Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.See eligibility criteria
- Normal cornea and normal anterior segment.
- Anterior segment disease
- Medications known to affect the cornea
- History of herpetic keratitis
- History of other corneal disease or surgery
- Contact lens wear