Comparison of biometric methods in young children with congenital cataracts in their eyes
- Authors: Kruglova T.B.1, Kiseleva T.N.1, Katargina L.A.1, Egiyan N.S.1, Mamykina A.S.1, Kalinichenko R.V.1, Lugovkina K.V.1, Bedretdinov A.N.1, Zajtsev M.S.1, Ramazanova K.A.1
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Affiliations:
- Helmholtz National Medical Research Center of Eye Diseases
- Issue: Vol 16, No 3 (2021)
- Pages: 11-18
- Section: Original study article
- URL: https://ruspoj.com/1993-1859/article/view/79240
- DOI: https://doi.org/10.17816/rpoj79240
- ID: 79240
Cite item
Abstract
BACKGROUND: Relevant keratometric and biometric indicators are necessary for intraocular lens (IOL) power calculation, which is difficult to verify in young children.
AIM: Evaluation of the accuracy of various ultrasound methods and optical biometry for axial length measurement in young children with congenital cataracts.
MATERIAL AND METHODS: Forty-six children (74 eyes) with congenital cataracts (43 eyes) and pseudophakia (31 eyes) at the age of 6 months to 4 years were examined. Various methods measured the axial length: ultrasound A-scan under general anesthesia by US-4000, ultrasound B-scan without general anesthesia by Voluson E8, and optical biometry by AL-Scan in cases of transparent optics.
RESULTS: The greater axial length difference was observed between A-scan and optical biometry (less by 0,78 mm) than between B-scan and optical biometry (more by 0,27 mm). The median axial length difference between A-scan and B-scan was equal for infants and young children with congenital cataracts (0,525 mm and 0,535 mm, respectively).
CONCLUSION: Axial length should be measured by different methods in young children with their further comparison to obtaining more accurate biometric indicators for IOL power calculation. The decrease of 1–2 mm in axial length, which occurs during the A-scan, can lead to errors in the IOL calculation of 3–6 diopters and unplanned refraction in the long-term period.
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About the authors
T. B. Kruglova
Helmholtz National Medical Research Center of Eye Diseases
Author for correspondence.
Email: krugtb@yandex.ru
ORCID iD: 0000-0003-4193-681X
MD, Dr. Med. Sciences
Russian Federation, MoscowTatyana N. Kiseleva
Helmholtz National Medical Research Center of Eye Diseases
Email: tkiseleva05@gmail.com
ORCID iD: 0000-0002-9185-6407
MD, Dr. Med. Sciences, Professor
Russian Federation, MoscowL. A. Katargina
Helmholtz National Medical Research Center of Eye Diseases
Email: katargina@igb.ru
ORCID iD: 0000-0002-4857-0374
MD, Dr. Med. Sciences, Professor
Russian Federation, MoscowN. S. Egiyan
Helmholtz National Medical Research Center of Eye Diseases
Email: nairadom@mail.ru
ORCID iD: 0000-0001-9906-4706
MD, PhD
Russian Federation, MoscowA. S. Mamykina
Helmholtz National Medical Research Center of Eye Diseases
Email: alexandraugust1@gmail.com
ORCID iD: 0000-0003-3521-6381
Researcher
Russian Federation, MoscowR. V. Kalinichenko
Helmholtz National Medical Research Center of Eye Diseases
Email: romann2008@gmail.com
ORCID iD: 0000-0003-1544-3560
MD, PhD
Russian Federation, MoscowK. V. Lugovkina
Helmholtz National Medical Research Center of Eye Diseases
Email: ksushalyg@mail.ru
ORCID iD: 0000-0002-3531-3846
MD, PhD
Russian Federation, MoscowA. N. Bedretdinov
Helmholtz National Medical Research Center of Eye Diseases
Email: anbedretdinov@gmail.com
ORCID iD: 0000-0002-2947-1143
MD, PhD
Russian Federation, MoscowM. S. Zajtsev
Helmholtz National Medical Research Center of Eye Diseases
Email: zaicev1549@yandex.ru
ORCID iD: 0000-0002-4135-1128
MD, Junior Researcher
Russian Federation, MoscowK. A. Ramazanova
Helmholtz National Medical Research Center of Eye Diseases
Email: ramazanova-k@yandex.ru
ORCID iD: 0000-0002-2635-4291
MD, PhD
Russian Federation, MoscowReferences
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