Effect of Peripheral Laser Iridotomy Placement on Post-operative Visual Function

University of the Incarnate Word200 enrolled

Overview

To evaluate the influence of superior versus temporal laser peripheral iridotomy location on post-operative visual acuity and contrast sensitivity.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

SUPPORTIVE_CARE

Masking

SINGLE

Enrollment

200

Conditions

Glaucoma, Angle-Closure

Interventions

Superior laser peripheral iridotomyPROCEDURE

Iridotomy placement between 11:00 and 1:00 o'clock

Temporal laser peripheral iridotomyPROCEDURE

Iridotomy placement at 3:00 or 9:00 o'clock

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Angle-closure glaucoma * Angle-closure glaucoma suspect Exclusion Criteria: * Monocular status * Previous intraocular surgery * Visual acuity worse than 20/40 * Prior episode of acute angle-closure glaucoma * Pregnancy

Locations (1)

University of the Incarnate Word

San Antonio, Texas, United States

RECRUITING

Outcomes

Primary Outcomes

Change in visual acuity

Change from baseline best corrected visual acuity evaluated in number of letters correctly read on the ETDRS chart

Time frame: 30 days post-operative

Secondary Outcomes

Change in Peli-Robson contrast sensitivity

Change from baseline in contrast sensitivity evaluated in number of letters correctly read on the Peli-Robson chart

Time frame: 30 days post-operative

Change in CSV-1000 contrast sensitivity

Change from baseline in contrast sensitivity evaluated using the number of correct responses on the CSV-1000 test

Time frame: 30 days post-operative

Central Contacts

Ana Hagendorf, PhD

CONTACT

210-805-3036 wandless@uiwtx.edu

Data from ClinicalTrials.gov

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