Viscocanalostomy Surgery in the Philippines
Overview of Viscocanalostomy
Viscocanalostomy is a type of non-penetrating glaucoma surgery designed to reduce intraocular pressure (IOP) without fully entering the eye’s anterior chamber. It involves creating a controlled opening in the sclera and injecting a viscoelastic material into Schlemm’s canal to improve aqueous humor drainage.
This procedure is often considered a safer alternative to trabeculectomy, as it minimizes complications like hypotony or sudden pressure drops.
How Viscocanalostomy Works
The surgeon creates a scleral flap and exposes Schlemm’s canal. A viscoelastic gel is then injected into the canal to expand the drainage pathway, facilitating natural fluid outflow. Unlike trabeculectomy, this method avoids creating a filtering bleb, reducing the risk of bleb-related infections.
Benefits of Viscocanalostomy
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Non-penetrating technique reduces major complications
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Gradual and controlled reduction of eye pressure
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Lower risk of hypotony compared to traditional surgery
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Shorter recovery period
Risks and Considerations
Although safer than some other glaucoma surgeries, Viscocanalostomy carries potential risks, such as:
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Scar tissue formation reducing long-term success
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Mild inflammation after surgery
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Possible need for additional procedures if pressure control is inadequate
Regular follow-up visits are essential to maintain surgical success.
Availability of Viscocanalostomy in the Philippines
Is Viscocanalostomy widely available in the Philippines?
Currently, this procedure is not as common as trabeculectomy or MIGS and is primarily performed in specialized glaucoma centers in major cities such as Metro Manila and Cebu. Due to the advanced surgical skills required, only a few glaucoma specialists offer this option.
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Cost of Viscocanalostomy in the Philippines
The cost of Viscocanalostomy surgery varies depending on the hospital, surgeon, and whether special implants or devices are used. In the Philippines, the price generally ranges from ₱80,000 to ₱130,000, which may increase if combined with advanced techniques or other procedures.
Who Should Consider Viscocanalostomy?
This surgery is recommended for:
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Patients with open-angle glaucoma who need better pressure control
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Individuals who are at higher risk of complications from trabeculectomy
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Those who prefer a safer, non-penetrating glaucoma surgery
Recovery and Post-Operative Care
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Most patients recover within 2–4 weeks
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Post-operative care includes anti-inflammatory eye drops and regular monitoring
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Patients may still require glaucoma medications, but often at a reduced dosage
