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A Randomized,Double Masked, Crossover Trial To Evaluate Safety And Efficacy Of Imported And Local Made Contact Lens For Refractive Error Correction In Mettapracharak (Wat Rai Khing) Hospital, Nakorn Pathom Province

A Randomized,Double Masked, Crossover Trial To Evaluate Safety And Efficacy Of Imported And Local Made Contact Lens For Refractive Error Correction In Mettapracharak (Wat Rai Khing) Hospital, Nakorn Pathom Province

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20161009002
Enrollment
40
Registered
2016-10-09
Start date
2016-10-05
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

safety and efficacy of local made contact lens and imported contact lens and also subjective acceptance of these contact lens refractive error&#44

Interventions

local made contact lens with same designs and contact lens parameters as imported contact lens ,imported made contact lens with same designs and contact lens parameters as local made contact lens
Active Comparator Device,Active Comparator Device
local made contact lens ,imported contact lens

Sponsors

Dueba contact lens company limited
Lead Sponsor
Mettapracharak (Wat Rai Khing) Hospital
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. normal ocular heath without medication use 2. age at least 18 years 3. require contact lens power between 0.00 to -10.00 diopter 4. Manifest cylinder equal to or less than -0.75 diopter 5. BSCVA : best spectacle corrected visual acuity at least 20/25 (LogMAR 0.1)

Exclusion criteria

Exclusion criteria: 1. Infection ,inflammation or abnormality of the anterior segment of eye 2. Contraindication for contact lens usage 3. Current ocular or systemic medications that against contact lens usage 4. History of herpes simplex kertitis 5. History of laser vision correction or irregular corneal surface 6. Corneal neo-vascularization more than 1 mm 7. Severe dry eye 8. Subjects of other contact lens or contact lens solution within 30 days 9. Can not wear or take off contact lens without supervision or help 10. During pregnancy or lactarion

Design outcomes

Primary

MeasureTime frame
Best Corrected Visual Acuity 1 month ETDRS chart—

Secondary

MeasureTime frame
Subjective acceptance 1 month questionaires—

Contacts

Public Contactvatookarn roongpoovapatr

Mettapracharak (Wat Rai Khing) Hospital

drvatookarn@gmail.com034225832

Outcome results

None listed

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