An interventional study of Verofilcon A toric contact lenses and Stenfilcon A toric contact lenses in Refractive Errors and Astigmatism, sponsored by Alcon Research. Completed at 6 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-12-07.
Sponsored by Alcon Research · Not applicable, Interventional, and Other
The purpose of this study to evaluate the overall performance of PRECISION1™ for Astigmatism contact lenses with MyDay® Toric contact lenses.
Subjects will be expected to attend 4 visits and wear study lenses daily for approximately 10 hours per day. On the day prior to the Week 1 Follow-up visit of each crossover period, subjects will be asked to wear the respective study lens for at least 16 hours. The expected duration of subject participation in the study is approximately 3 weeks.
413 studies on the registry are indexed under Astigmatism; 55 are open to participants now.
This study's enrollment of 64 is above the median of 55 across 321 interventional studies indexed under Astigmatism.
Browse Astigmatism studies →Alcon Research is the lead sponsor of 608 studies on the registry; 9 are open to participants now.
Of its 109 completed or terminated interventional studies of FDA-regulated products, 99 (91%) have results posted.
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Key Inclusion Criteria:
Key Exclusion Criteria:
Verofilcon A toric contact lenses worn first, with stenfilcon A toric contact lenses worn second, as randomized. Each product will be worn bilaterally (in both eyes) for 8 (-0/+3) days in a daily disposable modality.
Device: Verofilcon A toric contact lenses · Device: Stenfilcon A toric contact lenses
Stenfilcon A toric contact lenses worn first, with verofilcon A toric contact lenses worn second, as randomized. Each product will be worn bilaterally (in both eyes) for 8 (-0/+3) days in a daily disposable modality.
Device: Verofilcon A toric contact lenses · Device: Stenfilcon A toric contact lenses
Soft contact lenses for optical correction of astigmatism, used as indicated
Also known as: PRECISION1 for Astigmatism, P1fA
Soft contact lenses for optical correction of astigmatism, used as indicated
Also known as: MyDay Toric
Percent of lenses with axis orientation within ±30 degrees inclusive from the intended axis, 10 minutes after lens insertion
Axis orientation (orientation of the scribe mark) will be assessed by slit lamp examination and recorded as deviations from intended axis.
Time frame: Day 1, 10 minutes after lens insertion, each product
Plan to share: No
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This study is completed, as verified in Dec 2021. You cannot join it, but the record below documents what was studied.
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Alcon Research