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G-Probe™ - Control Uncontrolled Glaucoma

G-Probe Glaucoma Device Offers an Office-based, Non-invasive Surgical Solution

Transscleral cyclophotocoagulation (TSCPC) using the G-Probe glaucoma device is a long-term, effective intraocular pressure (IOP) lowering procedure for many types of glaucoma patients.^1-3 Patients with refractory glaucoma and those with good visual acuity can benefit from TSCPC using the G-Probe.

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G-Probe glaucoma device performs transscleral cyclophotocoagulation (TSCPC) to lower IOP through selective ablation of the ciliary processes. This simple, yet effective repeatable procedure can be performed in the office, operating room, or in conjunction with other procedures, like cataract surgery.

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.

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.

Treatment

Administer 18-21 laser applications per treatment session over 270° (three quadrants, six or seven applications per quadrant), usually omitting the temporal quadrant.

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	Power	Duration	Energy per Application
Dark Brown	1250 mW	4000 ms	5.00 joules
All other	1500 mW	3500 ms	5.25 joules

This array of treatment parameters has been called the “slow coagulation” technique and has proven effective for most eyes.

pdf Download the G-Probe IFU

		Revisiting TSCPC as an Option Ophthalmology Today Procedure has ability to lower IOP, preserve vision similar to trabeculectomy and tube shunts Download Now
		Transscleral cyclophotocoagulation effective as early glaucoma treatment Although typically a last line of defense, the treatment has shown to be beneficial early in the glaucoma surgical treatment paradigm. Parag Parekh, MD Download Now
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Compatible Products


IQ 810™ laser		OcuLight® SLx laser console		OcuLight® SL laser console

Model Numbers

Standard Handle 2.5" (6.4 cm)

11256

You can really consider TSCPC in almost all glaucoma situation, even malignant glaucoma. It is not just relegated to end-stage treatment anymore.

Dr. Jeffrey Kammer | Nashville, TN | Vanderbilt Eye Institute

TSCPC is a surgery that can be done before or after any other surgery. It is very versatile from that standpoint.

Dr. Nathan Radcliffe | New York, NY | Weill Cornell Medical College

Recovery with TSCPC is much more rapid and the postoperative care much less involved than with someone who has had an incisional glaucoma case in a surgical center.

Dr. Steven Vold | Springdale, AR | Vold Vision, PLLC

Wilensky JT, Kammer J. Long-term visual outcome of transscleral laser cyclotherapy in eyes with ambulatory vision. Ophthalmology. 2004;111(7):1389-1392.
Egbert PR, Fiadoyor S, Budenz DL, et al. Diode laser transscleral photocoagulation as a primary surgical treatment for primary open angle glaucoma. Arch Ophthalmol. 2001;119:345-350.
Roctchford AP, Jayasawi R, Madhusuhan S, et al. Transscleral diode laser cycloablation in patients with good vision. Br J Ophthalmol. 2010;94(9):1130-1183.

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G-Probe™ - Control Uncontrolled Glaucoma

G-Probe Glaucoma Device Offers an Office-based, Non-invasive Surgical Solution

Placement

Application

Treatment

Iris Color

Power

Duration

Energy per Application

Revisiting TSCPC as an Option
Ophthalmology Today

Transscleral cyclophotocoagulation effective as early glaucoma treatment

Diode Laser Cyclophotocoagulation
Glaucoma Today

Reconsidering Transscleral Cyclophotocoagulation
Glaucoma Today

The Benefits of Transscleral Cyclophotocoagulation
Glaucoma Today

Article G-Probe vs. ECP
Glaucoma Today

Compatible Products

IQ 810™ laser

OcuLight® SLx laser console

OcuLight® SL laser console

Model Numbers

Products

Resources

About IRIDEX

Company

G-Probe™ - Control Uncontrolled Glaucoma

G-Probe Glaucoma Device Offers an Office-based, Non-invasive Surgical Solution

Placement

Application

Treatment

Iris Color

Power

Duration

Energy per Application

Revisiting TSCPC as an Option Ophthalmology Today

Transscleral cyclophotocoagulation effective as early glaucoma treatment

Diode Laser Cyclophotocoagulation Glaucoma Today

Reconsidering Transscleral Cyclophotocoagulation Glaucoma Today

The Benefits of Transscleral Cyclophotocoagulation Glaucoma Today

Article G-Probe vs. ECP Glaucoma Today

Compatible Products

IQ 810™ laser

OcuLight® SLx laser console

OcuLight® SL laser console

Model Numbers

Products

Resources

About IRIDEX

Company

Revisiting TSCPC as an Option
Ophthalmology Today

Diode Laser Cyclophotocoagulation
Glaucoma Today

Reconsidering Transscleral Cyclophotocoagulation
Glaucoma Today

The Benefits of Transscleral Cyclophotocoagulation
Glaucoma Today

Article G-Probe vs. ECP
Glaucoma Today