Astigmatism
Conditions
Brief summary
The purpose of this study to assess the wear experience of people who have astigmatism when wearing a daily disposable contact lens for astigmatism over long days of wear.
Interventions
DEVICEDaily disposable contact lenses for astigmatism
All participants will be fit with the study lenses
Sponsors
Ohio State University
Alcon Research
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to 40 Years
Healthy volunteers
Yes
Inclusion criteria
* Current soft toric contact lens wearer with long hours of wear * Willing to follow the contact lens wearing schedule required by the study * Vision 20/25 or better with current soft toric contact lenses * Self-report completion of a comprehensive eye examination in the past two years
Exclusion criteria
* Have a history of corneal ocular surgery * Have current ocular inflammation or infection as assessed by the study investigator who will complete the study * Are past rigid contact lens wearers * Have a history of being diagnosed with dry eye or ocular allergies * Have known systemic health conditions that are thought to alter tear film physiology * Have a history of viral eye disease * Have a history of ocular surgery * Have a history of severe ocular trauma * Have a history of corneal dystrophies or degenerations * Have active ocular infection or inflammation * Are currently using isotretinoin-derivatives or ocular medications * Are pregnant or breast feeding
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Comfort | Measured over 16 hours of wear | Proportion of participants with positive Visual Analog Scale (VAS, \>50 on a 0-100 scale) |
Countries
United States
Contacts
CONTACTStudy Coordinators
Outcome results
None listed