N/A
N=23
Toric Contact Lens Digital Performance and Comfort Study
Astigmatism
Bottom Line
View on ClinicalTrials.gov: NCT04772560 ↗Enrolled (actual)
23
Serious AEs
0.0%
Results posted
Mar 2022
Primary outcome: Primary: Near Visual LogMAR Acuity — -0.10; -0.03 LogMAR
Study Design & Population
- Study type
- Interventional
- Phase
- N/A
- Interventions
- Precision1 for Astigmatism (Device); Precision1 Sphere (Device)
- Age
- Adult · 18+ yrs
- Sex
- All
- Sponsor
- Kathryn Richdale
- Primary completion
- Dec 2021
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Near Visual LogMAR Acuity |
-0.10; -0.03 | — |
| PRIMARY Dynamic Visual Acuity |
0.04; 0.11 | — |
Summary
This study seeks to quantify digital visual performance and subjective visual acceptance of toric contact lenses as compared to spherical lenses in low to moderate astigmatic patients.
Eligibility Criteria
Inclusion Criteria
- 18 to 39 years of age (inclusive)
- pl to -6.00D vertexed sphere power and -0.75 to -1.50D vertexed refractive cylinder OD and OS
- Current/established full time (>6 days week, >8 hours/day) soft contact lens wearer
- Best corrected acuity of 20/25 or better in each eye
- Self-report of at least 4 hrs/day using digital devices
- Willing to wear lenses at least 8 hours each day during the study period
- Able to speak and read English at a high school level / have at least a high school diploma or equivalent (by self-report)
Enclusion Criteria:
- History of ocular pathology or surgery
- Binocular vision disorder (i.e., tropia, convergence or accommodative insufficiency)
- Gas permeable lens wear for at least 3 months
- Symptomatic soft contact lens wearer (CLDEQ-8 score <12 at baseline)
Data sourced from ClinicalTrials.gov (NCT04772560). 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.