Description
PIXEL-PERFECT ACUITY TESTING AND PURPOSE-BUILT
The family of ClearChart® Digital Acuity Systems from Reichert® 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. The ClearChart 4 Digital Acuity System, ClearChart 4X Enhanced Digital Acuity System, and ClearChart 4P Polarized Digital Acuity System all feature a 24-inch, high-resolution, LED-backlit display, and are lightweight, cool-running, and long-lasting. ClearChart seamlessly connects to Reichert digital Phoroptors for the best possible refraction experience for both you and your patient.
BUILT FOR ACUITY TESTING
ClearChart® Digital Acuity Systems are all-in-one, custom-built and engineered for all of your acuity testing needs. Utilizing an intuitive and stable operating system designed by Reichert, ClearChart ensures consistent and reliable performance over other computer-based acuity systems.
NO MOVING FANS OR SPINNING HARD DRIVES
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.
HIGH-RESOLUTION, LED-BACKLIT
All ClearChart models feature a 24-inch, high-resolution (1920×1080), LED-backlit display with three different illumination levels for mesopic (3 cd/m2) and photopic (85 cd/m2) lighting conditions.
WIDE RANGE OF OPTOTYPES
ClearChart has an extensive range of optotypes that can be randomized to prevent patient memorization. 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.
Specialty test charts include Astigmatic Tests, Fusion and Phoria Tests, and Binocular Balance.
ClearChart 4X and ClearChart 4P include LEA SYMBOLS® and LEA NUMBERS® along with ETDRS and Contrast Sensitivity.
INTUITIVE REMOTE CONTROL
An easy-to-use, infrared remote control allows access to all features and functions from almost anywhere in the room.
DIRECT OR MIRRORED CONFIGURATION
ClearChart Digital Acuity Systems can be configured for standard or mirrored viewing to accommodate refracting distances from 6 ft to 31 ft (1.83 m to 7.5 m).
IMAGES AND VIDEOS
ClearChart 4X and ClearChart 4P users have the ability to add images and videos to customize their acuity system by simply importing files from a USB drive.
Patient Education slides and Pediatric Fixation video come standard with the ClearChart 4X and ClearChart 4P.
STEREO TESTING
ClearChart 4X now features new color stereo charts for binocular testing. ClearChart 4P features a linear polarized screen with polarization angles of 45° and 135° and utilizes an articulating mount to ensure proper viewing.




