
Ophthalmic optics – Visual acuity testing – Standard and clinical optotypes and their presentation (ISO 8596:2017); German version EN ISO 8596:2018
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Ophthalmic optics – Visual acuity testing – Standard and clinical optotypes and their presentation (ISO 8596:2017); German version EN ISO 8596:2018
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻