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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.

Browse all IOL & Calculations Resources

Trending IOLs & Calculations Topics

Toric IOLs
IOL Calculations
Multifocal IOLs
IOL Selection
Light-Adjustable IOLs
Extended Depth of Focus IOLs

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.

View the full ASCRS Sunday General Session

Featured Light-Adjustable Lens Presentations

Presentation
What I'm Doing Differently This Year: More Lal's
John A. Hovanesian, MD, FACS, ABO 02:38 minutes
April 2022
Presentation
LAL Has to Come out…Now What?
Neda Shamie, MD 10:10 minutes
April 2022
Presentation
Knowing When to Offer Panoptix When to Offer LAL
Stephen G. Slade, MD, FACS 03:05 minutes
July 2021
Presentation
Mini-Monovision with LAL
David F. Chang, MD 02:49 minutes
July 2021

In-Depth IOL Calculation Instructional Courses

View these in-depth courses on IOLs & Calculations from the 2022 and 2021 ASCRS Annual Meetings.
(2022 ASCRS Annual Meeting courses available to physicians registrants only)

Session
IC-320 Best Practices for IOL Power Selection in 2022
Li Wang, MD, PhD; Warren E. Hill, MD, FACS; Robin R. Vann, MD, ABO; Helga P. Sandoval, MD, MSc; Adi Abulafia, MD 1:30:35 minutes
April 2022
Session
IC-326 IOL Power Club Course: Optimized IOL Power Selection
Giacomo Savini, MD; Kenneth J. Hoffer, MD, ABO; H. John Shammas, MD; Jaime Aramberri, MD; Thomas Olsen, MD, PhD 1:39:32 minutes
April 2022
Session
IC-328 IOL Power Online & Everything Else
Kenneth J. Hoffer, MD, ABO; Giacomo Savini, MD 1:45:27 minutes
April 2022
Session
IC-402 Emerging Technologies to Improve IOL Power Calculation Accuracy
Seth M. Pantanelli, MD, MS; Mitchell P. Weikert, MD, ABO; Julie Schallhorn, MD; David L. Cooke, MD 1:43:30 minutes
April 2022

Session
IC-212 Aiming for IOL Power Success
Kenneth J Hoffer MD 1:38:57 minutes
July 2021
Session
IC-311 IOL Power Club: Optimized Power Selection
Kenneth J. Hoffer, MD 1:41:01 minutes
July 2021
Session
IC-217 Premium and Toric IOLs: How to Use, When to Use, and What Patients Will Benefit from This Technology
Patricia Dee Stephenson, MD 1:36:17 minutes
July 2021
Session
IC-318 Best Practices for IOL Power Selection in 2021
Warren E. Hill, MD, FACS 1:34:42 minutes
July 2021
IOL Calculators

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.

2022 ANnual Meeting

IOLs & Calculations Paper Sessions

Explore hundreds of the latest papers in IOL calculations & technology from the 2022 Annual Meeting. (Registrants only)

Session
SPS-102 Preoperative Tests and IOL Power Calculations
1:29:23 minutes
January 0001
Session
SPS-109 IOL Design and Characteristics
1:12:55 minutes
April 2022
Session
SPS-113 IOLs- Monofocal
1:09:50 minutes
April 2022
Session
SPS-114 Preoperative Tests and IOL Power Calculations II
1:55:31 minutes
April 2022
Session
SPS-115 Surgical Outcomes II
1:03:05 minutes
April 2022
Session
SPS-214 Post-Refractive IOL Calculations
1:02:13 minutes
April 2022
Session
SPS-216 Cataract IOLs - Other
1:20:36 minutes
April 2022
Session
SPS-304 Astigmatism Management and Toric IOL Alignment
1:24:25 minutes
April 2022
Session
SPS-307 Presbyopia Correcting IOLs- Trifocal IOLs
1:25:46 minutes
April 2022
Session
SPS-311 Cataract IOLs- Small Aperture/Pinhole and Other
1:12:36 minutes
April 2022
Session
SPS-314 IOLs- Trifocal
1:18:37 minutes
April 2022
Session
SPS-315 Presbyopia Correcting IOLs- Extended Depth of Focus/Extended Range of Vision IOLs
1:20:44 minutes
April 2022

Extended Depth of Focus IOL Technology

Presentation
New Technology on the Horizon: IC-8
John A. Hovanesian, MD, FACS, ABO 02:38 minutes
April 2022
Presentation
New Technology on the Horizon: First in Class True Accommodating IOL
Elizabeth Yeu, MD 04:57 minutes
April 2022
Presentation
Small Aperture: Bright Future
Robert Edward T. Ang, MD 15:36 minutes
April 2022
Presentation
Rethinking IOL Design to Deliver Accommodation
Matthew Wade, MD 09:18 minutes
April 2022

Trifocal IOL Technology

Presentation
Multifocal IOL Implantation
Huck A. Holz, MD 10:36 minutes
April 2022
Presentation
Favorite Surgical or Pharmacologic Treatment of Presbyopia: Synergy, and then Some....
Elizabeth Yeu, MD 02:55 minutes
April 2022
Presentation
Knowing When to Offer Panoptix When to Offer LAL
Stephen G. Slade, MD, FACS 03:05 minutes
July 2021
Presentation
Vivity and Panoptix/Synergy Expand Eligibility and Satisfaction
John A. Hovanesian, MD 02:19 minutes
July 2021

Toric IOL Alignment Films

View featured toric IOL films from the 40th ASCRS Film Festival at the 2022 ASCRS Annual Meeting(2022 ASCRS Annual Meeting physicians registrants only)

Video
Film 79909: Noval Technique for Prevention of Head Tilt during Manual Pre Operative Corneal Reference Marking for Toric IOL- Baile's Head Aligner
Rahul Baile, MS, FCPS, DOMS 02:53 minutes
April 2022
Video
Film 81346: Topographer Coupled with Toric Marking App
Narendra Verma, DOMS 06:05 minutes
April 2022
Video
Film 82493: Fix That Axis! Swivel Haptic Anterior Capsular Fixation of Toric IOLs
Sri Ganesh, FRCS, MS, DNB; Supriya Sri Ganesh, MBBS, MS 07:49 minutes
April 2022
Video
Film 82726: Toric IOL Marking - Getting It Right !
Supriya Arora, MS; Tarun Arora, MD 07:54 minutes
April 2022

2022 Annual Meeting

SYM-6 - IOL Calculations: What's New, and Challenging Cases

View IOL calculation videos from this 2022 ASCRS Annual Meeting session. (Registrants only)

Presentation
What’s New in IOL Calculation Formulas?
David L. Cooke, MD 10:56 minutes
April 2022
Presentation
What Are the New Devices…and Do I Need to Buy Them?
Mitchell P. Weikert, MD, ABO 16:19 minutes
April 2022
Presentation
IOL Calculation: Post-LVC
Daniel H. Chang, MD, ABO 07:45 minutes
April 2022
Presentation
IOL Calculation: Keratoconus
Sumitra S. Khandelwal, MD, ABO 08:29 minutes
April 2022
Presentation
IOL Calculation: Long Eye
Dagny Zhu, MD, ABO 07:51 minutes
April 2022
Presentation
IOL Calculation: Short Eye/Nanophthalmos
Mitchell P. Weikert, MD, ABO 12:14 minutes
April 2022
Presentation
IOL Calcuations: Toric
Seth M. Pantanelli, MD, MS 07:11 minutes
April 2022
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