Using CTRs in practice/ September 2023 EYEWORLD
Using CTRs in practice Cataract: Complicated cases September 2023 EYEWORLD by Ellen Stodola Editorial Co-Director A capsular tension ring (CTR) can be a useful tool for ophthalmologists to have on hand during surgery. Two physicians discussed the available products, when the best time is to use them, and methods for good placement. John Hart Jr., MD, said there are three CTR products that he routinely uses: a standard CTR, a Cionni CTR, and the Ahmed capsular tension segment. “I use a CTR in approximately 10% of my cataract cases,” Dr. Hart said. “Patients with zonular abnormalities are commonly referred to me by other ophthalmologists. I think that most ophthalmologists don’t use them as frequently as I do.” When a CTR is properly positioned in the capsular bag, it distributes support from areas with intact zonules to areas with weak or missing zonules, Dr. Hart said. The CTR also keeps the equator of the capsular bag expanded in areas where zonules are missing. “This is i...

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