Journal of the Korean Ophthalmological Society 2000;41(6):1359-1363.
Published online June 1, 2000.
Comparison of the Phakic and Pseudophakic Axial Length.
Ji Youn Kim, Hee Kyoun Lee, Seung Jeong Lim
1The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.
2Shiloam Eye Center
유수정체안과 위수정체안에서 측정된 안축장 비교
이희경(Hee Kyoun Lee),임승정(Seung Jeong Lim),김지연(Ji Youn Kim)
To determine the actual axial length of the pseudophakic eye, we mea-sured the axial length using ultrasound before and after cataract surgery in 157 eyes of 97 patient.The measured axial length of the pseudophakic eye with silicone or acrylic intraocular lens was longer than the axial length measured before operation.There was linear correlation between axial length measured before and after operation in cases of PMMA, silicone, or acrylic intraocular lens.The axial length corrected with ultrasonic velocity and central thickness of the intraocular lens was approximate to the mea-sure before operaion.So, we concluded that axial length is not actually elongated after operation and the exact axial length may be obtained by correcting the measured axial length of the pseudophakic eye using ultra-sonic velocity and central thickness of the intraocular lens.
Key Words: Axial length;Central thickness of the intraocular lens;Ultrasonic velocity

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