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Vision Testing

ClearChart® 4X Enhanced Digital Acuity System LEA

ClearChart® 4X Enhanced Digital Acuity System (front)

ClearChart® 4X Enhanced Digital Acuity System (patient education)

ClearChart® 4X Enhanced Digital Acuity System (pediatric)

ClearChart® 4X Enhanced Digital Acuity System (contrast)

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 now has LEA SYMBOLS® and LEA NUMBERS®!

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

All ClearCharts are made in the USA.

Find Distributor

Product Questions

	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.

ClearChart® 4X Enhanced Digital Acuity System Specifications:

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