Glaucoma
Conditions
Brief summary
To collect measurements of a new tonometer and show conformance to standards for tonometers.
Interventions
DEVICETonometer
measures IOP
Sponsors
Topcon Corporation
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
22 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
1. Age at least 22 years at the time of the informed consent 2. Provide voluntary written consent for participation in the study
Exclusion criteria
1. Have only one functional eye 2. Have difficulty in ocular fixation or eccentric fixation in either eye 3. Have corneal scar or have a history of corneal surgery such as corneal laser surgery (cataract surgery is acceptable) 4. Have microphthalmia 5. Have buphthalmos 6. Wear contact lens (have used soft contact lenses within the last 3 months and/or hard contact lenses within the last 6 months) 7. Have dry eyes and taking prescription medication or using artificial tears daily 8. Have blepharospasm 9. Have nystagmus 10. Have keratoconus 11. Have corneal or conjunctival lesions or infections 12. Have a central corneal thickness of \<500μm or \>600μm 13. Have corneal astigmatism \>3D 14. Have known allergy to ophthalmic anesthetics 15. Have known allergy to sodium fluorescein
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| IOP | 1 day | pressure inside the eye |
Countries
United States
Outcome results
None listed