Impression Cytology
Conditions
Brief summary
This is a single arm, prospective, bilateral, non-randomized study that will be split into four elements. Element 1 will be an in vitro non-clinical study and described in the laboratory protocol. Elements 2, 3 and 4 will each be a single non-dispensing visit.
Interventions
None listed
Sponsors
Johnson & Johnson Vision Care, Inc.
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
* Potential subjects must satisfy all of the following criteria to be enrolled in the study: 1. They are of legal age (18 years) and capacity to volunteer. 2. They understand their rights as a research subject and are willing and able to sign a Statement of Informed Consent. 3. They are willing and able to follow the protocol. 4. They agree not to participate in other clinical research for the duration of this study.
Exclusion criteria
* Potential subjects who meet any of the following criteria will be excluded from participating in the study: 1. They have had cataract surgery. 2. They have had corneal refractive surgery. 3. They have any corneal distortion resulting from previous hard or rigid lens wear or have keratoconus. 4. They are pregnant or breast-feeding. 5. They have any infectious disease (e.g. hepatitis) or any immunosuppressive disease (e.g. HIV) or a history or anaphylaxis or severe allergic reactions. 6. They have taken part in any other contact lens or care solution clinical trial research, within two weeks prior to starting this study. 7. They are currently regularly (once per day or more) using oral or inhaled steroids or anti-inflammatory medications. 8. They are using any topical medications such as eye drops or ointments. 9. They are a current (i.e. within the last three months) contact lens wearer (wearing a lens in one or both eyes). 10. History of allergic reaction to sodium fluorescein or topical anesthetic. 11. They have Grade 3 or greater of any of the following ocular surface signs: corneal edema, corneal vascularization, corneal staining (white light evaluation), tarsal conjunctival changes or any other abnormality which would normally contraindicate contact lens wear. 12. Any active ocular infection or inflammation.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Number of Cells | 1.5 hours duration of assessment time | The frequency count of cells will be summarized within the category. |
| Types of Cells | 1.5 hours duration of assessment time | The percentage of types of cells will be summarized within the category. |
Countries
United Kingdom
Outcome results
None listed