5 Key Takeaways

• 1

  The PRESERFLO MicroShunt is a less invasive option for lowering intraocular pressure in progressive glaucoma.

• 2

  Exposure to petrolatum-based ophthalmic ointment can cause marked swelling and structural failure of the MicroShunt.

• 3

  Three clinical cases demonstrated MicroShunt swelling after the use of petrolatum-based ointment postoperatively.

• 4

  In vitro experiments confirmed that direct contact with petrolatum-based ointment is a key trigger for swelling.

• 5

  Clinicians should avoid petrolatum-based ointments when the MicroShunt is exposed or conjunctival integrity is compromised.