
OPHTHALMICS - INSTRUMENTS - GENERAL-PURPOSE CLINICAL VISUAL ACUITY CHARTS
出版:Optical Laboratories Association

專家解讀視頻
Pertains to displays of optotypes for all clinical visual acuity measurement systems that use recognition of high-contrast optotypes and that are designed for general use including optotypes printed on opaque media, those intended for transillumination, electronically generated or projected displays.