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Stereoscopic perception of 3D images in patients after surgery for esotropia Takao Endo 1 , Takashi Fujikado 2 , Takeshi Morimoto 2 , Kohji Nishida 1 1Dept of Ophthalmol, Osaka Univ Grad Sch of Med 2Dept of Applied Vis Sci, Osaka Univ Sch of Med pp.1489-1494
Published Date 2013/9/15
DOI https://doi.org/10.11477/mf.1410104900
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Abstract. Purpose:In general, esotropia patients have poor stereopsis and cannot enjoy 3D images such as movies or video games. We investigated the stereopsis of esotropia patients who had strabismus surgery. Cases and Methods:27 esotropia patients who had strabismus operations were examined. They had alternative prism cover test, 4-dot test, Titmus fly test and questionnaire about their subjective vision of 3D attractions and 3D movies. Result:More patients could see 3D attractions stereoscopically than fly test or 3D movies. The tendency was significant in infantile esotropia patients(p=0.013). Patients who could see fly test stereoscopically had smaller suppression scotoma in 4 dot test than patients who could not(p=0.03). The difference was not significant in 3D attractions. Conclusion:3D attractions have crossed large disparity and protruded image, therefore they tend to be viewed stereoscopically easily. Size of suppression scotoma, visual angle and disparity may be responsible for the difference.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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