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Effect of colored-contact lens on visual field

Effect of colored-contact lens on visual field

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20200508003
Enrollment
Unknown
Registered
2020-05-08
Start date
2020-02-17
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Normal healthy volunteers Normal healthy volunteers

Interventions

colored&#45
contact lens
Active Comparator Device
use colored&#45

Sponsors

Faculty of Medicine Siriraj Hospital, Mahidol University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 40 Years

Inclusion criteria

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

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

Design outcomes

Primary

MeasureTime frame
the width of visual field at the time of intervention Automated kinetic visual field test—

Secondary

MeasureTime frame
pupil size at the time of intervention pupillometer—

Countries

Thailand

Contacts

Public ContactAtiporn Thuangtong

Faculty of Medicine Siriraj Hospital, Mahidol University

atipornpam@yahoo.com0909905135

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026