*17 inch LED backlit screen
*New CNT test,which is more scientific,effective,and directive.CNT curve will be formed
and displayed om the screen when the test is finished.
*Better user experience----all tests icons are listed on home interface
*Quick test list ---Pick ten or less frequently used tests to establish your own quick test list
*V style optotype arrangement ---Avoid optotpyes congested on the screen
*Excellent programming give full play to the features of CPU.