Comparison of Senofilcon A Toric Lenses to Balafilcon A Toric Lenses Over Extended Wear Period

Completed · Not applicable

Conditions studied: Astigmatism

In brief

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.

Key facts

Study ID

NCT00762502

Run by

Johnson & Johnson Vision Care, Inc.

People needed

112

Starts

2007-06-01

Expected to finish

2008-01-01

Last updated by the study team

2018-06-19

Who can join

Age: 18 and older, up to 45. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 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.

You may not qualify if…

• 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.

Where it is running

• Study site — Boston, Massachusetts, United States
• Study site — Newtown, New South Wales, Australia
• Study site — Camberwell, Victoria, Australia
• Study site — Hawthorn, Victoria, Australia
• Study site — Keilor, Victoria, Australia
• Study site — Melbourne, Victoria, Australia
• Study site — Mitcham, Victoria, Australia
• Study site — Yallourn, Victoria, Australia

Full record on ClinicalTrials.gov

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