iCare ST500 Clinical Trial

Clinical Validation of a Slit Lamp Mounted Rebound Tonometer

Clinical validation of iCare ST500 tonometer per ANSI Z80.10:2014 standard

Inclusion Criteria:

• Patients at least 18 years old

Exclusion Criteria:

1. Subjects with only one functional eye
2. Subjects having poor or eccentric fixation in the study eye(s)
3. High corneal astigmatism >3D in the study eye(s)
4. Central corneal scarring
5. History of prior incisional glaucoma surgery or corneal surgery, including corneal refractive laser surgery in the study eye(s)
6. Microphthalmos
7. Buphthalmos
8. Contact lens use within one week of continuous wear and within one hour if lens is worn occasionally
9. Dry eyes (clinically significant)
10. Lid squeezers - blepharospasm
11. Nystagmus
12. Keratoconus
13. Any other corneal or conjunctival pathology or infection relevant to this study
14. Central corneal thickness greater than 600 μm or less than 500 μm in the study eye(s)
15. Cataract Extraction within last 2 months in the study eye(s)