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Interventional Glaucoma

A proactive path to protecting your sight, with less of your day spent managing eye drops.
Glaucoma care doesn't look the way it did a generation ago, and Raleigh Ophthalmology is glad to bring that shift to patients across the Triangle. The idea behind interventional glaucoma is simple: don't wait for the disease to get worse before treatment. Using a combination of modern in-office procedures and medication delivered inside the eye itself, our eye doctors can get ahead of rising eye pressure, take much of the daily upkeep off your shoulders, and help protect your vision for years to come.

Depending on the plan we build together, that can mean:

  • Little to no dependence on a daily drop bottle
  • Eye pressure that stays within a healthy range, more consistently
  • An end to the refill-and-remember routine that drops require
  • Treatment that begins protecting the optic nerve sooner rather than later
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What Is Interventional Glaucoma?

For a long time, treating glaucoma meant climbing a ladder one rung at a time: one drop to start, additional drops layered on as the years passed, and surgery held in reserve until the disease had already progressed significantly. There's nothing wrong with drops, and they remain a valuable part of care. What's changed is our strategy. Interventional glaucoma moves the more definitive tools earlier in the process, so we're not simply reacting to progression after it happens.

Think of it less as a single operation and more as a philosophy of care. It leans on early, low-impact procedures and long-acting medication delivery instead of asking patients to shoulder a drop regimen indefinitely. That preference is grounded in what the research keeps showing us: the sooner and more steadily we lower intraocular pressure, the better a patient's odds of holding on to their vision.

The Catch With Glaucoma Drops

Prescription drops are where most glaucoma treatment begins, and for a good number of patients, they do exactly what they're supposed to. The difficulty isn't the medication itself; it's what a lifetime of using it correctly demands.

Staying on Schedule: Getting a drop into the eye on schedule, every single day, for the rest of your life, turns out to be a tall order. Between busy days, multi-bottle routines, an ordinary slip of memory, and the simple physical challenge of aiming a drop, doses get missed more often than most patients would guess.

Risks of Missed Doses: A missed dose isn't a minor thing. Pressure that drifts upward, even briefly, gives glaucoma room to keep damaging the optic nerve, usually without any symptom to warn you it's happening.

Unpleasant Side Effects: Drops can leave the eyes stinging, red, dry, or briefly blurred, and over time they can change the look of the eyes and lashes.

Costs Add Up: The costs also quietly accumulate, and across decades of treatment they can reach a figure few people anticipate at the outset.

None of this means drops are the wrong choice for everyone. But when they become a burden, stop working well, or don't fit into a patient's life, interventional glaucoma offers a promising alternative.

Our Interventional Glaucoma Treatments

Advanced Options for Long-Term Pressure Control

The treatment or combination of treatments that makes sense for you comes down to your individual eye anatomy, how far your glaucoma has advanced, and what you're hoping to get out of care. Many of these treatments fall under Minimally Invasive Glaucoma Surgery (MIGS), an approach built around the eye's own drainage system that tends to be gentler and quicker to recover from than older glaucoma surgery.
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Selective Laser Trabeculoplasty (SLT)

SLT works by directing brief, low-energy laser pulses at the pigmented cells of the trabecular meshwork. Treating just those cells prompts the eye to clear the drainage pathway and let fluid flow out more freely, bringing pressure down with no incision and no implant involved. Because the laser leaves surrounding tissue untouched, the treatment can generally be repeated later if the situation calls for it.  This procedure can be done in the office.

Durysta

Durysta trades the daily drop bottle for a tiny implant that dissolves on its own. Your physician places it in the eye during an office visit, and from there it releases a steady supply of bimatoprost, a medication that helps fluid move out of the eye and eases the pressure inside. Although the one implant is only visible for about four to six months, the drug can be effective for one year or longer, and is meant as a single treatment, which appeals to patients who would rather not think about a bottle at all.  This procedure can be done in the office.

iDose TR

iDose is a small implant that sits inside the eye and delivers your glaucoma medication, releasing it slowly and without interruption over a long stretch of time. Many patients find their reliance on daily drops falls sharply after iDose, and some can set the bottle aside entirely, all while their pressure stays managed from within.  Studies show that the iDose can be effective for up to 2-3 years.

iStent

Barely visible and counted among the smallest devices ever placed in the human body, the iStent opens a permanent shortcut through the eye's drainage system. With that extra outflow route in place, fluid escapes more easily, and pressure comes down. It's frequently placed during cataract surgery, handling both problems in one sitting.  This procedure can be done standalone or be combined with cataract surgery.

Hydrus Microstent

Roughly the length of an eyelash, the Hydrus is threaded into the eye's natural drainage canal, where it acts like a scaffold that holds the channel open so fluid keeps circulating. In clinical use, it has both lowered eye pressure and trimmed the number of medications many patients need to stay controlled. This procedure can be combined with cataract surgery.

OMNI Surgical System Canaloplasty

OMNI accomplishes two things in one incisionless pass. First comes viscodilation, which reopens the eye's primary drainage canal; then a titratable trabeculotomy improves the way fluid filters through the trabecular meshwork. Folding both steps into a single procedure keeps things efficient, and the whole thing often wraps up in around ten minutes.

Is Interventional Glaucoma Right for You?

You may be a good candidate for interventional glaucoma treatment if:

  • You've been diagnosed with glaucoma in its early or moderate stages
  • Keeping up with a daily drop schedule has become a struggle
  • The drops you're on bring side effects you'd rather live without
  • You'd like to lean on medication less, ideally not at all
  • You already have cataract surgery on the horizon and like the idea of tackling both at once
  • You want to be proactive about your long-term vision and eye health

The only way to know for certain is a comprehensive evaluation with one of our eye doctors. Once we've examined your eyes, we'll talk through the choices in plain terms and point you toward the plan that fits your eyes, your daily life, and your goals.

Meet Your Glaucoma Care Team

Our glaucoma physicians will be with you through every stage, from that first evaluation through treatment and ongoing follow-up.

Frequently Asked Questions

The traditional route is essentially a waiting game, adding medications one by one and holding surgery back until the disease insists on it. An interventional approach reorders those priorities, putting minimally invasive procedures and in-eye medication delivery on the table much earlier. The payoff we're after is threefold: guarding the optic nerve sooner, keeping pressure steadier over the long run, and lifting the daily treatment burden off the patient.

Sometimes, though it depends on your chosen treatment and your individual case. Plenty of patients come away needing far fewer drops than before, and a portion can stop altogether. Rather than promise a specific outcome, we'll give you a candid read at your evaluation on what's realistic for your stage of glaucoma and the option you choose.

While there are risks with any procedure, the interventional treatments we use, particularly the MIGS options, were designed from the start to be less invasive than conventional glaucoma surgery: small or no incisions, cooperation with the eye's own drainage, and a recovery that rarely disrupts daily life for long. Your physician will walk you through the specific pros and cons for your case before anything is scheduled.

Often, yes, and it's one of the real advantages of doing this early. Several interventional treatments can be performed in the same session as cataract surgery, so both conditions get handled in a single visit to the OR. Whether that combination suits you depends on your overall eye health, which your surgeon will assess.

A Smarter Way Forward for Glaucoma

Glaucoma is a lifelong diagnosis, but it doesn't have to run your life. Treating it early and actively lets our team get your pressure under control before the disease gains ground, preserve more of your vision, and put together a plan that bends to your routine instead of the reverse.

Raleigh Ophthalmology is proud to give patients in Raleigh, North Raleigh, and Clayton a modern answer to a condition that deserves one.

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