My father needs reading glasses because of presbyopia.
老花眼通常在40多岁时开始影响人们。
Presbyopia usually starts to affect people in their 40s.
由于老花眼的程度会随著年龄增加而变化，所以老花眼镜的度数也会随之加深。
Presbyopia the extent of the increase will change with age, so Presbyopia-the degree will also deepen.
dict.youdao.com
适应症: 白内障 、 结膜炎、视力不足 、 近视 、 老花眼、视力减退及眼部疾病.
Indications: Cataract, Conjunctivitis, Myopia, Presbyopia , Eye sight degeneration and other eye disease.
www.youdao.com
另一个是老花眼是列为苦难朦胧甚至敬而远之的物质能双部位一致的分类。
Another is presbyopia which is identified as one suffering in haziness even at arms length of the material that can be tweaked by bifocal classification .
