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The paper investigates the factors of professional deformation of the personality of a high school teacher. The attention is paid to the increased requirements of the dynamics of global processes taking place in the modern educational space, to the personality and activities of the teacher. Observations show that the daily performance of teachers' professional duties over many years shapes habits, mindsets, and communication styles, and the individual acquires certain traits that can be considered disharmony. It was found that professional deformation is manifested in changes in the parameters of the personal characteristics of the teacher, which ultimately causes a change in functioning. Based on the theoretical analysis, the internal factors that determine the manifestation of professional deformation of the teacher's personality are identified. We analyze the most significant personal manifestations such as conservatism, rigidity, dogmatism, conformism, stereotyped thinking, lack of motivation, and frustration. The findings of this study support the idea that these factors can block the teacher's willingness to reconsider views, and cause the preservation of experience, which leads to professional deformation of personality. [ABSTRACT FROM AUTHOR]

Purpose: The aim of this study was to test a method for estimating corneal rigidity before and after cross-linking (CXL) using a Schiøtz tonometer.Methods: The study was performed in the Kyiv City Clinical Ophthalmological Hospital "Eye Microsurgical Center", Ukraine. This was a prospective, consecutive, randomized, masked, case-by-case, clinical study. Corneal rigidity, indicated by the gradient (G) between lg applied weight and corresponding lg scale reading during Schiøtz tonometry, were obtained by increasing (A-mode) then reducing (D-mode) weights by two operators [A] in keratoconus, post-CXL and control subjects for estimation of (i) interoperator and (ii) intersessional errors, (iii) intergroup differences; [B] before and after CXL. Central corneal thickness CCT was measured by scanning slit pachymetry. ANOVA, t tests, linear regression were the statistical tools used.Results: Average interoperator difference (ΔG) was -0.120 (SD = ±0.294, 95%CI = -0.175 to -0.066). A significant correlation between ΔG and the mean of each pair of G values was found (r = -0.196, n = 112, P = 0.038). Intersessional differences in mean G values were insignificant (P > 0.05). There was a significant correlation between G at first session (X1) and difference between sessions (ΔG) [Operator 1, ΔG = 0.598x1-0.461, r = 0.601, n = 27, P = 0.009]. Significant intergroup differences in G were found (Operator 1, one-way ANOVA, F = 4.489, P = 0.014). The difference (Δ) between the pre-(X2) and post-CXL treatment G values was significantly associated with the pre-CXL treatment value (Operator 1, Δ = 1.970x2-1.622, r = 0.642, n = 18, P = <.001). G values were correlated with CCT in keratoconus and post-CXL.Conclusion: Corneal rigidity (G) estimated using the Schiøtz tonometer can be useful for detecting changes after CXL. However, G values are linked to CCT, can vary from time-to-time and the procedure is operator dependent. [ABSTRACT FROM AUTHOR]