A randomised prospective study to evaluate laser peripheral iridotomy with YAG laser against sequential argon-YAG laser in dark irides

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN82666926

Enrollment

Registered

2007-09-28

Start date

2006-08-23

Completion date

Unknown

Last updated

2017-10-30

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

Conditions

Eye Diseases: Pigmentation disorders Eye Diseases Pigmentation disorders

Interventions

1. Pure YAG laser 2. Argon-YAG Laser

Eligibility

Inclusion criteria

Inclusion criteria: 1. Require iridotomy in both eyes 2. Informed consent available 3. Can follow up after 3 months 4. Dark irides

Exclusion criteria

Exclusion criteria: 1. Previous failed laser iridotomy 2. History of previous intraocular pathology affecting iris morphology 3. Patients with only 1 functional eye or previous ACG 4. Patients with advanced glaucoma 5. Patients medically unfit for laser treatment

Design outcomes

Primary

Measure	Time frame
Total YAG laser power utilised	—

Secondary

Measure	Time frame
1. Complications (iris haemorrhage, elevated intraocular pressure, intraocular inflammation, focal corneal opacity) 2. Patency of laser iridotomy after single treatment 3. Cost implications of 2 laser treatments versus need for failed iridotomy requiring a second treatment	—

Countries

United Kingdom

Outcome results

None listed

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