Presbyopia
Conditions
Keywords
Progressive Addition Lens, Multifocal, Presbyopia
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.
Interventions
DEVICEProgressive Addition Lens (Shamir PrimeIITM) Spectacles
A pair of progressive addition lenses manufactured according to the subject's personal prescription.
Sponsors
Ziv Hospital
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to 90 Years
Healthy volunteers
No
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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Field of comfortable reading on a computer screen | Baseline |
| Horizontal Intermediate Visual Field | Baseline |
| Visual Acuity | Baseline |
| Horizontal Near Visual Field | Baseline |
| Horizontal Far Visual Field | Baseline |
Secondary
| Measure | Time frame |
|---|---|
| Overall Subjective Feedback | 2-3 weeks |
| Subjective Evaluation of Visual Quality | 2-3 weeks |
Outcome results
None listed