CHART FOR TESTING VISUAL ACUITY AND/OR SENSITIVITY TO SPATIAL CONTRASTS OF A MAN, DEVICE FOR TESTING, AND PROCESS FOR THE MANUFACTURE THEREOF

摘要

the present invention relates to a test equipment of acuity, contrast sensitivity, and / or in the space, a device and a process for the manufacture thereof. test equipment according to the invention has a plurality of optotypes arranged in the form of rows and columns.the contrast perceived by a human eye is a first to a last column (or, respectively, a first to a last line). the column (or row) of lower contrast seen corresponds to the minimum contrast perceived by healthy people.this equipment is designed to be implemented, in particular, for the detection of certain eye diseases affecting the visual contrast sensitivity in man.