ClearChart® 4X Enhanced Digital Acuity System
ClearChart® 4X
Enhanced Digital Acuity System
Purpose-built and pixel-perfect – ClearChart®
Now with new features!
The 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.
In addition to features such as ETDRS testing, patient education images, and ability to import images and video, ClearChart 4X now has newly added charts such as additional children’s optotypes, color vision testing charts, and color stereo tests (complete with stereo color vision glasses). ClearChart 4X also incorporate LEA SYMBOLS® and LEA NUMBERS®!
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ClearChart comparison | 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 | | | • |
| Categoría | Optotypes / Tests (ClearChart 4X) |
| STANDARD | 17 Letter Set
8 Letter Set
Sloan
Tumbling E
Landolt C
O Landolt C
HOTV
Cyrillic
LEA NUMBERS |
| CHILDRENS | Allen
Pigassou (Hearing Impaired Chart)
Osterberg
Sheridan-Gardiner
Lower Case
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
License Plate
Color Vision testing (Color Blindness)
Schober (color balance)
Grid
Maddox LED Light
Inverse Black & White |
| ADDITIONAL CHARTS | Color Stereo Tests
MKH with Color Stereo and Anaglyph Images
Mallett Test
Horizontal and Vertical Coincidence Test |
| Trademark Notice | LEA SYMBOLS and LEA NUMBERS are registered trademarks of LEA Test, Intl, LLC. |
| Specification | Details |
| Catalog Number | 13775 |
| 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) |
| Included in Box (ClearChart 4X – 13775) | (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 |
ClearChart® 4 Digital Acuity System Family Brochure
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