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Avetisov S.E.

Krasnov Research Institute of Eye Diseases;
Sechenov First Moscow State Medical University (Sechenov University)

Dzamikhova A.K.

Krasnov Research Institute of Eye Diseases

Avetisov K.S.

Krasnov Research Institute of Eye Diseases

Kobzeva A.V.

Krasnov Research Institute of Eye Diseases

Abukerimova S.K.

Tyumen State Medical University

Biomechanical control of myopia: potential of bidirectional corneal applanation with high-speed video recording

Authors:

Avetisov S.E., Dzamikhova A.K., Avetisov K.S., Kobzeva A.V., Abukerimova S.K.

More about the authors

Journal: Russian Annals of Ophthalmology. 2024;140(5): 25‑32

DOI: 10.17116/oftalma202414005125

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Table of contents

BIOMECHANICAL CONTROL OF MYOPIA: POTENTIAL OF BIDIRECTIONAL CORNEAL APPLANATION WITH HIGH-SPEED VIDEO RECORDING
BIOMECHANICAL CONTROL OF MYOPIA: POTENTIAL OF BIDIRECTIONAL CORNEAL APPLANATION WITH HIGH-SPEED VIDEO RECORDING

To cite this article:

Avetisov SE, Dzamikhova AK, Avetisov KS, Kobzeva AV, Abukerimova SK. Biomechanical control of myopia: potential of bidirectional corneal applanation with high-speed video recording. Russian Annals of Ophthalmology. 2024;140(5):25‑32. (In Russ.)
https://doi.org/10.17116/oftalma202414005125

Подписка 2026 Вестник офтальмологии (Russian Annals of Ophthalmology)
МСФ на ЯМ
Использование инфографики авторами научных работ
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Abstract:

The introduction of bidirectional corneal applanation technologies into clinical practice made possible the in vivo assessment of biomechanical properties of the fibrous tunic in myopic eyes.

PURPOSE

This study analyzes the potential of bidirectional corneal applanation with high-speed video recording for biomechanical control of myopia, focusing on the biomechanical parameters of the sclera and cornea.

MATERIAL AND METHODS

The study included 129 patients (168 eyes) with myopia ranging from –0.75 to –13.25 D in spherical equivalent. The axial length (AL) and central corneal thickness (CCT) ranged from 22.64 to 29.05 mm and from 492 to 644 µm, respectively. AL was measured using laser biometry, CCT with a rotating Scheimpflug camera, and the biomechanical properties of the fibrous tunic were assessed using bidirectional corneal pneumatic applanation with high-speed video recording using the Corvis ST device.

RESULTS

A weak positive correlation was found between AL and CCT, while no significant correlation was observed between CCT and the stress-strain index (SSI). However, there was a significant negative correlation between SSI and AL. Additionally, a clear and statistically significant trend of decreasing SSI with increasing AL was identified.

CONCLUSION

The stress-strain index (SSI), determined using bidirectional corneal pneumatic applanation with high-speed video recording, could potentially be considered a clinical indicator characterizing the scleral component of the ocular fibrous tunic in the biomechanical control of myopia.

Keywords:

myopia
fibrous tunic
cornea
sclera
biomechanical properties
corneal applanation

Authors:

Avetisov S.E.

Krasnov Research Institute of Eye Diseases;
Sechenov First Moscow State Medical University (Sechenov University)

Dzamikhova A.K.

Krasnov Research Institute of Eye Diseases

Avetisov K.S.

Krasnov Research Institute of Eye Diseases

Kobzeva A.V.

Krasnov Research Institute of Eye Diseases

Abukerimova S.K.

Tyumen State Medical University

Received:

21.07.2024

Accepted:

13.08.2024

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