Recruiting

Superior vs. Temporal

Sponsor:

University of the Incarnate Word

Code:

NCT03352492

Conditions

Glaucoma, Angle-Closure

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

Interventions

Superior laser peripheral iridotomy

Temporal laser peripheral iridotomy

Study Details

Brief summary:

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

Conditions

Glaucoma, Angle-Closure

Study ID

NCT03352492

Start date

Jan 1, 2018

Status verified date

Apr, 2020

Completion date

Feb, 2021

Anticipated

Primary completion date

Feb, 2021

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

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

Study Design

Enrollment

200 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Supportive Care

Interventions and Outcome Measures

Arms

experimental: Bilateral iridotomy: Superior

Each subject in this single-arm study undergoes bilateral laser peripheral iridotomy surgery. Each participant will undergo superior laser peripheral iridotomy in one eye and temporal laser peripheral iridotomy in the fellow eye.

experimental: Bilateral iridotomy: Temporal

Each subject in this single-arm study undergoes bilateral laser peripheral iridotomy surgery. Each participant will undergo superior laser peripheral iridotomy in one eye and temporal laser peripheral iridotomy in the fellow eye.

Interventions

Superior laser peripheral iridotomy

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

Temporal laser peripheral iridotomy

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

Primary outcome measure

  • Change in visual acuity [ Time Frame: 30 days post-operative ]

Central Contacts and Locations

Central contacts

Ana Hagendorf, PhD

210-805-3036wandless@uiwtx.edu

Locations

University of the Incarnate Word

Recruiting

San Antonio, Texas, United States, 78209

Contacts

Ana C Hagendorf, PhD

210-805-3036wandless@uiwtx.edu

More Information

Sponsor

University of the Incarnate Word

Last update posted

Apr 14, 2020

Last verified

Apr, 2020

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by University of the Incarnate Word on 2020-04-14.