Range of Ocular Duction in Various Age Groups among Normal Thai Populatio

Not Applicable

Active, not recruiting

• Conditions: normal Thai population; ocular duction; extraocular muscle movement; version; Thai population; age

• Registration Number: TCTR20160412002
• Lead Sponsor: Ratchadapiseksompotch Fund

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2016-04-12
• Study Completion: 2016-06-15
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Active, not recruiting
• Sex: All
• Target Recruitment: 140

Inclusion Criteria

1. Patients and their relatives who come to Chulalongkorn Memorial Hospital
2. Attending physicians, residents and ancillary staff of Chulalongkorn Memorial Hospital 3. Age of subjects: 11-80 years old
4. Best corrected visual acuity of or better than 20/70 of both eyes

Exclusion Criteria

Subjects who have history of
1. Neurological diseases
2. Strabismic diseases; identify as any degree of heterotropia, more than 10 PD (prism diopters) of heterophoria, eccentric fixation or angle kappa
3. Thyroid eye diseases
4. Orbital diseases
5. Previous ocular or periocular surgery
6. High hyperopia (> +6.00 D) or high myopia (> -6.00 D)
7. Eyelid abnormalities
8. Anterior segment abnormalities that prevent visualization of corneal light reflex and ocular motility eg.symblepharon, Steven Johnson syndrome with ocular involvement
9. Corneal opacity and abnormal corneal diameter (<10 or >12 mm)
10. Pupil size and shape abnormalities

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
range of ocular adduction, abduction, elevation, and depression collect data immediately prism diopters,range of ocular adduction, abduction, elevation, and depression prism diopters

Secondary Outcome Measures

Name	Time	Method
predictive factors that affects the differences of range of ocular duction after data analyzation names of predictive factors