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Prevalence of preservatives in post-cataract surgery drops may increase complications
LOS ANGELES — After cataract surgery, patients with ocular surface disease may have increased postoperative issues with wound healing, comfort and vision recovery if topical therapies contain preservatives, according to a speaker here.“Nearly all topical ophthalmic drops contain preservatives. As you can see, the most common is benzalkonium chloride, or BAK. Due to its biochemistry, BAK has surfactant properties and works like a detergent in dissolving the bacterial walls. It is unfortunately not discriminatory between healthy cells and bacteria, and therefore can cause collateral damage,” Jamie Lynne Metzinger, MS, MPH, (Read more...)