ClearChart 4. Digital Acuity System

ClearChart® 4

Digital Acuity System

Purpose-built and pixel-perfect – ClearChart® Digital Acuity

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 standard ClearChart 4 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.

Features 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 • •
Color vision testing • •
Color stereo testing •
Polarized stereo testing •

ClearChart 4 Optotypes

Category Optotypes
Standard
  • 17 Letter Set
  • 8 Letter Set
  • Sloan
  • Tumbling E
  • Landolt C
  • O Landolt C
  • HOTV
  • Numbers
Childrens
  • Kolt
  • Children’s Shapes
  • Allen
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 Disparity
  • Vertical Disparity
  • Worth 4 Dot
  • Crowding Bar
  • Suppression
  • Red Green Filter

LEA SYMBOLS and LEA NUMBERS are registered trademarks of LEA Test, Intl, LLC.

Specification Details
Catalog Number 13795
Display 24 in. (60 cm) LED backlit LCD (1920×1080 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 4 (13795) Details
Included Items
Remote control (1) Unit
AAA (LR03) batteries (2) Units
Power cords (2) Units
0.6 m (3 ft.) length
3 m (10 ft.) length
Wall mount bracket with screws (1) Unit
Wall mount adaptor (1) Unit
User’s Guide (1) Copy
Optional Accessories
Wall mount bracket adaptor (1) Optional unit
USB Bluetooth adapter (1) Optional unit
Wireless dongle kit (1) Optional kit
Pair red/green glasses (1) Optional pair

ClearChart® 4 Digital Acuity System Family Brochure
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