白内障的病变部位是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31197' and id < 2506824 and id<>'2506824' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31197' and id > 2506824 and id<>'2506824' order by id asc limit 5