top of page


Manufacturer: REICHERT
Product code: TC13785SE

The family of ClearChart® Digital Acuity Systems are all-in-one, elegant, and simple-to-use. They are uniquely designed to meet all of your acuity testing needs with a wide selection of optotypes and other special test charts. All of the ClearChart 4 models feature a 24-inch, high-resolution, LED-backlit display, and are lightweight, cool-running, and long-lasting.



Built for acuity testing

No moving fans or spinning hard drives

High resolution 24" LED backlit display with 3 illumination levels 

Wide range of optotypes

Direct or mirrored configuration

Easily import images and videos (4X and 4P)

Stereo testing (4P)

shutterstock_534014746 cc4.jpg

Purpose built & pixel perfect

ClearChart® Digital Acuity Systems are all-in-one, custom-built and engineered for all of your acuity testing needs. Utilising an intuitive and stable operating system, ClearChart ensures consistent and reliable performance over other computer-based acuity systems. Requiring no separate components or software, ClearChart Digital Acuity Systems are free of moving parts, noisy fans, and spinning hard drives providing cool-running, silent, and dependable operation.

All ClearChart models feature a 24 inch, high resolution (1920x1080), LED backlit display with three different illumination levels for mesopic (3 cd/m2) and photopic (85 cd/m2) lighting conditions.

ClearChart has an extensive range of optotypes that are able to be randomized to prevent patient memorisation. Optotypes can also be isolated, increased, or decreased in size, and can be displayed in either Snellen or Logmar progression. Optotypes include: 17 Letter Set, 8 Letter Set, Sloan, HOTV, Landolt C, Landolt C & O, Tumbling E, Children’s Optotypes.

​ClearChart Digital Acuity Systems can be configured for standard or mirrored viewing to accommodate refracting distances from 6 ft to 24.6 ft (1.83 m to 7.5 m) and the easy-to-use, infrared remote control allows access to all features and functions from almost anywhere in the room.


ClearChart® 4X Enhanced &

ClearChart® 4P Polarised

ClearChart 4X and ClearChart 4P also offer ETDRS and Contrast Sensitivity. Specialty test charts include Astigmatic Tests, Fusion and Phoria Tests, and Binocular Balance.

ClearChart 4X and ClearChart 4P users have the ability to add images and videos to customise their acuity system by simply importing files from a USB drive.

Patient Education slides come standard with the ClearChart 4X and ClearChart 4P.

The ClearChart 4P features a linear polarised screen that has polarisation angles of 45° and 135° using an articulating mount to provide proper viewing. Additional polarised charts are available in ClearChart 4P Polarized Digital Acuity System.

bottom of page