ClearChart® 4X

Enhanced Digital Acuity System

Purpose-built and pixel-perfect – ClearChart®.


The all-new family of ClearChart® Digital Acuity Systems from Reichert® are all-in-one, elegant, simple to use, and uniquely designed to meet all of your acuity testing needs with a wide selection of optotypes and other special test charts. The ClearChart® 4X Enhanced Digital Acuity System features a new 24 inch, high resolution, LED backlit display, is lightweight, cool running, and long-lasting. The intuitive user interface, whether controlled from the easy-to-use infrared remote or via the Phoroptor® VRx Digital Refraction System, provides the best user experience of any digital acuity chart.

The ClearChart 4X has additional features such as ETDRS testing, patient education images, and ability to import images and video.

New! ClearChart 4X and ClearChart 4P now have LEA SYMBOLS® and LEA NUMBERS®!

Also available: ClearChart® 4P Polarized Digital Acuity System and ClearChart® 4 Digital Acuity System.

All ClearCharts are designed and assembled in the USA.
  • Details
  • Specs
  • Brochures
  • Instructions
  • Related Items
ClearChart 4 ClearChart 4X ClearChart 4P
Purpose built for acuity testing
Wide range of optotypes and tests
24 inch high resolution LED backlit display
Cool running, free of moving fans or hard drives
Pediatric fixation cartoon video
Connects to Reichert digital Phoroptors
Astigmatic testing
LEA SYMBOLS®
LEA NUMBERS®
ETDRS
Patient education images
Contrast sensitivity testing
Import your own videos and images
Stereo testing
Color vision testing

ClearChart 4X Optotypes:

Standard:
17 Letter Set
8 Letter Set
Sloan
Tumbling E
Landolt C
O Landolt C
HOTV
LEA NUMBERS

Childrens:
Allen
LEA SYMBOLS

Presentation:
Single Line
Double/ Same
Double/ Decreasing
Triple Same
Triple Decreasing
Quadruple Same
Quadruple Decreasing
Single Letter
Column
Column Uneven

Other:
Xcyl Crowding Dots
Astigmatic "Wheel"
T
Fixation Dot
Horizontal Disperity
Vertical Disperity
Worth 4 Dot
Crowding Bar
Suppression
Red Green Filter
EDTRS
Contrast Sensitivity 
Patient Education Slides

LEA SYMBOLS and LEA NUMBERS are registered trademarks of LEA Test, Intl, LLC.
Catalog Number: 13775

Display: 24 in. (60 cm) LED backlit LCD (1920x1080 Pixels)

Max Illumination: 220 cd/m2

Photopic Illumination: 85 cd/m2

Mesopic Illumination: 3 cd/m2

Refraction Range: 1.83 m (6 ft) - 7.5 m (24.6 ft)

Dimensions:
Height: 
39.62 cm (15.60 in)
Width: 58.92 cm (23.20 in.)
Depth: 7.62 cm (3.00 in.)

Weight: (unpacked) 5.9 kg (13.1 lbs.)

Communication:
- RS232 Serial Port
- 2 USB Ports
- Can be linked by wired or wireless connection to a Reichert® digital Phoroptor®

Remote Control: Infrared 

Electrical: 
Voltage:
100 - 240 volts AC 50/60 Hz
Input Power: 50-75 VA
Fuses: Time-Lag (2.5A, 250V), 5 x 20mm
Remote Control: 2 AAA (LR03) batteries

Operational Environment: 
Temperature:
10° C (50° F) to 35° C (95° F)
Relative Humidity: 30% to 75%
Atmospheric Pressure: 80 (23.6 in. Hg) to 106 kPa (31.3 in. Hg)



ClearChart 4X (13775) comes with:

(1) Remote control
(2) AAA (LR03) batteries
(2) Power cords - 0.6 m (3 ft.) length and 3 m (10 ft. length
(1) Wall mount bracket with screws
(1) Wall mount adaptor
(1) User’s Guide

Optional accessories:
(1) Wall mount bracket adaptor
(1) USB Bluetooth adapter
(1) Wireless dongle kit
(1) Pair red/green glasses
img1
TitleClearChart® 4 Digital Acuity System Family Brochure
Title
Document
Download Link
ClearChart® 4 Digital Acuity System Family Brochure
Document13775-110-C
Download Link Download
img1
TitleWireless Dongle Kit 13778 – ClearChart 4 & AcuityChek™ – User’s Guide
img1
TitleClearChart® 4 Digital Acuity System - User's Guide
img1
TitleCleaning & Disinfection Matrix
img1
TitleClearChart® 4 Digital Acuity System - User's Guide - Spanish
Title
Document
Download Link
Wireless Dongle Kit 13778 – ClearChart 4 & AcuityChek™ – User’s Guide
Document13778-101-C
Download Link Download
ClearChart® 4 Digital Acuity System - User's Guide
Document13795-101-J
Download Link Download
Cleaning & Disinfection Matrix
DocumentSB-08-2020
Download Link Download
ClearChart® 4 Digital Acuity System - User's Guide - Spanish
Document13795-101-B
Download Link Download
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