Why discard eye drops after 90 days?
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4 min read
Studies have shown that used eye drop containers can have contamination rates ranging from 2% to as high as 72.8%, depending on various factors [1.9.2, 1.9.3]. This significant risk of contamination is a primary reason behind the guidance on why to discard eye drops after 90 days, or often sooner, to prevent serious eye infections.
