关于眼睛及眼健康，下列说法错误的是：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31003' and id < 2493823 and id<>'2493823' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31003' and id > 2493823 and id<>'2493823' order by id asc limit 5