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• Glaucoma laser treatment can help lower eye pressure by improving fluid drainage or changing how fluid moves through the eye.
• Selective Laser Trabeculoplasty, or SLT, is commonly used for open-angle glaucoma.
• Laser Peripheral Iridotomy, or LPI, is often used when narrow angles create a risk of angle closure.

If you have been diagnosed with glaucoma, your treatment plan may include medication, glaucoma laser treatment, surgery, or a combination of approaches. The goal is to control eye pressure and protect the optic nerve from further damage. Glaucoma laser surgery may sound intimidating, but many laser procedures are performed in an outpatient setting and require no incisions or stitches.

How Glaucoma Laser Treatment Works

Glaucoma is often associated with increased pressure inside the eye when fluid does not drain as effectively as it should. Laser treatment uses focused light energy to target specific structures involved in fluid drainage. The procedure selected depends on the type of glaucoma, the eye's anatomy, current eye pressure, and how the condition has responded to other treatment. Laser treatment does not cure glaucoma. Instead, it is one tool our ophthalmologists may use to help manage eye pressure and reduce the risk of additional optic nerve damage.

SLT for Open Angle Glaucoma

Selective Laser Trabeculoplasty, commonly called SLT, targets the trabecular meshwork, which is part of the eye's natural drainage system. The laser encourages biological changes that can help fluid leave the eye more efficiently. SLT is generally used for open-angle glaucoma. It may be considered as an initial treatment or used alongside glaucoma medications. Because every patient responds differently, follow-up pressure checks are important to determine how well the treatment is working and whether additional care is needed.

LPI for Narrow Angles and Angle Closure Risk

Laser Peripheral Iridotomy, or LPI, is used for patients with anatomically narrow angles or certain forms of angle-closure glaucoma. During the procedure, the laser creates a very small opening in the iris. This opening provides another pathway for fluid to move through the eye and can help prevent a dangerous rise in eye pressure caused by angle closure. For patients who are at risk, LPI may be recommended as a preventive procedure. It can also be used when angle closure requires urgent treatment.

What to Expect During and After Laser Treatment

Most glaucoma laser procedures are completed in the office. Numbing drops are typically used before treatment, and patients may notice bright flashes of light or mild pressure during the procedure. Temporary blurred vision, irritation, or soreness may occur afterward. Your ophthalmologist will provide instructions based on the procedure and your individual eye health. You may need follow-up visits to check eye pressure, and some patients continue using glaucoma medications after successful laser treatment.

Personalized Glaucoma Care in the Tampa Bay Area

There is no single laser procedure that is right for every person with glaucoma. At Advanced Cataract & Glaucoma Care, PLLC, we evaluate the type and severity of glaucoma, eye anatomy, treatment history, and pressure goals before recommending care. If you have questions about SLT, LPI, or other glaucoma treatment options, contact us to schedule a consultation. We can explain the benefits, possible risks, and next steps based on your individual needs.

Key Points

• MIGS procedures are designed to lower eye pressure while minimizing disruption to the eye.
• Trabeculectomy can provide substantial pressure reduction by creating a new drainage pathway.
• The right glaucoma procedure depends on disease severity, eye pressure goals, anatomy, and previous treatments.

When glaucoma cannot be adequately managed with medication or laser treatment alone, surgery may be considered to help lower eye pressure and protect the optic nerve. Two options patients may encounter are MIGS glaucoma surgery and trabeculectomy. Although both are designed to improve fluid drainage and reduce pressure, they differ in how they are performed, their recovery demands, and the amount of pressure reduction they may provide.

What Is MIGS?

MIGS stands for minimally invasive glaucoma surgery. Rather than describing one specific operation, MIGS refers to a group of procedures that use small incisions and techniques designed to improve fluid drainage with less disruption to surrounding eye structures. Some MIGS procedures use tiny implanted devices, while others modify the eye's existing drainage pathways without leaving an implant behind. Certain procedures can also be performed during cataract surgery. For appropriate patients, MIGS glaucoma procedures may offer a favorable safety profile and a relatively quick recovery. They are commonly considered for patients with mild to moderate glaucoma who need better pressure control or would like to reduce their dependence on glaucoma medications.

What Is Trabeculectomy?

Trabeculectomy is a traditional glaucoma filtration surgery. During the procedure, the surgeon creates a new pathway that allows fluid to drain from inside the eye to an area underneath the tissue covering the eye. This creates a small filtering area known as a bleb. Trabeculectomy can often achieve lower eye pressures than many MIGS procedures, making it an important option for people with advanced glaucoma or patients who require a particularly low target pressure. Because the procedure changes the eye's drainage system more substantially, recovery and follow-up are generally more involved.

MIGS vs. Trabeculectomy: Key Differences

Neither procedure is automatically better for every patient. Important differences include:

• Pressure reduction: Trabeculectomy can often achieve greater reductions in eye pressure.
• Recovery: Many MIGS procedures involve less tissue disruption and may allow a faster recovery.
• Safety: MIGS generally carries a lower risk of serious complications than traditional filtration surgery.
• Glaucoma severity: MIGS is often considered for mild to moderate glaucoma, while trabeculectomy may remain necessary when more aggressive pressure reduction is required.

Which Glaucoma Surgery Is Right for You?

Choosing between MIGS and trabeculectomy requires more than comparing recovery times. Your ophthalmologist may consider your current eye pressure, target pressure, stage of glaucoma, medication use, previous treatments, eye anatomy, and overall eye health. That is why working with a glaucoma specialist who understands both minimally invasive and traditional surgical approaches matters. The goal is to select a treatment that balances pressure reduction and safety for your individual situation.

Personalized Glaucoma Surgery in the Tampa Bay Area

Advanced Cataract & Glaucoma Care, PLLC provides glaucoma treatment guided by advanced technology and personalized care. Our team evaluates each patient's condition and vision needs before recommending a surgical approach. If you are considering glaucoma surgery or want to understand whether MIGS or trabeculectomy may be appropriate for you, contact us to schedule a consultation to discuss options, benefits, and possible risks.  

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