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Gold shunt developed for glaucoma procedure

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NEW ORLEANS — A 35-µm gold shunt that acts as a channel for egress of aqueous fluid after glaucoma laser surgery “puts the doctor in charge of compliance,” according to the device’s developers.

Gabriel Simon, MD, PhD, director of research for Solx, said the shunt is designed to be inserted in a channel created with a Ti:sapphire laser.

The procedure, called gonioscopic laser trabecular ablation (GLTA), uses the Solx DeepLight laser to open a channel in the trabecular meshwork. The laser delivers microsecond pulses in a near-infrared wavelength. The energy is delivered transcorneally using a goniolens.

Doug Adams, president and chief executive officer of Solx, told attendees here at the American Academy of Ophthalmology meeting that the DeepLight laser has received the CE Mark in Europe. The company has applied for an investigative device exemption in the United States, and the device will be investigated at 10 U.S. sites. He said the procedure can be performed in 7 to 8 minutes in either a hospital or office setting.