The diameter of the sulcus depends on the eye, but it is typically about 12 mm wide. The sulcus can effectively fixate an appropriately designed IOL with good long-term stability and safety.

To describe the safety and stability of sulcus placement of the MA50 intraocular lens (IOL). Consecutive patients with MA50 IOLs placed in the sulcus at the University of Iowa Hospitals and ...

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Key takeaways: Sulcus placement is more technically difficult but preserves endothelial cells. Consider factors such as eye size and scarring when deciding which quadrant to place a tube.