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How safe are coloured contact lenses illegally sold on street in Thailand?

How safe are coloured contact lenses illegally sold on street in Thailand?

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20171019002
Enrollment
Unknown
Registered
2017-10-19
Start date
2015-10-06
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

contaminated contact lens coloured contact lens

Interventions

Colored contact lens that illegally sold in Bangkok
Health Services Research
Colored contact lens

Sponsors

Thammasat university
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: N/A

Exclusion criteria

Exclusion criteria: N/A

Design outcomes

Primary

MeasureTime frame
To assess the incidence of contamination from bacteria, fungus, and protozoa in colored contact lens 72 hr after on plate microbial culture—

Secondary

MeasureTime frame
to specify contaminated microbial species by microbial culture in order to generate empiric 72 hr after on plate microbial culture and sensitivity test for antimicrobial—

Countries

Thailand

Contacts

Public ContactNavapol Kanchanaranya

Thammasat University

navapolk@gmail.com0836138537

Outcome results

None listed

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