Evaluation strength of the supporting apparatus of the lens at combination of age-related cataract with involutional changes in connective tissue

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Abstract


AIM: The clinical evaluation of zonules condition in patients with age-related cataracts without weak zonular support signs against the background of connective tissue somatic involutional changes.

MATERIALS AND METHODS: The main group consisted of 70 patients (70 eyes) with connective tissue involutional somatic pathology without concomitant eye pathology, eye injuries, and decompensated systemic diseases; the control group included 60 people (60 eyes) with age-related cataracts without connective tissue involutional pathology. Using ocular echography (Aviso S, Quantel Medical, France) with high resolution (50 MHz) sensor, we estimated the “ciliary processes to lens equator” distance symmetry in 2 main meridians (of 6 and 12 hours). Its equal value in 2 opposite meridians or difference less than 0.3 mm between them was considered as the sign of symmetry; the difference of 0.3 mm and more was a sign of asymmetry.

RESULTS: The presence of “ciliary processes to lens equator” distance asymmetry between the meridians was revealed in 28 eyes in the main group (40%); in 14 of the eyes with asymmetry ranging from 0.4 and more, a 1st degree lens subluxation was revealed intraoperatively.

CONCLUSIONS: The presence of “ciliary processes to lens equator” distance asymmetry indicates subclinical involutional changes in the lens’ ligament apparatus, which has a prognostic value for choosing a model of an intraocular lens to be implanted.


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About the authors

Evgenii L. Sorokin

S.N. Fyodorov Eye Microsurgery Federal State Institution, the Khabarovsk Branch; Far-Eastern State Medical University

Email: naukakhvmntk@mail.ru
ORCID iD: 0000-0002-2028-1140
SPIN-code: 4516-1429
Scopus Author ID: 7006545279
ResearcherId: AAI-2986-2020

Russian Federation, 211 Tikhookeanskaya str., Khabarovsk, 680033; Khabarovsk

Dr. Sci. (Med.), Professor, MD of Highest Qualification

Yaroslav V. Belonozhenko

S.N. Fyodorov Eye Microsurgery Federal State Institution, the Khabarovsk Branch

Email: naukakhvmntk@mail.ru
ORCID iD: 0000-0002-4648-937X
SPIN-code: 9123-6319

Russian Federation, 211 Tikhookeanskaya str., Khabarovsk, 680033

PhD

Sofia V. Krivko

S.N. Fyodorov Eye Microsurgery Federal State Institution, the Khabarovsk Branch

Author for correspondence.
Email: naukakhvmntk@mail.ru
ORCID iD: 0000-0002-5492-3527
SPIN-code: 6262-4970

Russian Federation, 211 Tikhookeanskaya str., Khabarovsk, 680033

Oleg V. Danilov

S.N. Fyodorov Eye Microsurgery Federal State Institution, the Khabarovsk Branch

Email: naukakhvmntk@mail.ru
ORCID iD: 0000-0002-6610-2419
SPIN-code: 9068-5429
Scopus Author ID: 57189018334

Russian Federation, 211 Tikhookeanskaya str., Khabarovsk, 680033

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Supplementary files

Supplementary Files Action
1.
Fig. 1. Anterior lens capsule folds during performing anterior capsulorhexis

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2.
Fig. 2. Lens mobility during emulsifying the nucleus

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Copyright (c) 2021 Sorokin E.L., Belonozhenko Y.V., Krivko S.V., Danilov O.V.

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