Overview
To determine whether primary angle closure suspects (PACS) in a Caucasian population benefit from prophylactic laser iridotomy.
Description
Prospective, randomised paired-eye design clinical trial comparing peripheral laser iridotomy in one eye with observation in the other over 5-years follow-up.
Eligibility
Inclusion Criteria:
- Primary angle closure suspect: ≥180 degrees (cumulative) irido-trabecular contact on darkroom gonioscopy, IOP<21mmHg, no peripheral anterior synechiae, no glaucomatous optic neuropathy
- Best-corrected visual acuity (BCVA) >0.8 on both eyes
- Caucasian
Exclusion Criteria:
- Pseudophakia
- Previous iridotomy
- Clinically significant cataract with indication for surgery,
- Gaucoma
- Uveitis
- Unstable retinal conditions
- Ocular malignancies
- PEX
- PDS
- Systemic or ocular corticosteroid treatment