Presbyopia Eye Diseases Presbyopia
Conditions
Interventions
Participants will be wearing two different MF CL (Test - CVI MF, Control - 1DAVM). Their eyes will be examined by the investigator and they will be fitted with a pair of the first type of multifocal c
Sponsors
CooperVision (United States)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. At least 40 years old 2. Have read and understood the Participant Information Sheet 3. Have read, signed and dated the Informed Consent 4. Best corrected visual acuity of at least 20/25 in each eye 5. Have normal eyes with the exception of the need for visual correction 6. Current multifocal contact lens wearer 7. Spectacle refraction: Distance: Sphere: -6.00D to + 4.00D Astigmatism: 0.00D to -0.75D Near Addition: +0.75D to +2.50D
Exclusion criteria
Exclusion criteria: 1. Ocular anterior segment infection, inflammation, abnormality, or active disease that would contraindicate contact lens wear 2. Use of systemic or ocular medications for which contact lens wear could be contraindicated as determined by the investigator 3. Monocular participants (only one eye with functional vision) or participants fit with only one lens 4. Any moderate or severe ocular condition observed during the slit-lamp examination at the enrolment visit 5. History of herpetic keratitis, ocular surgery or irregular cornea 6. Known pregnancy or lactation during the study period 7. Enrolment of the investigator or his/her staff, family members of the investigator, family members of the investigator’s staff, or individuals living in the households of these individuals
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Subjective overall visual satisfaction measured using the Visual Analog Scale (VAS) at baseline and after 1-week wear with each contact lens type 2. The number of contact lenses needed (count) for fitting per eye prior to dispensing is recorded for each contact lens type | — |
Secondary
| Measure | Time frame |
|---|---|
| Binocular visual performance (LogMAR visual acuity) measured using letter charts at baseline and after 1-week wear with each contact lens type | — |
Countries
United Kingdom
Contacts
Public ContactKishan Patel
Outcome results
None listed