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NCT01247831 Clinical Trial

The Effect of Selective Laser Trabeculoplasty (SLT) on Ocular Rigidity

Glaucoma Clinical Trial

— SLT/ORA  

Official title:
The Effect of Selective Laser Trabeculoplasty (SLT) on Ocular Rigidity

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT01247831
Other study ID # SLT/ORA/1
Secondary ID
Status Completed
Phase N/A
First received November 23, 2010
Last updated February 6, 2017
Start date November 2010
Est. completion date August 2011

Study information
Verified date February 2017
Source Technische Universität Dresden
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to examine the influence of selective laser trabeculoplasty (SLT) on ocular rigidity in glaucoma patients.

Description:

Ocular Rigidity (corneal hysteresis and corneal resistance factor) is measured with the Ocular Response Analyzer (Reichert) before and 4 weeks after SLT (Q-switched 532 nm frequency doubled neodymium yttrium aluminium garnet laser with a spot size of 400 µm and a 3-ns pulse duration). The trabecular meshwork is treated with 100 spots over 360° and an energy of 0,8 mJ.

The purpose is to examine if selective laser trabeculoplasty changes ocular rigidity.

Recruitment information / eligibility
Status Completed
Enrollment 150
Est. completion date August 2011
Est. primary completion date August 2011
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

glaucoma patients (primary open angle glaucoma, ocular hypertension) over the age of 18 who need further IOP reduction to control their glaucoma

Exclusion Criteria:

other forms of glaucoma (angle closure, secondary glaucoma, congenital, juvenile), acute psychosis, epilepsy

Study Design

Related Conditions & MeSH terms

Intervention

Procedure:
• Selective Laser Trabeculoplasty
100 spots with an energy of 0,8 mJ are applied over 360° of the trabecular meshwork of glaucoma patients with a Q-switched 532 nm frequency doubled neodymium YAG Laser.

Locations
Country Name City State
Germany University Eye Clinic Dresden Dresden Saxonia

Sponsors (1)
Lead Sponsor Collaborator
Technische Universität Dresden

Country where clinical trial is conducted

Germany, 

Outcome
Type Measure Description Time frame Safety issue
Primary change in ocular rigidity Is there a change in ocular rigidity (corneal hysteresis, corneal resistance factor) as measured with the Ocular Response Analyzer (Reichert) after selective laser trabeculoplasty? 4 weeks
Secondary IOP reduction Is there an effective IOP drop after SLT? 4 weeks
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