Comparison of Three Soft Bifocal Contact Lenses

Completed · Not applicable

Conditions studied: Presbyopia

In brief

The primary purpose of the study is to compare the performance of three soft bifocal contact lenses in terms of the vision provided by the lenses.

Key facts

Study ID

NCT00808340

Run by

Johnson & Johnson Vision Care, Inc.

People needed

37

Starts

2008-11-01

Expected to finish

2008-12-01

Last updated by the study team

2018-06-19

Who can join

Age: 35 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• The subject must between 35 and 70 years of age.
• The subject must respond positively to at least one symptom on the "Presbyopic Symptoms Questionnaire" or be already wearing presbyopic contact lens correction ( e.g. reading spectacles over contact lenses, multifocal or monovision contact lenses etc.).
• The subject's spherical equivalent distance refraction must be in the range of -1.00 to -6.00 in each eye.
• Refractive cylinder must be less than or equal to -0.75 D in each eye.
• The subject must have an add power of +0.75D to +2.50D in each eye.
• The subject must have best corrected visual acuity of 20/20-3 or better in each eye.
• The subject's must have at least 20/30-distance vision with the study contact lenses.
• The subject must agree that they are comfortable with their vision prior to being dispensed the study lenses.
• The subject must be an adapted soft contact lens wearer in both eyes.
• The subject must appear able and willing to adhere to the instructions set forth in this clinical protocol.
• The subject must read and sign the STATEMENT OF INFORMED CONSENT and be provided a copy of the form.

You may not qualify if…

• Ocular or systemic allergies or disease that may interfere with contact lens wear.
• Systemic disease, autoimmune disease or use of medication, which may interfere with contact lens wear.
• Clinically significant (grade 3 or 4) corneal edema, corneal vascularization, corneal staining or any other abnormality of the cornea, which may contraindicate contact lens wear.
• Clinically significant (grade 3 or 4) tarsal abnormalities that might interfere with contact lens wear.
• Any ocular infection.
• Any corneal distortion resulting from previous hard or rigid gas permeable contact lens wear.
• Pregnancy or lactation
• Any infectious disease (e.g., hepatitis, tuberculosis) or a contagious immunosuppressive disease (e.g., HIV).
• History of diabetes. History of binocular vision abnormality or strabismus.

Where it is running

• Study site — Roanoke, Virginia, United States

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.