Dry eyes, eyedrops, contact lens symptomatology, tear film Eye Diseases Other disorders of lacrimal gland
Conditions
Interventions
The potential participants will attend the clinic for Visit 1 to obtain their informed consent and evaluate their suitability to take part in the investigation. The potential participants will be aske
Sponsors
CooperVision Inc. (USA)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. At least 18 years old 2. Have read and understood the Participant Information Sheet 3. Have read, signed and dated the Informed Consent 4. Current symptomatic daily disposable contact lens wearer 5. Spectacle refraction: distance sphere: -6.00D to + 4.00D; Astigmatism: 0.00D to -0.75D 6. Best corrected visual acuity of at least 20/30 in each eye 7. Have normal eyes with the exception of the need for visual correction 8. Be willing and able to adhere to the instructions set in the clinical protocol and maintain the appointment schedule
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 contact 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. Enrollment 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 8. Participation in any clinical trial within 30 days of the enrolment visit
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Measured using Tearscope at study visit 2 and 3 at pre-instillation of eyedrop and 5, 30, 60, 90, 120 and 180 minutes post instillation: 1. Tear film non-invasive break-up time 2. Contact lens surface exposed area at blink 3. Contact lens surface tear film protective index | — |
Secondary
| Measure | Time frame |
|---|---|
| Measured at study visit 2 and 3 at pre-instillation of eyedrop and 5, 30, 60, 90, 120 and 180 minutes post instillation and prior to contact lens removal: 1. Subjective comfort, rated using 0-100 point Visual Analog Scale (VAS) 2. Subjective vision, rated using 0-100 point Visual Analog Scale (VAS) | — |
Countries
United Kingdom
Contacts
Public ContactTrisha Patel
Outcome results
None listed