Conditions: Presbyopia; Near Vision; Refraction Error
Interventions: Device: Visual Acuity; Device: Objective refraction; Device: Standard Subjective refraction; Device: Near vision examination and determination of additions; Device: Binocular vision tests; Device: Extended trial of addition
Sponsors: Essilor International
Recruiting Conditions: Presbyopia; Near Vision; Refraction Error
Interventions: Device: Visual Acuity; Device: Objective refraction; Device: Standard Subjective refraction; Device: Near vision examination and determination of additions; Device: Binocular vision tests; Device: Extended trial of addition
Sponsors: Essilor International
Recruiting
