Primary Angle-closure Glaucoma
Conditions
Interventions
Early PACG 1:Crystal excision
Early PACG 2:laser peripheral iriotomy
The late PACG 1:trabeculectomy
The late PACG 2:Crystal excision
Poor intraocular pressure control after laser peripheral iriotomy with PACG 1:trabeculectomy
Poor intraocular pressure control after laser peripheral iriotomy with PACG 2:Crystal excision
Sponsors
Beijing Tongren Hospital Affiliated to Capital Medical University
Eligibility
Sex/Gender
All
Age
50 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1) sign the informed consent; 2) aged 50-80 years; 3) confirmed PACG: Trabecular meshwork contact iris is greater than or equal to 180 °(static Angle closure) + intraocular pressure =22mmHg (flatten Goldmann tonometer measurements) + glaucoma optic nerve injury;No history of laser surgery or intraocular pressure loss after laser surgery; 4) without clinically significant cataract, the best corrected vision was greater than 0.3.
Exclusion criteria
Exclusion criteria: 1) intraocular pressure greater than 45 mmHg; 2) dynamic all-week Angle closing; 3) the degree of visual field defect is greater than md-15db 4) eye axis less than or equal to 20mm; 5) the depth of the central anterior chamber is less than or equal to 1.5mm; 6) secondary glaucoma; 7) corneal edema and turbidity or abnormal endothelial function; 8) previous intraocular laser surgery (except for LPI in the 3 groups); 9) accompanied by uveitis, retinopathy, true microphthalmus and other eye diseases; 10) there are contraindications for laser treatment or cataract surgery; 11) severe systemic disease cannot be followed for a long time.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| intraocular pressure;degree of angle closure; | — |
Countries
China
Contacts
Public ContactNingli Wang
Outcome results
None listed