LEA GRATINGS® w Kontrastní test

Popis

pro testing of low Kontrastní sensitivity under diff erent Kontrastní levels based on 4 grades

(10 % Kontrastní: 0.5 cpcm and 8.0 cpcm; 2.5 % Kontrastní: 0.5 cpcm and 4.0 cpcm).

Testing is based on finding the distance in which the patient can identify the direction of the lines.

promat: Ø 20 cm,

includes recording proms.

Good-Lite: 253400