Targeting Very Low IOPs: Achieving Single‑Digit Pressures Safely
Trabeculectomy (filtering surgery) creates a new drainage path for fluid (aqueous humor) to leave the eye under the eyelid. Surgeons remove a small...
Antimetabolites
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antimetabolites
Antimetabolites are medicines that slow or block the growth of cells by interfering with the chemicals cells need to divide. They are used in several kinds of medical treatment, including during some eye surgeries, to reduce scarring that could block healing. Common agents used in eye care include mitomycin C and 5-fluorouracil, which are applied in small, controlled amounts. During surgery they may be placed on the tissue briefly or given by injection to lower the chance that the body will form scar tissue that closes a new drainage pathway. When scarring is reduced, surgeries that create new openings for fluid to leave the eye are more likely to succeed and keep pressure low. However, because these drugs affect normal cell growth, they can also slow general healing and increase the risk of complications like thin or fragile tissue and infection. Doctors balance the benefits and risks by adjusting the dose and how the drug is applied, and by monitoring patients closely after treatment. For patients, knowing what antimetabolites do helps explain why they may be used during surgery and why follow-up care is important. Overall, these medicines are powerful tools that can improve surgical outcomes when used carefully and with informed consent.