Preservative-Free vs. Preserved Artificial Tears

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2026-09-30 05:19:45 - Traduire -

When selecting artificial tears, one important consideration is whether the product contains preservatives. Preservatives prevent bacterial growth in multi-use bottles, extending shelf life after opening. However, they can irritate the eyes, particularly with frequent use or in patients with sensitive eyes or ocular surface disease. Preservative-free artificial tears avoid this issue but are...

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