Anti-cheating visual testing chart

The utility model relates to an anti-cheating visual testing chart. The anti-cheating visual testing chart comprises a rectangular frame body, wherein a testing plate is arranged on the front end face of the rectangular frame body, a lamp tube is arranged in the rectangular frame body, a plurality o...

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Bibliographic Details
Main Authors SHI ZEWEI, JIN YAOXIANG
Format Patent
LanguageEnglish
Published 15.04.2015
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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