This is from a series of dislocated CZ70BD intraocular lenses (IOLs) that were rescued using 8-0 Goretex and employing a Cowhitch knot with 4-point fixation. The CZ70BD IOLs were traditionally sutured to sclera using 10-0 Prolene which has a limited lifespan of approximately 10-15 years before breaking down. Therefore many of these patients may require multiple surgeries on the same lens over decades. Replacing the IOL is an option, however it requires a 7mm wound either scleral tunnel or limbal.⁠
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We’ve modified this technique so that it requires only a single 2.75mm corneal incision, rather than previous methods requiring 2 incisions (inferior+superior) or reopening the 7mm scleral tunnel wound and explanting the CZ70BD IOL completely to wrap the knots around the eyelets.⁠
This technique has provided patients with great centration, stability and immediate results without the risk of future dislocation.⁠
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Many different approaches to this common presentation. Looking forward to hearing what your preferred approaches are!⁠
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