9819
A common condition in people over forty years old is presbyopia , which is caused by the eye 's crystalline lens losing elasticity , progressively reducing the ability of the lens to accommodate ( i.e. to focus on objects close to the eye ) .
 disease: presbyopia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
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Text: {0} 
Answer:
 disease: presbyopia