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Baum O.I.

FGBUN "Institut problem lazernykh i informatsionnykh tekhnologiĭ" RAN, Troitsk

Omel'chenko A.I.

FGBUN "Institut problem lazernykh i informatsionnykh tekhnologiĭ" RAN, Troitsk

Kasyanenko E.M.

Institute of Photon Technologies, Federal Scientific Research Centre «Crystallography and Photonics», 2 Pionerskaya St., Moscow, Troitsk, Russian Federation, 142190

Skidanov R.V.

Image Processing Systems Institute, Federal Scientific Research Centre «Crystallography and Photonics», Samara, Russian Federation, 443001

Kazanskij N.L.

Image Processing Systems Institute, Federal Scientific Research Centre «Crystallography and Photonics», Samara, Russian Federation, 443001

Sobol' .N.

FGBUN "Institut problem lazernykh i informatsionnykh tekhnologiĭ" RAN, Troitsk

Bol'shunov A.V.

Uchrezhdenie Rossiĭskoĭ akademii meditsinskikh nauk "NII glaznykh bolezneĭ" RAMN, Moskva

Siplivyĭ V.I.

Pervyĭ MGMU im. I.M. Sechenova

Osipian G.A.

FGBU "NII glaznykh bolezneĭ" RAMN, Moskva

Gamidov A.A.

FGBU "NII glaznykh bolezneĭ" RAMN

Avetisov S.É.

FGBU "Nauchno-issledovatel'skiĭ institut glaznykh bolezneĭ" RAMN, Moskva

New biophotonics methods for improving efficiency and safety of laser modification of the fibrous tunic of the eye

Authors:

Baum O.I., Omel'chenko A.I., Kasyanenko E.M., Skidanov R.V., Kazanskij N.L., Sobol' .N., Bol'shunov A.V., Siplivyĭ V.I., Osipian G.A., Gamidov A.A., Avetisov S.É.

More about the authors

Journal: Russian Annals of Ophthalmology. 2018;134(5): 4‑14

DOI: 10.17116/oftalma20181340514

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Table of contents

NEW BIOPHOTONICS METHODS FOR IMPROVING EFFICIENCY AND SAFETY OF LASER MODIFICATION OF THE FIBROUS TUNIC OF THE EYE
NEW BIOPHOTONICS METHODS FOR IMPROVING EFFICIENCY AND SAFETY OF LASER MODIFICATION OF THE FIBROUS TUNIC OF THE EYE

To cite this article:

Baum OI, Omel'chenko AI, Kasyanenko EM, et al. . New biophotonics methods for improving efficiency and safety of laser modification of the fibrous tunic of the eye. Russian Annals of Ophthalmology. 2018;134(5):4‑14. (In Russ.)
https://doi.org/10.17116/oftalma20181340514

Подписка 2025-2 (Russian Annals of Ophthalmology)
 
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The article describes a newly developed and tested diffractive optical element (DOE) that converts non-uniform radiation of the laser output into a homogeneous ring. The Gerchberg—Saxton algorithm is shown to be well suited for achieving annular intensity distribution. Testing this ring transducer on threshold-plasticity cornea demonstrated the reversibility of axisymmetric changes in the cornea. Atomic-Force microscopy of the area of maximum stresses in the corneal periphery showed no significant changes in the structure of the cornea when irradiated in the selected mode. Measurement of Young’s modulus of the corneal surface areas after their irradiation also revealed no changes in the elastic properties, while examination of the corneal structure demonstrated the absence of significant structural changes in irradiated samples compared with intact ones.

Keywords:

refraction
cornea
laser
ring-shaped laser irradiation
atomic force microscopy
stresses
Gerchberg—Saxton algorithm

Authors:

Baum O.I.

FGBUN "Institut problem lazernykh i informatsionnykh tekhnologiĭ" RAN, Troitsk

Omel'chenko A.I.

FGBUN "Institut problem lazernykh i informatsionnykh tekhnologiĭ" RAN, Troitsk

Kasyanenko E.M.

Institute of Photon Technologies, Federal Scientific Research Centre «Crystallography and Photonics», 2 Pionerskaya St., Moscow, Troitsk, Russian Federation, 142190

Skidanov R.V.

Image Processing Systems Institute, Federal Scientific Research Centre «Crystallography and Photonics», Samara, Russian Federation, 443001

Kazanskij N.L.

Image Processing Systems Institute, Federal Scientific Research Centre «Crystallography and Photonics», Samara, Russian Federation, 443001

Sobol' .N.

FGBUN "Institut problem lazernykh i informatsionnykh tekhnologiĭ" RAN, Troitsk

Bol'shunov A.V.

Uchrezhdenie Rossiĭskoĭ akademii meditsinskikh nauk "NII glaznykh bolezneĭ" RAMN, Moskva

Siplivyĭ V.I.

Pervyĭ MGMU im. I.M. Sechenova

Osipian G.A.

FGBU "NII glaznykh bolezneĭ" RAMN, Moskva

Gamidov A.A.

FGBU "NII glaznykh bolezneĭ" RAMN

Avetisov S.É.

FGBU "Nauchno-issledovatel'skiĭ institut glaznykh bolezneĭ" RAMN, Moskva

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