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E&O Enabled Excimer Laser Trabeculostomy

Endoscopic and OCT (E&O) Enabled Excimer Laser Trabeculostomy preserves the integrity of the surrounding tissues by utilizing a cold laser with a minimally invasive operation with no implants. This is made possible by our patented visualization system which utilizes a real-time 2D & 3D data-backed guidance system to identify and automate the best placement for your procedure.

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How E&O ELT Works


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A single-use fiberoptic probe is introduced through a small incision. A head-up display enables real-time visualization  of the inside the eye which would not otherwise be visible. In this augmented view, super-imposed images guide the surgeon toward the trabecular meshwork.


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In detailed view, our patented guidance system enables the surgeon to direct the probe toward the target location. This allows them to see the eye's natural outflow system beneath the surface, which is also not otherwise visible.


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With the probe at the precise target, excimer laser energy is deployed to excise the trabecular meshwork to create a series of outflow channels. These become gateways to the eye's normal outflow system.​​ E&O ELT leaves no scarring, ensuring longevity and a short recovery time.

Advantages of E&O ELT

Endoscopic and OCT Enabled Excimer Laser Trabeculostomy treats open-angle glaucoma by restoring the natural outflow process in the eye. This Micro Invasive Glaucoma Surgery (MIGS) is  unique in that it requires no implants. This is accomplished by re-establishing the eye’s drainage channels between the trabecular meshwork and Schlemm's canal, which drains the aqueous fluid produced in the eye. The result is a highly effective and long-term stabilization of the lowered intraocular pressure and a reduction in the number of medications needed. ELT is a "cold" laser and creates channels into Schlemm's canal without thermal damage to the trabecular meshwork. With E&O ELT, pressure is reduced with only a few channels, and natural outflow is restored:​

  • No undesirable disruption to the eye's outer surface (as with trabeculectomy or tube shunts)

  • No foreign body implants required

  • Excimer laser technology converts the trabecular meshwork to gas, which further opens the outflow system

  • Cost-effective & Long-Term Solution - results last longer than 12 years 6

  • Shown to be superior in sustained lowering of intraocular pressure (IOP) 2,7 

Endoscopic and OCT Enabled Excimer Laser Trabeculostomy is also readily combined with cataract surgery, enabling your ophthalmic surgeon to perform both procedures at the same time. E&O ELT improves long-term treatment, reduces medication, and prevents frequent stent-related damage in ophthalmologic surgery. ​​​

Better Results with Endoscopic and OCT Enabled Excimer Laser Trabeculostomy

EyeLight Innovation's patented E&O MIGS:

  • Enables more surgeons and patients the opportunity for a much more consistent procedure and better long-term results

  • Enables as much as 5% greater IOP lowering than all other MIGS  2,7

  • Has proven longevity: 12+ years vs. 8 years for stent based MIGS 

  • The only Laser Based MIGS & the only Guided MIGS

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