Normal tension glaucoma
Conditions
Interventions
glaucoma filtration surgery with Alcon ExPress glaucoma filtration device model P50PL
Sponsors
Alcon Japan
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. diagnosed as normal tension glaucoma 2. indication for ExPress glaucoma filtration surgery 3. over 20 years old age when the study agreement was obtained 4. the patients who can understand and agree with the explanatory leaflet and written informed consent verified by IRB.
Exclusion criteria
Exclusion criteria: 1. pregnant and nursing women, and woman desiring future fertility during the study period 2. angle closure and secondary glaucoma 3. subject with a history of glaucoma surgery 4. subject to receive or has received penetrating keratoprasty 5. subject to have a problem for the IOP measurement with GAT 6. diagnosed as corneal dystrophy 7. subject with a history of any ocular surgery within 6 months 8. subject with infectious or non-infectious conjunctivitis, keratitis, or uveitis in one or both eyes 9. diagnosed as severe blepharitis or dry eye 10. subject with a metal allergy 11. judged as inappropriate for study subject 12. subject attended to the other clinical trial or study within 30 days before baseline visit
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| IOP lowering effect evaluating IOP reduction at 3,6 and 12 months after the surgery compared to the baseline. The number of cases who have over 20% IOP reduction at 3, 6 and 12 months postoperatively. | — |
Countries
Japan
Contacts
Public ContactSaiko Takayama
Alcon Japan Reseach development
Outcome results
None listed