Presbyopia
Conditions
Keywords
Presbyopia, Reading Glasses, Near Vision
Brief summary
Study to determine the effectiveness of the PresVIEW Scleral Implant to improve near vision in patients who require reading glasses
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Age 45 or older at commencement of study * Best Corrected Distance Visual Acuity of .80 (20/25) or better * Patients must be alert, mentally competent, and able to comply with clinical study requirements
Exclusion criteria
* Any previous eye surgeries including cataract, LASIK (laser in situ keratomileusis), or eye muscle surgery * Any chronic systemic diseases such as diabetes, heart disease, Lupus, etc. * Any eye diseases such as eye inflammation, infection, cataract, or retinal diseases
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Near Visual Acuity | 12 Months | Measurement of the distance Corrected Near Visual Acuity at 40 centimeters compared to baseline measurement. A minimum of 75% of patients with a bilateral post-operative Distance Corrected Near Visual Acuity of .5 (20/40) or better at 12 months |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Uncorrected Near Visual Acuity | 12 Months | The percent of patients with a bilateral post-operative uncorrected near visual acuity (UCNVA) at 40 centimeters of .5 (20/40) or better at 12 months |
| Presence of Significant Safety Events | 24 months | Several indicators of safety are monitored including but not limited to Best Corrected Distance Visual Acuity, Intra-ocular Pressure, and Chronic Inflammation. |
Countries
United Kingdom