The standard ClearChart 4 Digital Acuity System features a new 24 inch, high resolution, LED backlit display, is lightweight, cool running, and long-lasting.
The ClearChart 4P has additional features such as stereo testing, color vision testing, ETDRS testing, patient education images, and ability to import images and video.
The standard ClearChart 4 Digital Acuity System features a new 24 inch, high resolution, LED backlit display, is lightweight, cool running, and long-lasting.