Trial Radar
Sign in

NCT lookup

Pull any trial record directly from ClinicalTrials.gov.

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

NCT00762502

CompletedNA

Sponsor: Johnson & Johnson Vision Care, Inc.

Conditions: Astigmatism

Interventions: senofilcon A toric contact lens, balafilcon A toric contact lens

Countries: United States, Australia

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.

Eligibility overview

Sex: ALL

Age: 18 Years to 45 Years

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria
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.
Locations (8)
  • Boston, Massachusetts, United States
  • Newtown, New South Wales, Australia
  • Camberwell, Victoria, Australia
  • Hawthorn, Victoria, Australia
  • Keilor, Victoria, Australia
  • Melbourne, Victoria, Australia
  • Mitcham, Victoria, Australia
  • Yallourn, Victoria, Australia