A randomized controlled trial on the application of simple laser peripheral iridotomy and Laser perpheral iridectomy combined with iridoplasty to chronic angle-closure glaucoma

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-07000034

Enrollment

Unknown

Registered

2007-12-19

Start date

2005-10-01

Completion date

Unknown

Last updated

2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic angle-closure glaucoma

Interventions

A:Joint laser therapy group

B:Laser peripheral iridotomy

Eligibility

Sex/Gender

All

Age

40 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Functional trabecula cannot be seen in >=270 degree under gonioscopy; 2. Intraocular pressure >=21mmHg; 3. At least one eye that has definite peripheral anterior synechia (PAS) of more than 1/2 hours; 4. Age =40 years old

Exclusion criteria

Exclusion criteria: 1. Secondary angle closure (ultrasound biomicroscopy (UBM) detects iridal and retro-iridal tumors or cysts, uveitis, iridocorneal endothelial syndrome and other secondary glaucoma causing angle closure); 2. Complicated with psychosis that causes failure of laser therapy; 3. Having a history of or being in an episode of acute angle-closure glaucoma; 4. Having a plan to emigrate in recent 2 years; 5. Failure to follow-up due to serious systemic diseases or problems of family life, etc; 6. Having a history of intraocular surgery and penetrating trauma.

Design outcomes

Primary

Measure	Time frame
The rate of trabeculectomy;intraocular pressure;The range of goniosynechia;Rate of complications;	—

Countries

China

Contacts

Public ContactNingli Wang

wningli@trhos.com+86 010 58269920

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026