![]() Moreover, the depletion of epithelial cells from the lens could lead to impaired integrity of the fibre cells underlying the lens, thus decreasing the strength of the lens. Many researchers have observed a reduced density of epithelial cells in the lenses of patients suffering from cataracts. In fact, the apoptosis of epithelial cells in the lens would suppress the growth of the lens and decrease its thickness. ![]() Several studies showed that the apoptosis of epithelial cells in the lens could result in cataractogenesis. On the other hand, it remains controversial whether the use of antioxidants and alcohol could increase the risk of cataracts. In addition, aging, smoking, exposure to UV light, as well as genetic factors were found to significantly increase the risk of cataracts. ![]() The World Health Organisation has reported that almost 50% of blindness worldwide was caused by cataracts. Cataracts caused by old age are one of the most frequent causes for blindness and poor vision worldwide.
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