The capsulorrhexis is a critical step of cataract surgery because it provides access to the lens material and then securely holds the IOL.
The advantage of a tearing a continuous curvilinear capsulorrhexis is that it is strong and resists ripping because there are no weak spots. We also want the capsulorrhexis to overlap the optic edge of the IOL in order to provide long-term stability and a more predictable effective lens position, both of which are important for restoring vision to our patients.
Most of the commonly used IOLs have a single optic that is designed to be fixed and nonmobile
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