Presbyopia, myopia, hyperopia, astigmatism Eye Diseases
Conditions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Contact lens wearers using comfilcon A family of contact lenses comprising Biofinity® and private label, sphere, toric, multifocal, toric multifocal 2. Age 8-75 years 3. Current wearer of one of the above contact lens types for at least 12 months managed by referring practice 4. At least occasional overnight wear in the last 12 months 5. Be willing and able to adhere to the instructions set in the clinical protocol and maintain the appointment scheduled at OTG-i
Exclusion criteria
Exclusion criteria: Current participation of the subject in a contact lens or contact lens care product clinical trial
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| logMAR photopic (200 cd/m2) high contrast (>90%) visual acuity at distance (400 cm) and near (40 cm) measured to the nearest letter, measured at a single timepoint during the visit | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Comfort recorded on a six-point scale, measured at a single timepoint during the visit 2. Vision recorded on a six-point scale, measured at a single timepoint during the visit 3. Handling recorded on a six-point scale, measured at a single timepoint during the visit | — |
Countries
England, United Kingdom