Standard Logarithmic Remote Vision table (2011 National Standard) (revision)(Chinese Edition)

WEN ZHOU YI KE DA XUE FU SHU YAN SHI GUANG YI YUAN ZHU

ISBN 10: 7117242639 / ISBN 13: 9787117242639

A propos de cet article

Language:Chinese.Paperback. Pub Date: 2017-03-01 Publisher: People's Health press. Standard logarithmic remote Vision table (1*4) according to the national standard gb11533-2011 production. The standard logarithmic Remote vision table provides 4 different viewing layouts to avoid the memory effect of the check and to improve the accuracy of repeated measurements. Standard Logarithmic distance vision .

N° de réf. du vendeur DP047743

Détails bibliographiques

• Titre: Standard Logarithmic Remote Vision table (2011 National Standard) (revision)(Chinese Edition)
• ISBN à 10 chiffres: 7117242639
• ISBN à 13 chiffres: 9787117242639
• Reliure: paperback
• État de l'article: New

A propos de ce titre

Synopsis

《标准对数远视力表（1*4）》根据中华人民共和国国家标准GB11533-2011制作。《标准对数远视力表》提供了4种不同的视标排列版面，以避免检查时的记忆效应，提高重复测量的准确性。《标准对数远视力表》采用人工照明，视力表表面照度应不低于300勒克斯（lx），且应均匀、恒定、无反光、不眩目，以确保视力检查结果准确可靠。