%3Dihub
DOI
10.1016/S0161-6420(03)00865-0
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33617
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Ophthalmology (안과학)
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