Expired Study
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Boston, Massachusetts


To evaluate two toric contact lenses on the ocular physiology of existing contact lens wearers when used in an extended wear modality of days/six nights.


Inclusion Criteria: - Able to wear study lenses in parameters available - Non-presbyopes between the ages of 18-45 - Understand and sign informed consent - Willing to follow the protocol - Achieve at least 20/30 (6/9) visual acuity (VA) in right eye (OD) and left eye (OS) with study lenses - Myopia -0.75 to -6.25, cylinder -0.75 to -1.50 diopters (D) (axis 90 +/- 15, 180 +/- 15) or -1.75 D (axis 90 +/- 10, 180 +/- 10) - Adapted soft contact lens wearer - Swims no more than once a week - Has a wearable pair of spectacles. Exclusion Criteria: - Any ocular or systemic disorder which may contraindicate contact lens wear - Any topical ocular medication - Aphakic - Corneal refractive surgery - Corneal distortion from hard CL wear or keratoconus - Pregnant or lactating - Grade 2 or worse slit lamp signs - Infectious disease - Previous clinical study within 2 weeks - Don't agree to participate - Polymethyl methacrylate (PMMA) or rigid gas-permeable (RGP) lens wear in last 8 weeks - Previous adverse effects that contraindicate extended lens wear. - Self-reported symptoms of itchiness or scratchiness with habitual lenses.



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Location Contact:

Boston, Massachusetts
United States

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Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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