Clinical Evaluation of a Progressive Addition Lens (PAL)
Not Applicable
- Conditions
- Presbyopia
- Registration Number
- NCT01443585
- Lead Sponsor
- Ziv Hospital
- Brief Summary
The purpose of the trial is to clinically evaluate the performance of a progressive addition lens among presbyopic patients.
This evaluation will be done by performing visual tests and collecting subjective information from subjects wearing the lens which will be manufactured according to personal prescription.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- UNKNOWN
- Sex
- All
- Target Recruitment
- 100
Inclusion Criteria
- An ability to comprehend and give an informed consent for participation in the trial
- Presbyopia
Exclusion Criteria
- Concurrent participation in another clinical trial
- Age<18
- For female subjects: pregnancy \ planning a pregnancy \ lactating at the time of enrollment
- Imbalanced diabetes \ high blood pressure \ thyroid disease
- Infectious disease
- Inability (cognitively) to comprehend the instructions given during the trial and to comply with them
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SINGLE_GROUP
- Primary Outcome Measures
Name Time Method Horizontal Intermediate Visual Field Baseline Visual Acuity Baseline Horizontal Near Visual Field Baseline Field of comfortable reading on a computer screen Baseline Horizontal Far Visual Field Baseline
- Secondary Outcome Measures
Name Time Method Subjective Evaluation of Visual Quality 2-3 weeks Overall Subjective Feedback 2-3 weeks