primary angle closure suspects
Conditions
Interventions
experimental:laser periphearl iridotomy
Sponsors
Beijing Tongren Hospital
Eligibility
Sex/Gender
All
Age
40 Years to No maximum
Inclusion criteria
Inclusion criteria: (1) Age >=40; (2) patients in whom posterior (usually pigmented) trabecular meshwork is seen for less than 180 degree in both eyes; (3) No signs of peripherical anterior synechia; (4) Intraocular pressure <=21mmHg.
Exclusion criteria
Exclusion criteria: (1) With peripheral anterior synechia(PAS); (2) Primary angle-closure glaucoma; (3) IOP >=21mmHg; (4) who probably shift the place of residence within 2 years; (5) Serious systemic disease from the impact of following disease: heart disease, kidney disease, lung disease and cancer; (6) history of intraocular surgery,laser peripheral iridotomy or penetrating ocular trauma; (7) Corneal stromal opacities which can not perform laser treatment visit (such as corneal nebula cloud); (8) history of acute angle closure attack (partial iris atrophy, iris contracture spot glaucoma); (9) always need to do the fundus examination mydriasis because of the optic nerve orretinal disease; (10) Patients who failed to sign the informed consent; (11) high-risk of acute angle-closure glaucoma (darkroom provocative test or elevated IOP after mydriasis increased for more than 15mmHg).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary angle closure; | — |
Secondary
| Measure | Time frame |
|---|---|
| re-opened angle; | — |
Countries
China
Contacts
Public ContactNingli Wang, Yuanbo Liang
Outcome results
None listed