Effect of colored-contact lens on visual field

• Conditions: ormal healthy volunteers; Normal healthy volunteers

• Registration Number: TCTR20200508003
• Lead Sponsor: Faculty of Medicine Siriraj Hospital, Mahidol University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-05-08
• Study Completion: 2023-02-16
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: nknown
• Sex: All
• Target Recruitment: Not specified

Inclusion Criteria

currently using contact lens
BCVA >/=6/6
refractive error after fitting contact lens : Spherical equivalent </=0.5D , eye different </=0.5D
No other eye diseases
Not using any drugs that effect pupil size

Exclusion Criteria

The patient who has neurological disease that will affect pupil size, any eye diseases that will effect visual field measurement, allergic to contact lens, cannot do the visual field test
The power of colored-contact lens is not available

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
the width of visual field at the time of intervention Automated kinetic visual field test

Secondary Outcome Measures

Name	Time	Method
pupil size at the time of intervention pupillometer