Clinical Investigation of the Vision-R800 Device.

Clinical Investigation of the Vision-R800 Device. Understanding the Value of High Precision Refractions and Lenses to Optometrists and Patients. Phase 2

Randomized, bilateral, cross-over dispensing study of a standard and VR800 refraction and associated spectacle lenses.

Inclusion Criteria:

• current adaptated progressive addition lens wearer, if bifocal lens required
• wearable pair of glasses < 2 years old
• wear glasses at least 6 hours per day

Exclusion Criteria:

• Eye Disease with an impact on visual acuity or binocular vision abnormalities (by self-report)
• Formal training in optometry, vision science or in the eyecare field