Thirty-four subjects with constant exotropia were included. Two independent ophthalmologists measured the angle of ocular deviation using alternate prism cover test (APCT). The video files and data with the changes in ocular deviation during the alternate cover test were obtained using video-oculography (VOG). To verify the accuracy of VOG, Investigator compared the value obtained using VOG and the angle of a rotating model eye, and subsequently made a new linear equation using these data. The calculated values obtained using VOG were compared with those obtained using APCT to determine the diagnostic accuracy of VOG.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
DIAGNOSTIC
Masking
SINGLE
Enrollment
34
Diagnostic Method for Exotropia Using Video-oculography
alternative prism cover test
Busan Paik hospital
Busan, South Korea
The angle of ocular deviation (degree,°) measured by VOG and PCT
strabismic angle (degree,°) measured by VOG and PCT
Time frame: 2 weeks after approval
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