Actively Recruiting
Clinical Performance of Verofilcon A Toric Contact Lenses
Led by Southern College of Optometry · Updated on 2026-05-14
32
Participants Needed
1
Research Sites
21 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
The goal of this clinical trial is to \[primary purpose: is to determine if Total30 Multi focal toric conntact lensesare comfortable and the willigness for those who have previously worn reusable toric contact lenses are willing to stay in Total30 MFT after 1 month of wear during the duration of the study. Healthy previous reusable toric contact lens weareres will be refit into total30 MFT contact lenses and will be asked to gauge their comfort while wearing the lenses. Healthy adult participants who are presybyopic between the ages of 18-40 can participant, sex and gender are not disqualifiers unless the participant is pregnant or breast feeding. The main question\[s\] it aims to answer \[is/are\] \[primary hypothesis or outcome measure 1Proportions of toric CL wearers who have positive visual acuity scores in comfort and vision after one month of wear. \[primary hypothesis or outcome measure 2\]? Contact lens dry eye-8 scores will be less than 12 indicating high levels of comfort after one month of wear.
CONDITIONS
Official Title
Clinical Performance of Verofilcon A Toric Contact Lenses
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Adults aged 18 to 40 years
- Current or recent reusable silicone hydrogel toric contact lens wearers with best-corrected 20/20 distance vision or better
- Require +0.75 ADD or more for near vision at 40 cm
- Contact Lens Dry Eye-8 score less than 12
- Able to wear Total30 Multifocal Toric lenses with astigmatism of 0.75 to 2.50 diopters in each eye
- Willing to wear study contact lenses for at least 13 hours daily without overnight wear
- Willing to wear lenses for 16 hours on Day 1, Day 14, and Day 29 for comfort and vision assessments
- Willing to wear lenses every day of the week
- Provide a glasses prescription less than 3 years old
- Visual acuity with habitual lenses of 20/25 or better in each eye
You will not qualify if you...
- Prior use of Total30 Multifocal Toric lenses
- Past wearers of rigid contact lenses
- Current users of monovision contact lenses
- History of dry eye or ocular allergies
- Known systemic health conditions that affect tear film
- History of viral eye disease
- History of eye surgery
- History of severe eye trauma
- History of corneal dystrophies or degenerations
- Active eye infection or inflammation
- Current use of isotretinoin derivatives or ocular medications
- Pregnant or breastfeeding
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
The Southern College of Optometry
Memphis, Tennessee, United States, 38104
Actively Recruiting
Research Team
C
Chris Lievens, OD
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
1
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