The Analysis of Ocular Deviations Between Dominant and Non-dominant Eye Using Video-oculography (VOG) in Intermittent Exotropia

NCT ID: NCT03641040

Last Updated: 2018-08-23

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-12-21

Study Completion Date

2020-03-31

Brief Summary

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Fifteen subjects with intermittent exotropia were included. The subjects were asked to fixate on a black-on-white optotype at 1 m, which subtended a visual angle of 50 min of arc, equating to a Snellen optotype of 20/200. The video files and data about ocular deviations were obtained using VOG with alternate cover test. Investigators analyzed angles of ocular deviations in dominant and non-dominant eyes, compared with values of VOG and deviation angles of the alternative prism cover test.

Detailed Description

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Conditions

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Intermittent Exotropia Strabismus

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

SINGLE

Investigators

Study Groups

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VOG group

Measurement: Video-oculography(VOG) measure and analyze angles of ocular deviations between dominant and non-dominant eye using VOG with alternate cover.

Group Type EXPERIMENTAL

Video-oculography

Intervention Type DIAGNOSTIC_TEST

measure and analyze angles of ocular deviations between dominant and non-dominant eye using VOG with alternate cover.

APCT group

Measurement: Alternative prism cover test(APCT) measure and analyze angles of ocular deviations between dominant and non-dominant eye using APCT

Group Type ACTIVE_COMPARATOR

Alternative prism cover test

Intervention Type DIAGNOSTIC_TEST

measure and analyze angles of ocular deviations between dominant and non-dominant eye using APCT

Interventions

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Video-oculography

measure and analyze angles of ocular deviations between dominant and non-dominant eye using VOG with alternate cover.

Intervention Type DIAGNOSTIC_TEST

Alternative prism cover test

measure and analyze angles of ocular deviations between dominant and non-dominant eye using APCT

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Visual acuity \>= 1.0/1.0
* Intermittent exotropia
* Cooperative

Exclusion Criteria

* Other eye disease
* Have hyperopia, myopia \> 2 diopter
* Have horizontal strabismus \> 50 prism diopter
* Not cooperative, no agree
Minimum Eligible Age

5 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Inje University

OTHER

Sponsor Role lead

Responsible Party

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Sung-Hyuk Moon

professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Busan Paik hospital

Busan, , South Korea

Site Status

Countries

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South Korea

Other Identifiers

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IJ1357913579

Identifier Type: -

Identifier Source: org_study_id

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