Clinical Optics 101

Clinical Optics 101

Clinical Optics 101

Cataract outcomes: Getting the best results, now and in the near future

Ocular Surgery News U.S. Edition, June 10, 2018
Jack T. Holladay, MD, MSEE, FACS
Patient expectations to be less dependent or free of spectacles have become increasingly important with premium IOLs. In this article, I will explain…
Clinical Optics 101

Small aperture IOLs will be helpful in patients with significant corneal higher-order aberrations

Ocular Surgery News U.S. Edition, January 25, 2018
Jack T. Holladay, MD, MSEE, FACS
The pinhole is well-known to the practitioner to determine the potential vision of a patient without having to perform a refraction. A 1.2-mm pinhole…
Clinical Optics 101

Should I choose distance vision in both eyes, monovision, EDOFs or multifocals?

Ocular Surgery News U.S. Edition, August 10, 2017
Jack T. Holladay, MD, MSEE, FACS
Deciding the refractive target and IOL for cataract surgery is a daunting task for both the surgeon and patient. The first two questions that must be…
Clinical Optics 101

Expert considers limits of visual acuity, visibility and optical performance of human eye

Ocular Surgery News U.S. Edition, May 10, 2017
Jack T. Holladay, MD, MSEE, FACS
What is the farthest a human can see? What is the best recorded visual acuity? How far is the horizon? I am often asked these questions by clinicians…
Clinical Optics 101

Multifocal IOLs: Patient selection and optical performance

Ocular Surgery News U.S. Edition, February 10, 2017
Jack T. Holladay, MD, MSEE, FACS
Multifocal IOLs have slightly less than 5% of the market in the U.S., which has been constant for the past 5 years. Yet, there are practices that…
Clinical Optics 101

Managing excessive residual astigmatism after toric IOL implantation

Ocular Surgery News U.S. Edition, November 10, 2016
Jack T. Holladay, MD, MSEE, FACS
Even though 90% of our toric IOL cases should be within 0.5 D of residual astigmatism, there will be cases in which the outcome is intolerable for…
Clinical Optics 101

Accurate corneal power measurements for IOL calculations

Ocular Surgery News U.S. Edition, September 10, 2016
Jack T. Holladay, MD, MSEE, FACS
Outcomes following cataract surgery with greater than 90% of patients within 0.5 D of the target spheroequivalent refraction are achieved by less…
Clinical Optics 101

Premium IOL centration and patient suitability

Ocular Surgery News U.S. Edition, July 10, 2016
Jack T. Holladay, MD, MSEE, FACS
Proper centration of premium IOLs — diffractive multifocal, moderate to high toric, and aspheric — is critical to achieve the maximum…
Clinical Optics 101

Achieving optimal outcomes with toric IOLs

Ocular Surgery News U.S. Edition, April 25, 2016
Jack T. Holladay, MD, MSEE, FACS
Toric IOLs provide an excellent means of correcting pre-existing corneal astigmatism with cataract surgery. Current studies have shown that the…