Publications by authors named "Kyung Hwan Shyn"

Purpose: To evaluate changes in clinical practice in the field of refractive surgery in Korea over the past 10 years.

Methods: A survey consisting of 59 multiple-choice questions regarding the preferred types of refractive surgery, excimer laser machine, and presbyopia surgery was mailed to 742 members of the Korean Society of Cataract and Refractive Surgery in January 2016, and 50 members responded to the survey. These data were compared with the 2005 or 2007 survey results.

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Purpose: This purpose of this report was to study trends in cataract and refractive surgeries conducted during the past twelve years and to compare results to previous reports from the ASCRS and New Zealand (NZ) in order to forecast future medical services.

Methods: We surveyed members of the Korean Society of Cataract and Refractive Surgery (KSCRS) every year from 1995 to 2006, and studied changes in cataract and refractive surgeries (RS).

Results: The duration of hospitalization has been gradually decreasing to the point that a one day hospitalization following surgery has become common.

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Purpose: To compare posterior capsular opacification (PCO) between a combined procedure and a sequential procedure of pars plana vitrectomy (PPV) and cataract surgery (CS).

Methods: The medical records of 89 eyes of 85 patients who underwent PPV and CS were retrospectively reviewed. There were 56 eyes of 52 patients with a combined PPV and CS (the combined surgery group), and 33 eyes of 33 patients with CS in a previously vitrectomized eye (the sequential surgery group).

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Purpose: We report on 15 cases of suspected toxic anterior segment syndrome after uneventful phaco surgery.

Methods: We retrospectively reviewed the charts of patients who had developed toxic anterior segment syndrome (TASS) after uneventful phacoemulsification for senile cataracts between April and December of 2005. Clinical features and all possible causes were investigated including irrigating solutions or drugs, surgical instruments or intraocular lenses, sterilization techniques for instruments, or any other accompanying disease.

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Purpose: To evaluate the efficacy and safety of angle-supported phakic anterior chamber intraocular lenses in amblyopic adult eyes with very high myopia.

Methods: We evaluated 12 eyes in nine patients with very high myopic amblyopia who received angle-supported phakic intraocular lenses (Phakic 6H) and followed them for more than six months. Uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA), and complications were evaluated.

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A 33-year-old woman visited our clinic with blurry vision and periorbital swelling after experiencing blunt trauma to left eye. Ten months earlier, she had implantable contact lens (ICL) implantation in the left eye. Biomicroscopic examination showed that that 1 footplate of the ICL was entrapped in the pupillary aperture at the 7 o'clock position and the ICL was placed vertically.

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Purpose: To describe a case of unilateral comeal keloid and present the clinical and histopathological findings and the management.

Methods: A 23-year-old Asian male patient was examined for a white spot on the left cornea that had been present since birth. On biomicroscopic examination, a well-demarcated vascularized comeal mass was found located nasal to the center.

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