APPARATUS FOR DETECTING FAULTY VISION AND A CASSETTE FOR USE WITH SUCH AN APPARATUS

摘要

The present invention relates to an apparatus for eye sight examination, allowing to test both of the patient's eyes, especially to detect his common failures and vision defects, for far and close vision, and eventually intermediary distance vision. The test-image are borne by at least one ribbon or band mounted in a block of two winding spools, housed in a body forming an easily removable tape box of an adequate support of body of the apparatus. The invention applies to the automatic or semi-automatic detection of visual defects of a patient.