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

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 and non-ophthalmologists and thought many of you might like to know the answers. In this article, we will discuss the limits of visual acuity, visibility and the limiting optical performance of the human eye.

Surgeon considers meaning of optimum optical performance

Ocular Surgery News U.S. Edition, April 25, 2017
Steven B. Siepser, MD, FACS
The eye is far more complex and variable than we previously thought. As with all biological systems, there are inconspicuous, obscure measurable differences that are not…
In the Journals

New theories on #theDress shed light on spatial filtering

April 11, 2017
Erica L. Dixon and Arthur G. Shapiro used a series of experiments to show how the 2015 dress phenomenon may be explained by variations in a simple spatial filter that…
Publication Exclusive

PUBLICATION EXCLUSIVE: Multifocal IOLs: Patient selection and optical performance

February 6, 2017
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 implant in excess of…
Original Article

Small Incision Lenticule Extraction (SMILE) for Hyperopia: Optical Zone Centration

Journal of Refractive Surgery, March 2017, Volume 33 Issue 3
To evaluate optical zone centration of hyperopic small incision lenticule extraction (SMILE). This prospective study of…
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CME

Eye on an Enigma: New Mechanisms of Action in the Medical Management of Glaucoma

This activity is supported by an educational grant from Bausch + Lomb.

Glaucoma is currently the second leading cause of blindness throughout the world. The goal of glaucoma treatment is to…
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Letters to the Editor

The Use of Femtosecond Laser-Assisted Capsulotomy Is Challenging in Patients With Phacomorphic Glaucoma

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To the Editor: Acute phacomorphic glaucoma occurs secondarily to an increased anteroposterior lens thickness that narrows the iridocorneal angle…

New TechnologySupplemental Data

Noncontact Quantification of Topography of Anterior Corneal Surface and Bowman's Layer With High-Speed OCT

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To quantify keratometry and wavefront aberration of the anterior corneal surface and epithelium–Bowman's layer interface using anterior segment…

ReportSupplemental Data

Management of Interface Fluid Syndrome After LASIK by Descemet Membrane Endothelial Keratoplasty in a Patient With Fuchs' Corneal Endothelial Dystrophy

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To report a case of interface fluid syndrome after LASIK in a patient with Fuchs' corneal endothelial dystrophy treated with Descemet membrane…

Report

AS-OCT as a Rescue Tool During Difficult Lenticule Extraction in SMILE

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To report a case of lenticule adherent to the anterior cap during small incision lenticule extraction (SMILE) and its subsequent management aided by…

Original ArticleSupplemental Data

Customized Topography-Guided Corneal Collagen Cross-linking for Keratoconus

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To compare the efficacy and safety of topography-guided corneal collagen cross-linking (TG-CXL) to conventional corneal CXL (C-CXL) in progressive…

Original ArticleSupplemental Data

Topography-Guided LASIK Versus Small Incision Lenticule Extraction (SMILE) for Myopia and Myopic Astigmatism: A Randomized, Prospective, Contralateral Eye Study

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To compare safety and efficacy of topography-guided LASIK and contralateral eye SMILE for myopia and myopic astigmatism correction. This prospective…

Original ArticleSupplemental Data

LASIK for the Correction of High Hyperopic Astigmatism With Epithelial Thickness Monitoring

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To evaluate outcomes of high hyperopic LASIK using the MEL 80 excimer laser (Carl Zeiss Meditec, Jena, Germany). Retrospective analysis of 830…

Translational Science

Regeneration of Defective Epithelial Basement Membrane and Restoration of Corneal Transparency After Photorefractive Keratectomy

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To study regeneration of the normal ultrastructure of the epithelial basement membrane (EBM) in rabbit corneas that had −9.00 D photorefractive…

Original ArticleSupplemental Data

Prospective Evaluation of Outcomes in Patients Undergoing Treatment for Myopia Using the WaveLight Refractive Suite

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To evaluate outcomes in patients with myopia up to −12.00 diopters (D), with or without astigmatism up to 6.00 D, who underwent LASIK with the…

Original ArticleSupplemental Data

Comparative Analysis of the Clinical Outcomes of SMILE and Wavefront-Guided LASIK in Low and Moderate Myopia

Journal of Refractive Surgery, May 2017, Volume 33 Issue 5
To compare the clinical outcomes of small incision lenticule extraction (SMILE) and wavefront-guided LASIK (WFG LASIK) in eyes with low and moderate…

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