EyeWorld India December 2024 Issue

42 EyeWorld Asia-Pacific | December 2024 REFRACTIVE SURGERY Editors’ note: Dr. Fam Han Bor is a consultant for Alcon, Johnson & Johnson Vision, Nidek, and Zeiss, but has no relevant financial interests related to the comments. About the Physicians Brian Armstrong, MD | Associate Professor of Ophthalmology, Director of Cornea and Refractive Surgery, University of Nebraska Medical Center, Truhlsen Eye Institute, Omaha, Nebraska | brarmstrong@unmc.edu Damien Gatinel, MD, PhD | Head of the Anterior and Refractive Surgery Department, Rothschild Foundation,Paris, France | gatinel@gmail.com Karolinne Maia Rocha, MD, PhD | Professor of Ophthalmology, Medical University of South Carolina, Storm Eye Institute, Charleston, South Carolina | karolinnemaia@gmail.com Relevant Disclosures Armstrong: None Gatinel: Alcon, BVI, Heidelberg Engineering, Moria, Nidek, Rayner Rocha: Alcon, Allergan, Bausch + Lomb, Johnson & Johnson Vision References 1. Rocha KM, et al. Effects of Zernike wavefront aberrations on visual acuity measured using electromagnetic adaptive optics technology. J Refract Surg. 2007;23:953–959. 2. Rocha KM, et al. Enhanced visual acuity and image perception following correction of highly aberrated eyes using an adaptive optics visual simulator. J Refract Surg. 2010;26:52–56. This article originally appeared in the September 2024 issue of EyeWorld. It has been slightly modified and appears here with permission from the ASCRS Ophthalmic Services Corp. Study Location Pupil size (mm) Age (years) Total HORMS (μm) Ocular spherical aberration (μm) Corneal HORMS (μm) Corneal spherical aberration (μm) This study (n=70) Malaysia (ethnic Chinese) 6.0 31.4±6.2 0.554±0.428 0.200±0.174 0.591±0.256 0.312±0.114 Caucasian Wang18 (n=144) United States 6.0 (20-69) 0.334±0.096 0.156±0.082 Porter18 (n=109) United States 5.7 41 (21-65) 0.138±0.103 Salmon4 (n=2560) United States, Spain, Japan 6.0 33.8±7.8 0.327±0.130 0.128±0.096 Wang20 (n=228) United States 6.0 50±17 0.479±0.124 0.281±0.086 Holladay3 (n=71) Sweden 6.0 74 (35-94) 0.27±0.02 Beiko21 (n=696) Canada 6.0 65.6±15.9 0.274±0.089 Netto22 (n=418) United States 6.0 ≥18 0.23±0.11 0.09±0.07 Asian Carkeet23 (n=30) Singapore 6.0 19.7±1.7 0.385±0.118 0.19 Wei24 (n=166) Singapore 6.0 32.1±6.2 0.49±0.16 0.23±0.14 Qu25 (n=70) China 6.0 25.7 (18-37) 0.09±0.11 0.19±0.09 Ninomiya26 (n=33) Japan 6.0 38.7±4.4 0.35±0.11 0.11±0.10 Prakash12 (n=412) India 6.0 23.6±2.0 0.36±0.26 0.03±0.05 Table 1. A comparison of the HOA of various populations. (Lim KL, Fam HB, Ethnic differences in higher-order aberrations: Spherical aberration in the South East Asian Chinese eye. J Cataract Refract Surg. 2009; 35:2144–2148 Q 2009 ASCRS and ESCRS) Figure 1. I look at the cornea HOAs, specifically spherical aberrations (circled), to match the type of IOL that enhances the visual outcome ASIA-PACIFIC PERSPECTIVES

RkJQdWJsaXNoZXIy Njk2NTg0