Status
Conditions
Treatments
About
This is a single-masked, randomized, cross-over, dispensing, 6- visit pilot study. The purpose of this clinical study is to evaluate the performance of two marketed multifocal lenses.
Enrollment
Sex
Ages
Volunteers
Inclusion and exclusion criteria
Inclusion Criteria:
Potential subjects must satisfy all of the following criteria to be enrolled in the study:
The subject must read, understand, and sign the STATEMENT OF INFORMED CONSENT and receive a fully executed copy of the form.
The subject must appear able and willing to adhere to the instructions set forth in this clinical protocol.
The subject must be between at least 40 years of age and not greater than 70 years of age.
The subject's distance spherical equivalent refraction must be in the range of +3.75 D to -3.75 D.
The subject's refractive cylinder must be ≤ -0.75 D in each eye.
The subject's ADD power must be in the range of +0.75 D to +2.50 D in each eye.
The subject must have best corrected visual acuity of 20/20-3 or better in each eye.
The subject must own a pair of wearable spectacles if required for their distance vision.
The subject must be an adapted soft contact lens wearer in both eyes (i.e. worn lenses a minimum of 2 days per week for at least 8 hours per wear day, for 1 month or more duration).
The subject must either be wearing a presbyopic contact lens correction (e.g., reading spectacles over contact lenses, multifocal or monovision contact lenses, etc.) or respond positively to at least one symptom on the "Presbyopic Symptoms Questionnaire".
Exclusion Criteria:
Potential subjects who meet any of the following criteria will be excluded from participating in the study:
Primary purpose
Allocation
Interventional model
Masking
78 participants in 2 patient groups
Loading...
Data sourced from clinicaltrials.gov
Clinical trials
Research sites
Resources
Legal