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Bilateral symmetry of corneal topography / 眼科
Article in Chinese | WPRIM | ID: wpr-680368
Responsible library: WPRO
ABSTRACT
Objective To compare the bilateral symmetry characters of corneal topography in patients with different refraction, age and gender.Design Retrospective case series.Participants 1000 eyes of 500 patients who were going to undergo corneal refractive surgery with myopia from 18 to 47 years old.Methods Bilateral corneal topography was obtained using TOMEY Version 3.30.Contact lenses had not been worn for more than a week before the examination,and patients with dry eye or other ocular and systemic diseases were excluded.Main Outcome Measures Symmetry and symmetric rates of corneal topography.Results Bilateral symmetry of loca- tion of the cone apex and refractionuniform 3.4%;almost symmetry 1.8%;approximately symmetry 79.0%;asymmetry 15.8%.The rates of bilateral symmetry in patients with different refraction0.05).Conclusions 80% of patients with myopia have bi- lateral symmetric corneal topography patterns.The rates of bilateral symmetry of corneal topography increase with the increase of spher- ical refraction(

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Ophthalmology in China Year: 1993 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Ophthalmology in China Year: 1993 Type: Article