There are four levels of visual function, according to the InternationalClassification of Diseases -10 (Update and Revision 2006)
根据《国际疾病分类-第十版》(2006年更新和修订),视力的好坏可分为四个档次
2
The InternationalClassification of Diseases, (ICD-10), does list "senescence" a medical euphemism for old age, as a cause of death.
国际疾病分类(ICD - 10)也并未把“衰老”列为死因。
3
With the support of international experts, WHO Patient Safety has developed a conceptual framework for the InternationalClassification for Patient Safety.