Investigation in Corneal Sensation and Contact Lens Wear
Cornea, Sense Loss; Cornea
About this trial
This is an interventional basic science trial for Cornea focused on measuring cornea, ocular surface sensation, corneal sensitivity, contact lens wear
Eligibility Criteria
Inclusion Criteria:
Group A:
Silicone hydrogel (SiHy) CL wear at least 3 days per week and at least 8 hours per day; 18 - 50 years of age; healthy eyes with OSDI </= 13
Group B:
Rigid gas permeable (RGP) CL wear at least 3 days per week and at least 8 hours per day; 18 - 50 years of age; healthy eyes with OSDI </= 13
Group C:
No current CL wear for at least 3 months; 18 - 50 years of age; healthy eyes with OSDI </= 13
Exclusion Criteria:
- Systemic disease that may affect ocular health, such as diabetes
- Injury and history of operations on the anterior segment of the eye
- regular application of systemic or ocular medication known to affect the tear film, specifically on the day of measurement
Sites / Locations
- Institute of Optometry, FHNW
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Experimental
Group A: SiHy CL
Group B: RGP CL
Group C: no CL wear
Silicone hydrogel (SiHy) CL wear at least 3 days per week and at least 8 hours per day;
Rigid gas permeable (RGP) CL wear at least 3 days per week and at least 8 hours per day;
No current CL wear for at least 3 months;