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Isolated intraocular histiocytosis is a rare disease that may manifest by recurrent uveitis and solid subretinal masses. The course, diagnosis and treatment of isolated intraocular histiocytosis in a 12-year-old girl are presented. As extensive diagnosis and therapy with corticosteroids and tuberculostatics failed to produce satisfactory results, diagnostic- therapeutic vitrectomy was performed. The intraoperatively obtained material was examined by the methods of histopathology, cytology and immunocytochemistry, along with herpes and cytomegalovirus polymerase chain reaction. The vitreous inflammatory exudate and subretinal masses were operatively removed. Analysis of the intraoperatively obtained material pointed to histiocytosis, whereas additional examinations revealed no systemic manifestations of the disease. Chronic uveitides that respond poorly to classic immunosuppressive therapy require multidisciplinary analysis of intraocular material. Pars plana vitrectomy is an appropriate diagnostic-therapeutic operative procedure.

Changes in the eye axial diameter were studied to assess the eye globe impact of conventional operation for retinal detachment. The study included 69 eyes in 69 patients operated on for rhegmatogenous retinal detachment. There were 46.4% of men and 53.6% of women, mean age 52.7 (+/- 15.21) years. Results of preoperative and postoperative ultrasonographic measurement of axial diameter are presented. The mean preoperative and postoperative eye axial diameter was 23.69 (+/- 1.84) mm and 24.43 (+/- 1.91) mm, respectively. Postoperative results showed the axial eye length to increase by a mean of 0.74 (+/- 0.44) mm, yielding a statistically significant difference from the preoperative measurement (p0.001). The mean myopia induced by this eyeball elongation was 1.77 D. The encircling band with and without segmental buckling used in surgical repair of retinal detachment creates circular and segmental indentation of the eyeball, thus increasing its axial length. The myopia induced by elongation of the eyeball results in considerable myopia, which requires appropriate correction in the early postoperative period to achieve favorable vision rehabilitation.