ClearChart® 4P Polarized Digital Acuity System
ClearChart® 4P
Polarized Digital Acuity System
ClearChart® 4P
Polarized 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 4P Polarized Digital Acuity System features a new polarized 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 4P has additional features such as stereo testing, color vision testing, 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®!
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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 4P) |
| 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 |
| POLARIZED CHARTS | MKH
Phoria
Cyclophoria Test
Vertical Coincidence Test
Stereo Tests
Stereo Balance Tests
Polarized Muscle Tests
Polarized Binocular Balance Tests
Mallet Test
Horizontal and Vertical Coincidence Test |
| Trademark Notice | LEA SYMBOLS and LEA NUMBERS are registered trademarks of LEA Test, Intl, LLC. |
| Specification | Details |
| Catalog Numbers | 13785AG, 13785SE, 13785DL |
| Display | 24 in. (60 cm) LED backlit LCD (1920×1080 Pixels), with passive 3D capability |
| 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, programmed for LogMAR, Standard, or Linear Decimal chart progressions. |
| Electrical | Voltage: 100 – 240 volts AC 50/60 Hz
Input Power: 50–75 VA
Fuses: Time-Lag (2.5A, 250V), 5 x 20mm, RoHS
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 | (1) Remote control
(2) AAA (LR03) batteries
(2) Power cords – 0.6 m (3 ft.) and 3 m (10 ft.) length
(1) Wall mount bracket with screws
(1) Wall mount adaptor
(1) Pair polarized glasses
(1) Key card for Pigassou Optotypes
(1) Key card for Sheridan Gardiner Optotypes
(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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