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

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ClinicalTrials.gov Identifier: NCT03352492
Recruitment Status : Recruiting
First Posted : November 24, 2017
Last Update Posted : November 28, 2017
Sponsor:
Information provided by (Responsible Party):
Richard Trevino, OD, FAAO, University of the Incarnate Word

November 20, 2017
November 24, 2017
November 28, 2017
February 16, 2016
February 2020   (Final data collection date for primary outcome measure)
Change in visual acuity [ Time Frame: 30 days post-operative ]
Change from baseline best corrected visual acuity evaluated in number of letters correctly read on the ETDRS chart
  • Visual acuity [ Time Frame: 30 days post-operative ]
  • Contrast sensitivity [ Time Frame: 30 days post-operative ]
Complete list of historical versions of study NCT03352492 on ClinicalTrials.gov Archive Site
  • Change in Peli-Robson contrast sensitivity [ Time Frame: 30 days post-operative ]
    Change from baseline in contrast sensitivity evaluated in number of letters correctly read on the Peli-Robson chart
  • Change in CSV-1000 contrast sensitivity [ Time Frame: 30 days post-operative ]
    Change from baseline in contrast sensitivity evaluated using the number of correct responses on the CSV-1000 test
Not Provided
Not Provided
Not Provided
 
Effect of Peripheral Laser Iridotomy Placement on Post-operative Visual Function
Effect of Peripheral Laser Iridotomy Placement on Post-operative Visual Function
To evaluate the influence of superior versus temporal laser peripheral iridotomy location on post-operative visual acuity and contrast sensitivity.
Not Provided
Interventional
Not Applicable
Intervention Model: Single Group Assignment
Masking: Single (Participant)
Primary Purpose: Supportive Care
Glaucoma, Angle-Closure
  • Procedure: Superior laser peripheral iridotomy
  • Procedure: Temporal laser peripheral iridotomy
Experimental: Bilateral iridotomy
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:
  • Procedure: Superior laser peripheral iridotomy
  • Procedure: Temporal laser peripheral iridotomy
Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruiting
200
Same as current
February 2020
February 2020   (Final data collection date for primary outcome measure)

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
Sexes Eligible for Study: All
18 Years and older   (Adult, Older Adult)
No
Contact: Ana Hagendorf, PhD 210-805-3036 wandless@uiwtx.edu
United States
 
 
NCT03352492
16-02-003
Not Provided
Not Provided
Plan to Share IPD: No
Richard Trevino, OD, FAAO, University of the Incarnate Word
University of the Incarnate Word
Not Provided
Principal Investigator: Richard Trevino, OD University of the Incarnate Word
University of the Incarnate Word
November 2017

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP