5 Key Takeaways

• 1

  Patients must use nonpreserved saline to fill scleral lenses, impacting corneal health and comfort.

• 2

  Three main categories of preservative-free saline are nonbuffered, buffered, and electrolyte-enhanced.

• 3

  Buffered saline is pH balanced for comfort, while electrolyte-enhanced saline mimics natural tears.

• 4

  Practitioners should consider patients' ocular conditions when recommending saline solutions.

• 5

  Using preserved saline or reusing single-use vials can lead to corneal toxicity and infections.