Email this article Potential of two-channel rheoophthalmography in the assessment of ocular blood flow in children and adolescents with myopia
- Authors: Iomdina E.N.1, Kushnarevich N.Y.1, Larina T.Y.1, Tarutta E.P.1, Luzhnov P.V.2, Kiseleva A.A.2
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Affiliations:
- Helmholtz National Medical Research Center of Eye Diseases
- Bauman Moscow State Technical University
- Issue: Vol 15, No 3 (2020)
- Pages: 5-10
- Section: Clinical studies
- Published: 15.09.2020
- URL: https://ruspoj.com/1993-1859/article/view/48395
- DOI: https://doi.org/10.17816/rpo2020-15-3-5-10
- ID: 48395
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Abstract
Aim. This study aimed to investigate the diagnostic potential of two-channel rheoophthalmography (ROG) in the assessment of ocular blood flow disorders in children and adolescents with myopia.
Material and methods. The method developed allowed one of the ROG channels to probe deep into the posterior pole of the eye and was designed to assess blood supply in the eye pole. Furthermore, the other channel was used to analyze blood flow in the temporal arteries — in the area of the ophthalmic and internal carotid arteries. Both signals were recorded simultaneously, which allows measuring of the blood flow distribution between these vascular regions. To assess the diagnostic potential of the method, two-channel rheoophthalmography signals were recorded and analyzed. The signals were obtained from 24 eyes (13 patients): 13 eyes (7 patients; median age, 14.1 years) with low myopia (−0.5 to −3.0 D) and 11 eyes (6 patients; median age, 23.7 years) with emmetropia (control group).
Results. In myopia patients, a relative increase of 4.1% in the ocular channel rheographic index (RI) was detected, whereas in the temporal channel, the RI increased simultaneously by 4.97%. The basic impedance (BI) indicator, obtained using the same method, increased by 22.4% in the ocular channel and by 29.5% in the temporal channel.
Conclusion. The simultaneous increase in BI in the temporal region and posterior eye pole area and proportional increase in pulse blood filling (RI) indicate that a change in blood supply in the posterior eye pole could be observed even in low myopia patients.
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About the authors
Elena N. Iomdina
Helmholtz National Medical Research Center of Eye Diseases
Author for correspondence.
Email: iomdina@mail.ru
ORCID iD: 0000-0001-8143-3606
Dr of Biol. Sci, professor
Russian Federation, MoscowNina Yu. Kushnarevich
Helmholtz National Medical Research Center of Eye Diseases
Email: nk112@mail.ru
MD, PhD
Russian Federation, MoscowTatjana Yu. Larina
Helmholtz National Medical Research Center of Eye Diseases
Email: tlpenguin@mail.ru
MD, PhD
Russian Federation, MoscowElena P. Tarutta
Helmholtz National Medical Research Center of Eye Diseases
Email: elenatarutta@mail.ru
ORCID iD: 0000-0001-8143-3606
Dr of Med. Sci, professor
Russian Federation, MoscowPetr V. Luzhnov
Bauman Moscow State Technical University
Email: peterl@hotmail.ru
ORCID iD: 0000-0003-1111-7063
PhD
Russian Federation, MoscowAnna A. Kiseleva
Bauman Moscow State Technical University
Email: kiseleva.anna.a94@gmail.com
аспирант ФГБОУ ВО «Московский государственный технический университет им. Н.Э. Баумана (национальный исследовательский университет)»
Russian Federation, MoscowReferences
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