Bausch + Lomb Uses SIMULIA Abaqus FEA for Cataract Surgery Simulation

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Bausch + Lomb Uses SIMULIA Abaqus FEA for Cataract Surgery Simulation

Case study showing how Abaqus FEA models IOL insertion to reduce incision size, validate lens strain, and shorten product development cycles.

Published

June 4, 2026

Read time

3 min read

Source

Bausch + Lomb applies SIMULIA Abaqus FEA to simulate intraocular lens (IOL) insertion during cataract surgery. The model handles large nonlinear deformations, self-contact, and hyper-elastic materials to predict insertion force, lens strain, and deformation geometry. Validated against physical tests, the simulation supports design iterations that target sub-2 mm incisions while reducing development time and cost.

Key takeaways

Abaqus FEA models hyper-elastic IOL deformation and self-contact during insertion through sub-2 mm incisions.

Simulation results for insertion force and lens strain correlate with physical test data and observed failure locations.

FEA shortens design cycles by replacing some physical prototypes and enabling rapid iteration on lens and inserter geometry.

Model uses 250,000 elements with Abaqus/Explicit, Neo-Hookean material properties, and mass scaling for feasible run times.

Validated model supports development of thinner lenses and new inserter designs to improve post-surgical visual outcomes.

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