Dr. Chung Eui Sang Discusses Advances in Presbyopia Correction at Beyond Vision Forum

Dr. Chung Eui Sang shares clinical insights on PRESBYOND and the latest developments in presbyopia correction at the Beyond Vision Forum.

SEOUL, SOUTH KOREA, November 10, 2026 /EINPresswire.com/ — Dr. Chung Eui Sang, Chief Director of SNU Eye Clinic, delivered a keynote presentation at the Beyond Vision Forum, held on October 24, under the theme “The Past, Present & Future of Presbyopia Solutions.”

Serving as the official chair of the forum, Dr. Chung shared insights into the technological advancements and latest clinical developments in presbyopia correction surgery, while leading academic discussions on future treatment directions.

The forum was organized to provide a platform for sharing clinical experience and the latest medical technologies in presbyopia correction, as well as discussing the applications and future development of PRESBYOND laser blended vision. Ophthalmologists from across South Korea attended the event to exchange clinical cases and surgical experiences, with discussions focusing on various factors influencing individualized surgical planning and treatment outcomes.

As the official chair, Dr. Chung presided over the forum’s main academic program. He presented appointment certificates to the executive members and moderated academic sessions, guiding presentations and discussions among participating ophthalmologists. The sessions covered the evolution of presbyopia correction, its current clinical applications, and potential future technological developments, offering insights into the direction of presbyopia treatment.

One of the key topics discussed at the forum was PRESBYOND, a laser vision correction procedure that may be considered for patients experiencing age-related near vision deterioration before the development of cataracts. Presbyopia occurs when the eye’s natural lens gradually loses its ability to accommodate, making it increasingly difficult to focus on nearby objects. Symptoms typically begin to appear after the age of 40.

PRESBYOND combines a micro-monovision approach, which assigns slightly different focusing functions to each eye, with technology designed to extend the depth of focus of the cornea. This approach aims to provide functional vision at multiple distances, including near, intermediate, and far, while reducing dependence on reading glasses or other corrective eyewear.

Unlike conventional monovision correction, PRESBYOND takes both binocular visual balance and depth of focus into consideration when planning surgery. However, postoperative visual quality and the adaptation process may vary depending on each patient’s individual eye condition. Some patients may experience visual disturbances, including changes in stereoscopic vision or contrast sensitivity, highlighting the importance of careful preoperative evaluation and surgical planning.

In recent years, presbyopia correction has been considered not only for patients in their 40s and 50s experiencing difficulties with near vision in daily life, but also for individuals seeking to reduce their dependence on glasses due to occupational requirements or lifestyle preferences. Accordingly, the importance of individualized surgical planning has been increasingly emphasized, taking into account factors such as age, corneal condition, refractive errors, binocular visual function, occupation, and lifestyle.

It is also important to distinguish presbyopia correction from cataract surgery. PRESBYOND is a laser procedure that adjusts the refractive power of the cornea, whereas cataract surgery involves removing the clouded natural lens and replacing it with an artificial intraocular lens. Therefore, the presence and progression of cataracts, along with the condition of the cornea and retina, must be carefully evaluated to determine the most appropriate treatment for each patient.

Dr. Chung Eui Sang commented, “This forum was a meaningful opportunity to share real-world clinical applications and surgical experiences with PRESBYOND, while discussing the future direction of presbyopia correction together with fellow ophthalmologists. Presbyopia correction surgery involves more than simply improving near vision. It is essential to develop a surgical plan that comprehensively considers each patient’s age, eye condition, occupation, and lifestyle.”

He further emphasized, “PRESBYOND may be considered as a vision correction option for patients with presbyopia before the development of cataracts, but it is not suitable for everyone. Before surgery, the condition of the cornea, natural lens, and retina, as well as binocular visual function, must be thoroughly evaluated. If other eye conditions are present, the expected degree of visual improvement and potential complications should also be taken into account when carefully determining the appropriate timing and surgical approach.”

Dr. Chung Eui Sang, Chief Director of SNU Eye Clinic, holds bachelor’s, master’s, and doctoral degrees from Seoul National University College of Medicine and completed his clinical training at Seoul National University Hospital. He previously served as a professor at Samsung Medical Center and as a research professor at the Schepens Eye Research Institute, affiliated with Harvard Medical School in the United States.

Throughout his career, Dr. Chung has been actively involved in clinical practice and academic research in cataract and refractive surgery. He was also named to the 2026 Power List Top 50 by The Ophthalmologist, a UK-based ophthalmology publication.

Having personally undergone multifocal intraocular lens implantation for cataracts accompanied by extremely high myopia and high astigmatism, Dr. Chung brings both professional clinical expertise and personal patient experience to the field of presbyopia and cataract treatment.

Samantha
SNU Eye Clinic
+82 10-5495-9632
snueye@snuseoul.com
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