Research Activities
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Research Activities

Accuracy of theoretical IOL formulas for Panoptix intraocular lens according to axial length
Keye | 2021-04-07
Accuracy of theoretical IOL formulas for Panoptix intraocular
lens according to axial length
Ayoung Choi, BSc Optom, Hyunggoo Kwon, MD & Sohee Jeon, MD, PhD
안축장 길이에 따른 Panoptix 렌즈의 이론적 IOL 공식의 정확도
[카이안과 의료팀] 최아영 검안사, 권형구 & 전소희 원장
자연과학과 임상과학 분야에 저명한 학술지 사이언티픽 리포트(Scientific reports)에
카이안과 연구팀의 백내장 수술결과에 영향을 미치는
인공수정체 공식의 정확성에 대한 연구 논문이 게재됐다.
카이안과 의료진 및 연구팀은 2018년에서 2020년까지
인공수정체 삽입 수술을 받은 약 2,000여 건의 데이터를 기반으
 수술 전 환자의 검사 결과 및 수술 후 환자 굴절력 및 시력 등을 분석했다.
안축장(Axial length), 각막곡률(Corneal curvature) 등
백내장 수술 결과에 영향을 미친다고 알려진
주요 검사 결과 및 인공수정체 도수 예측 공식 등의 연관성을 분석하였다.
그 결과, 환자의 검사 결과에 따라 적절한 공식을 선택하는 것이
수술 후 결과의 차이에 영향을 준다는 사실을 발견하였다.
이 연구는 그 성과를 인정받아 세계 3대 학술지 네이처(Nature)의
자매지인 ‘사이언티픽 리포트(Scientific reports)’를 통해 지난 4월 1일 발표되었다.

The accuracy of intraocular lens (IOL) calculations is suboptimal for long or short eyes, which results in a low visual quality after multifocal IOL implantation.
The purpose of the present study is to evaluate the accuracy of IOL formulas (Barrett Universal II, SRK/T, Holladay 1, Hoffer Q, and Haigis)
for the Acrysof IQ Panoptix TFNT IOL (Alcon Laboratories, Inc, Fort Worth, Texas, United States) implantation
based on the axial length (AXL) from a large cohort of 2018 cases and identify the factors that are associated with a high mean absolute error (MAE).
The Barrett Universal II showed the lowest MAE in the normal AXL group (0.30 ± 0.23),
whereas the Holladay 1 and Hoffer Q showed the lowest MAE in the short AXL group (0.32 ± 0.22 D and 0.32 ± 0.21 D, respectively).
The Haigis showed the lowest MAE in the long AXL group (0.24 ± 0.19 D).
The Barrett Universal II did not perform well in short AXL eyes with higher astigmatism (P = 0.013),
wider white-to-white (WTW; P < 0.001), and shorter AXL (P = 0.016).
Study results suggest that the Barrett Universal II performed best for the TFNT IOL in the overall study population,
except for the eyes with short AXL, particularly when the eyes had higher astigmatism, wider WTW, and shorter AXL.

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