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Introduction. According to the World Health Organization (WHO), glaucoma accounts for 4-5% of the total ocular pathology, making it one of the most common eye diseases in the world. The first sign of the disease is a constant or periodic increase in intraocular pressure, which leads to the development of visual field defects, optic nerve atrophy, and dystrophic changes in eye tissues. Detection of glaucoma and ocular hypertension is done by measuring the intraocular pressure, which is the standard procedure for diagnosis of the condition of eyes in all patients over 40 years of age. Patients with a diagnosis of "glaucoma" should constantly measure the intraocular pressure, which is necessary to control the effectiveness of treatment, its correction and evaluation of the effectiveness of drugs. The purpose of the article is to develop the system for assessing the intraocular pressure level using the interference pictures parameters observed on the eye cornea in the polarized light.

The aim of the paper was to evaluate and determine the duration of the hospital treatment of patients with cataract. Materials and methods of the investigation. 629 case histories were analyzed and 60 patients’ forms were also analyzed. The assessment of case histories was done according to the scheme: sex, age, the stage of cataract, the duration of hospital treatment, the cause of treatment which lasts more than 1 day (postoperative complication, treatment of concomitant eye diseases, patient’s desire), the type of complication. 60 surveyed patients with cataract required surgical treatment in order to work out the model of the duration of hospital treatment. The questionnaire contained several questions, which answers allow evaluating the social status of patients, somatic and optic status, peculiarities of the main disease and also the duration at the hospital after the operation. Results. It has been demonstrated that patient’s age, his or her financial status, the number of concomitant somatic and eye diseases are the main peculiarities for the prognosis for long-lasting stay at hospital after surgical treatment. Undetermined logics was used to create the model of prognosis of the duration of hospital treatment based on еру results of patients’ questionnaire, the method of clustering was used to receive undetermined rules. Conclusions. Ophthalmologic status of the patient, the presence of concomitant eye diseases, such as myopia alta, glaucoma, diseases of retina, and optic nerve and concomitant somatic disease play an important role in the choice of the type of treatment. The most informative indices for hospital treatment of patients with cataract after surgery are patient’s age, his/her financial status, the number of concomitant somatic and eye diseases.

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