06Apr 2024
Visual Field Outcomes in the Primary Tube Versus Trabeculectomy Study

Visual Field Outcomes in the Primary Tube Versus Trabeculectomy Study

The Primary Tube Versus Trabeculectomy (PTVT) Study compared visual field outcomes in glaucoma patients undergoing tube shunt surgery or trabeculectomy. Over five years, 155 eyes underwent standard automated perimetry (SAP) tests. Results showed no significant difference in mean rates of visual field change between the two surgeries. However, worse intraocular pressure (IOP) control was associated with faster rates of SAP mean deviation (MD) loss during follow-up. Older age was also identified as a risk factor for faster progression in both treatment groups.

  • #ophthalmology

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