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The purpose of this study is to examine the influence of selective laser trabeculoplasty (SLT) on ocular rigidity in glaucoma patients.
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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| glaucoma patients | Other | All of the patients treated with SLT need further IOP reduction for control of their glaucoma. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Selective Laser Trabeculoplasty | Procedure | 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. |
| Measure | Description | Time Frame |
|---|---|---|
| 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 |
| Measure | Description | Time Frame |
|---|---|---|
| IOP reduction | Is there an effective IOP drop after SLT? | 4 weeks |
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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
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| Name | Affiliation | Role |
|---|---|---|
| Karin R Hornykewycz, MD | University Eye Clinic Dresden | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Eye Clinic Dresden | Dresden | Saxony | 01307 | Germany |
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| ID | Term |
|---|---|
| D005901 | Glaucoma |
| ID | Term |
|---|---|
| D009798 | Ocular Hypertension |
| D005128 | Eye Diseases |
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