Modeling of mechanical eye injury. Relevance. Background

Abstract

The share of eye injuries in Russia is from 3 to 8% of the total number of injuries in peacetime. Eye trauma is one of the three main causes of vision disability and accounts for 22.8%. In wartime, the mass admission of wounded with damage to the organ of vision requires prompt decisions on their sorting, treatment, rehabilitation, dismissal, or return to duty. In peacetime, mechanical trauma to the eye is associated with the disability of the working population and large material costs. Considering the relevance of mechanical trauma to the eye, ophthalmologists around the world are constantly investigating the features of the pathogenetic mechanism, diagnosis, and treatment. Retrospective studies are based on the analysis of clinical cases, which are not always homogeneous. Experimental damage modeling has a long history. Attempts to simulate mechanical eye trauma have been made since the 40s of the XX century. Mathematical models are calculated based on known data: thickness, density, the elasticity of tissues, this makes it possible to predict the result of exposure to a wounding agent. Unfortunately, in these models, it is difficult to reproduce the entire complex of pathomorphological changes. The created models fulfilled the assigned tasks but had certain drawbacks. In each subsequent experiment, the reproducibility improved and the model approached the desired one as accurately as possible. Specialists of the Professor V.V. Volkov Ophthalmology Department S.M. Kirov Military Medical Academy since the 40s. are engaged in solving this problem. For the first time in an experiment, B.L. Pole proved that closure of eyeball wounds with corneal and scleral sutures has an advantage over conjunctival covering. B.V. Monakhov et al. created an installation for inflicting mine-explosive injury to the eye. In the experiment, M.M. Shishkin inflicted a combined eye injury by striking the sclera with a knife with a rectangular blade and firing an air rifle at the knife handle. B.A. Kanevsky et al. reproduced a D-type gunshot open eye injury shot from an air rifle with a multi-compression piston pump. The creation of models that reproduce the mechanical trauma of the eye made it possible to study it in an experiment, which improved the quality of diagnostics and reduced the proportion of disability in this pathology (bibliography: 24 refs).

Keywords

closed eye injury / Department of Ophthalmology named after Professor V.V. Volkov / experimental modeling / mechanical eye injury / open eye injury / оphthalmology

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Zdorovtsov D.R., Churashov S.V., Kulikov A.N., Kolbin A.A.