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The Ophthalmologist / Issues / 2026 / January / When Ointment Meets Implant
Glaucoma Health Economics and Policy

When Ointment Meets Implant

Petrolatum-based ointments induce swelling in exposed PERSERFLO MicroShunts

1/27/2026 2 min read

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Clinical Scorecard: When Ointment Meets Implant

At a Glance

CategoryDetail
ConditionProgressive Glaucoma
Key MechanismsExposure to petrolatum-based ophthalmic ointment causes swelling and structural failure of the PRESERFLO MicroShunt.
Target PopulationPatients with progressive glaucoma undergoing MicroShunt implantation.
Care SettingPostoperative ophthalmic care.

Key Highlights

  • PRESERFLO MicroShunt offers a less invasive alternative to trabeculectomy.
  • Petrolatum-based ointment exposure can lead to marked swelling and device failure.
  • Swelling localized to the exposed subconjunctival portion of the MicroShunt.
  • Comparison with non-exposed devices shows no swelling.
  • Avoid petrolatum-based ointments when MicroShunt is exposed or conjunctival integrity is compromised.

Guideline-Based Recommendations

Diagnosis

  • Monitor for signs of MicroShunt exposure and conjunctival integrity.

Management

  • Avoid petrolatum-based ophthalmic ointments in patients with exposed MicroShunt.

Monitoring & Follow-up

  • Regularly assess the integrity of the MicroShunt and surrounding conjunctiva.

Risks

  • Potential for marked swelling and structural failure of the MicroShunt.

Patient & Prescribing Data

Patients with progressive glaucoma receiving MicroShunt implants.

Postoperative management should exclude petrolatum-based ointments to prevent complications.

Clinical Best Practices

  • Educate patients on the risks of using petrolatum-based ointments post-surgery.
  • Implement alternative postoperative care strategies that do not involve petrolatum-based products.

References

  • Graefe's Archive for Clinical and Experimental Ophthalmology

This content is an AI-generated, fully rewritten summary based on a published scholarly article. It does not reproduce the original text and is not a substitute for the original publication. Readers are encouraged to consult the source for full context, data, and methodology.

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