Search for: [Abstract = "Cataract is an eye disease most often impairing vision. According to the WHO half of the cases of blindness are caused by this disease, which corresponds to about 20 million people. The only effective cure for cataract is surgical treatment, and cataract removal is the most commonly performed surgical procedure in the world. Interest in the role of bioelements in human lenses is due to their likely effect on the onset and progression of pathological changes. Hitherto all lenses obtained during the ECCE \(extracapsular cataract extraction\) have been the main source of research. The quantitative statistics of studies on bioelements in lenses and described cases in literature are very limited. This is due to the fact that cataract removal surgery, during which the entire lens is removed, is rare. The prevalence of microincision surgery with phacoemulsification almost entirely led to the withdrawal of surgeons from the ECCE, which resulted in a lack of research material. The aim of the study is to determine the content of bioelements in cataractous human lenses and to correlate the obtained results with selected diseases. Additionally, the content of bioelements in the cataractous lens at which the diabetic and glaucoma are present in the studied population is further defined.Prospective studies included 101 operations in 101 patients \(65.3% of women and 34.7% of men\) aged 56 to 100 years, mean age 74.8 ± 8.6 years. Patients included in the study were operated on for cataract in two hospitals\: the 5th Military Hospital with Polyclinic in Cracow and the Military Medical Institute in Warsaw in the period 2013\-2015. The material after the operation was delivered to the Institute of Nuclear Physics of the Polish Academy of Sciences in Cracow for further analytical studies. Therefore, the appropriately prepared material obtained after phacoemulsification was used for the study. This material is conventionally disposed of and is not subjected to any research processes. The samples were not subjected to initial chemical treatment. A single measurement allowed the examination of the content of many elements simultaneously. Patients with diagnosed cataracts were included. Based on an interview and indicated treatment, three groups of patients were identified\: Group G1 ‒ 37 cataract patients not treated for diabetes and glaucoma ‒ mean age = 75.6 ± 9.8 years \(60\-100 years\)\; Group G2 ‒ 25 patients with cataract treated for diabetes ‒ mean age = 73.6 ± 8.1 years \(59\-88 years\)\; G3 group ‒ 39 patients with cataract treated for glaucoma ‒ mean age = 74.2 ± 8.4 years \(56\-93 years\). In this study we focused on three elements\: calcium \(Ca\), iron \(Fe\) and zinc \(Zn\)."]

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