N/A
N=46
Treating Contact Lens Discomfort With Orthokeratology
Dry Eye · Contact Lens Complication
Bottom Line
View on ClinicalTrials.gov: NCT03566680 ↗Enrolled (actual)
46
Serious AEs
0.0%
Results posted
May 2020
Primary outcome: Primary: Contact Lens Comfort — 22.03; 9.83 Units on a Scale — p=<0.001
Study Design & Population
- Study type
- Interventional
- Phase
- N/A
- Interventions
- Orthokeratology (Device)
- Age
- Adult · 18+ yrs
- Sex
- All
- Sponsor
- University of Alabama at Birmingham
- Primary completion
- Apr 2019
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Contact Lens Comfort |
11.72; 4.27 | <0.001 sig |
| SECONDARY Contact Lens Comfort |
11.72; 4.27 | <0.001 sig |
| SECONDARY Contact Lens Comfort |
11.72; 4.27 | <0.001 sig |
| SECONDARY Non-Invasive Tear Break-Up Time |
12.25; 12.60 | 0.73 |
| SECONDARY Tear Meniscus Height |
0.27; 0.26 | 0.08 |
| SECONDARY Phenol Red Thread |
25.75; 27.67 | 0.72 |
Summary
The primary aim of this study is to understand if orthokeratology can be used to improve contact lens comfort and the secondary aim is understand patient adaptation to orthokeratology.
Eligibility Criteria
Inclusion Criteria
- A completed comprehensive eye exam within the past two years
- Contact lens discomfort or discontinuation of contact lenses because of discomfort within the past 6 months
- Able to wear the Emerald™ Contact Lens (Oprifocon A, Euclid Systems Corporation)
- Refractive error better than -5.00 diopters with less than 1.50 diopters of cylinder
- Keratometry values between 40.00 D and 46.00 D
Exclusion Criteria
- Past orthokeratology use
- Ocular surgery within the past 12 months
- History of severe ocular trauma
- Active ocular infection or inflammation
- Ocular disease other than dry eye
- Accutane or ocular medication use
- Pregnant or breast feeding
- A condition or situation that may put the subject at significant risk, confound the study results, or may significantly interfere with study participation
Data sourced from ClinicalTrials.gov (NCT03566680). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.