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EYEREUM OPHTHALMIC CLINIC
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OCULUS - PENTACAM Holladay Report
Dr. David Sung Yong Kang Delivers Lectures on PresbyMAX and Plasma KLEx
Dr. David Sung Yong Kang Delivers Lectures on PresbyMAX and Plasma KLEx at the Schwind User Meeting in Bangkok
At the Schwind User Meeting held in Bangkok, Thailand,
Dr. David Sung Yong Kang of Eyereum Eye Clinic delivered a comprehensive lecture on the PresbyMAX workflow, clinical application, and surgical procedure.
During his presentation, Dr. Kang explained the core principles of PresbyMAX presbyopia correction,
sharing clinical insights on how to maintain negative spherical aberration of the cornea while enhancing near vision.
He emphasized that presbyopia correction surgery is not merely about improving visual acuity,
but requires precise surgical planning that also considers future cataract surgery.
EYEREUM EYE CLINIC PresbyMAX®: A universe of possibilities. Customizable presbyopia treatment planning.
Ideal Ablation Patterns Matched For Acceptable Ablation Depth And Post Op. K's
Metric Value Overall OPD Pupil centered RMS 0.03 μm Ø 6.00 mm
Presbyopia and Cataract Surgery after Previous Laser Vision Correction
Dr. Kang also addressed the management of patients who have previously undergone
laser vision correction procedures such as LASIK or LASEK.
He highlighted that when such patients later require presbyopia correction or cataract surgery,
corneal normalization treatments to correct irregular corneal optics should be performed first,
followed by presbyopia-cataract surgery, in order to achieve higher-quality visual outcomes.
These recommendations were supported by actual surgical outcomes and clinical results.
Efficacy Of Both Eyes - Far And Near VA
Binocular VA Distance vs Near at 3 Months Postop
Distance Vision Near Vision J1 Near Vision J2 Near Vision J3 Near Vision J4 20/16 10% 10% 10% 0% 20/20 61% 93% 93% 0% 20/25 87% 93% 100% 93% 20/32 53% 73% 80% 33% Summary Statistics
Live Clinical Experience Shared by an Ophthalmologist Patient
In July, Dr. Kishore Pradhan, an ophthalmologist who personally underwent PresbyMAX surgery performed by Dr. Kang,
attended the meeting in person and shared his firsthand surgical experience and postoperative visual improvement.
His presentation received significant attention from the audience.
I really was amazed how clear I could see the dial of my watch!
My own PresbyMAX treatment – Immediate postop
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Plasma KLEx Lecture
In a separate lecture on Plasma KLEx,
Dr. Kang introduced methods to significantly reduce corneal higher-order aberrations
during lenticule extraction procedures such as SMILE,
based on study results published in the Journal of Refractive Surgery.
David Sung Yong Kang¹, Kangyoon Kim¹, Soyoung Ryu¹, Samuel Arba-Mosquera³, Tae-im Kim² Financial Disclosure: D. Kang is a consultant for SCHWIND Eye-Tech-Solutions GmbH, OCULUS Optikgeräte GmbH. S. Arba-Mosquera is an employee of SCHWIND eye-tech-solutions GmbH. Other authors have no proprietary or financial interest in the materials presented herein.
Reduction of Corneal Higher Order Aberrations after Keratorefractive Lenticule Extraction By Altering Spot/Track Distances with Low Energy Thresholds
AJO 2017; Ji et al. Lower Laser Energy Levels Lead to Better Visual Recovery After Small-Incision Lenticule Extraction
Energy Level Fluence Energy 20 = 100nJ 625mJ/cm² Energy 21 = 105nJ 656mJ/cm² Energy 22 = 110nJ 687mJ/cm² Energy 23 = 115nJ 718mJ/cm² Energy 24 = 120nJ 750mJ/cm² Energy 25 = 125nJ 781mJ/cm² Energy 26 = 130nJ 812mJ/cm² Energy 27 = 135nJ 843mJ/cm² Energy 28 = 140nJ 875mJ/cm² Energy 29 = 145nJ 906mJ/cm² Energy 30 = 150nJ 937mJ/cm² Energy 31 = 155nJ 968mJ/cm²
Market Parameters 2022 (USD) 2023 (USD) Change (%) Revenue (bn) ~12.5 ~14.2 ~13.6 Operating Profit (bn) ~2.8 ~3.1 ~10.7 Net Income (bn) ~1.9 ~2.2 ~15.8 Margin (%) ~15.2 ~15.5 ~2.0
Commitment to Ongoing Research
Eyereum Eye Clinic remains committed to continuous research and innovation
to provide optimal, evidence-based vision correction solutions
for patients both in Korea and internationally.
