G-Probe™ Glaucoma Device
Transscleral cyclophotocoagulation (TSCPC) using the G-Probe glaucoma device is a long-term, effective intraocular pressure lowering procedure for many types of glaucoma patients. Patients with refractory glaucoma and those with good visual acuity can benefit from TSCPC using the G-Probe.
Treatment Parameters
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Placement
Hold the G-Probe™ parallel to the visual axis with the shorter edge of the footplate firmly between the anterior border and the middle of the limbus. Laser delivery is transscleral.
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Application
Successive applications are spaced one-half the width of the G-Probe footplate apart by aligning a side of the probe over the indented center of the adjacent application.
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Treatment
Administer 18-21 laser applications per treatment session over 270° (three quadrants, six or seven applications per quadrant), usually omitting the temporal quadrant.
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G-Probe treatment parameters are suggested by IRIDEX and are based on recommendations by experienced clinicians. Ultimately, it is the physician’s responsibility to determine appropriate treatment parameters for each case.
Iris Color
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Power
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Duration
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Energy per Application
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Dark Brown
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1250 mW
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4000 ms |
5.00 joules
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All other
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1500 mW
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3500 ms
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5.25 joules
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This array of treatment parameters has been called the “slow coagulation” technique and has proven effective for most eyes.
Download G-Probe Instructions For Use