[The results of simulating congenital pathology of the extraocular muscles]. / Rezul'taty modelirovaniia vrozhdennoi patologii ékstraokuliarnykh myshts.

The paper describes results after calculating the distribution of tensions in the cornea in case of anomalies in the action and insertion of oculomotor muscles. The calculation was made on the basis of theories of thin coats considering the gradient of corneal thickness. By the results of the calculation, the lines of equal tensions (isochroms) were built, the forms of which is well correlated with clinical results. The calculation has shown that the rounding of one of the angles of interference rhombus and its displacement towards the centre of the picture speak about either a functional deficiency of a muscle inserted into the eye ball in this place or about displacement of the point of its insertion from the limbus along the meridian of its action; displacement of one the angles of interference rhombus from the meridian speaks about displacement of the point of efforts exertion of the corresponding muscle into the same direction. The calculation made confirms correctness of our knowledge about the nature and properties of interference pictures observed on the cornea in a polarised light.

[Calculation of isochromatics and isoclinics of the cornea]. / Raschet izokhrom i izoklin rogovoi obolochki glaza.

A method of calculating tensions in the eye cornea was described. These tensions were provoked by mechanical influence of oculomotor muscles and intra-ocular pressure. The influence of gradient thickness of the cornea on the form of isochromatics was shown. The nature of cross of the cornea, which represents lines of principal tensions was established. The method is suitable for calculating tensions not only for healthy eyes, but for the eyes with pathological oculomotor apparatus.