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The Effect of Trabeculectomy & Ex-PRESS Glaucoma Drainage Implant on the Corneal Biomechanical Properties

Glaucoma Eye Clinical Trial

Official title:
The Effect of Antiglaucoma Procedures (Trabeculectomy vs. Ex-PRESS Glaucoma Drainage Implant) on the Corneal Biomechanical Properties

Clinical Trial Summary

This study aims to look into the change of the corneal biomechanical properties in patients undergoing insertion of the Ex-PRESS mini shunt or trabeculectomy for medically uncontrolled glaucoma

Clinical Trial Description

The patients in the study were divided into two groups. In group 1 the patients had the Ex-PRESS mini shunt inserted in the operated eye and in group 2 the patients underwent standard trabeculectomy. The corneal biomechanical properties were measured with the Ocular Response Analyzer before surgery and at 1, 6 and 12 months after surgery. The corneal biomechanical properties measured were the Corneal Hysteresis (CH) and the Corneal Resistance Factor (CRF). The change of the CH and CRF was compared in each group before and after surgery (at the aforementioned predetermined time points) and between the two groups. The intraocular pressure was also measured with the Goldmann applanation tonometer at the same time points and the change was compared before and after surgery in each group and between the two groups. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04648943
Study type Interventional
Source Democritus University of Thrace
Contact
Status Completed
Phase N/A
Start date July 1, 2013
Completion date November 30, 2016
View Details
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