IOLs & Calculations Resources
IOLs & Calculations Education
Explore the latest in IOLs and IOL calculations by selecting popular topics to the right, or click below to browse across all ASCRS resources on IOLs and IOL calculations.
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In-Depth IOL Calculation Instructional Courses
View these in-depth courses on IOLs & Calculations from the 2023 and 2022 ASCRS Annual Meetings.
(2023 ASCRS Annual Meeting courses available to physicians registrants only)
Light-Adjustable Lens Presentations
Featured Presentation
Warren E. Hill, MD, FACS gives the keynote Lindstrom Lecture, "Improving IOL Power Calculation Accuracy...Are We There Yet?" in the Sunday General Session at the 2022 ASCRS Annual Meeting held in Washington, DC.
The Inaugural ASCRS Lindstrom Lecture acknowledges the 40+ years of immeasurable contributions to ASCRS by Richard Lindstrom, MD.

Barrett Toric Calculator
This calculator is intended to be used in conjunction with a comprehensive ophthalmic examination and the appropriate diagnostic tests and measurements necessary for cataract surgery candidates being considered for a Toric intraocular lens.

Hill-RBF Calculator
The Hill-RBF Calculator is an advanced, self-validating method for IOL power selection employing pattern recognition and sophisticated data interpolation. It has been optimized for use with the Haag-Streit LENSTAR, using optical biometry for all axial measurements and high density autokeratometry.

Post-Refractive IOL Calculator
This calculator facilitates IOL power calculation in eyes that have undergone LASIK/PRK/RK. The IOL Calculator is meant to serve as an adjunct tool to assist physicians in selecting the appropriate IOL for a particular patient.
IOLs & Calculations Paper Sessions
Explore hundreds of the latest papers in IOL calculations & technology from the 2023 Annual Meeting. (Registrants only)
Extended Depth of Focus IOL Technology
SYM-10 - Making the Uncomfortable Comfortable: Strategies for Managing Complex Cases and Advanced Technology IOLs Part I
View this session from this 2023 ASCRS Annual Meeting session. (Registrants only)
Toric IOL Alignment Films
All ASCRS members may view these featured toric IOL films from the 40th ASCRS Film Festival at the 2022 ASCRS Annual Meeting.