Frey LCD Chart Panel CP-400


The Frey Chart Panel CP-400 is a premium visual acuity device that offers test capabilities  above the known standards used for chart projectors.

This device provides many features like low vision ,AMD optotypes, video playback capability, test reporting, spatial frequency and color contrasting testing.

  • 2 year warranty


Main Features

Rich set of Optotype Charts

Multiple test charts are available including letters charts, number charts, symbol charts.

The Frey CP-400 Chart Panel provides multiple chart display models and scales to allow the user to select the best method for the test procedure.

Color Vision testing

The CP-400 has built-in color vision charts allowing to examine patient’s color recognition accuracy.

Contrast Sensitivity Testing

Contrast testing can be performed on CP-400 using optotypes presented at different contrast level or for our more demanding customers sinusoidal bar grading test.

Patient Education Module

The patient education module of CP-400 Chart Panel provides the user with storage for educational pictures and videos which can be used for explaining eye disorders to the patient.

Test Reports

With the assistance of the remote control the user can record results of the tests.  At the end of the test a report can be created and stored in the device memory in .pdf format. The report can be transferred to an external computer with the use of USB memory stick or a WLAN connection.

User defined test sequences

For users willing to standardize their test procedures the CP-400 provides programming functions. Up to 3 programs can be defined by the user and then started with just one click on the remote .

Automated phoropter communication

The CP-400 Chart panel can communicate wirelessly with different models of auto phoropters. This feature allows users to extend the functionality of their existing phoropter systems .

Wireless connectivity option

Wireless communication is a feature available with optional USB WiFi module. It allows to communicate with CP-400 chart panel in computer network and access test reports and educational materials stored on the device.

Technical Specifications

Display size 24″ diagonal
Dimensions 605 x 370 x 30 mm (L/W/H)
Weight 3,5 kg
Power supply External INPUT: 100 – 240 ~0.9A 50/60 Hz. OUTPUT: 12.0V 3.0A DC
Power consumption 35 W max
Picture to Picture change time 0.5s
Refraction distance 2.9 to 6.1m
Background luminance 200 cd/m2
Auto off function 5, 10, 15 min – adjustable
Number of user test programs 3 programs, 15 steps each
VESA mount hole pattern 200 x 100mm

Software Features

Letter Charts Available optotypes: Sloan, Snellen, Cyrillic

Presentation modes: Snellen, LogMar, Snellen modified, Snellen contrast, DIN

Symbol Charts Available optotypes:  Standard, Allen, Hands, HOTV, HYVA, Symbols

Presentation modes: Snellen, LogMar, Snellen modified, Snellen contrast, DIN

Number Charts Available optotypes:

Standard, Numbers 1, Numbers 2, Digital

Presentation modes:
Snellen, LogMar, Snellen modified, Snellen contrast, DIN

Snellen Charts Presentation modes:

Snellen, LogMar, Snellen modified, Snellen contrast, DIN

Landolt Charts Presentation modes:

Snellen, LogMar, Snellen modified, Snellen contrast, DIN


ETDRS, revision 2000 C1
ETDRS, revision 2000 C2
ETDRS, revision 2000 C3

Red-Green Charts Schober, Worth Schober Red-Green
Four dot, Stereo Vertical coincidence
Horizontal coincidence Fixation disparity

White-Black test charts

Cross grid, Cross grid (white), Grid (children), Cross cylinder, Cross Cylinder (white), Astigmatism green, Astigmatism Snellen, Fixation point, Amsler

Bailey-Lovie chart

Hearing Impaired

Crowding Bars

Communication, reports, multimedia

  • Video
  • File manager
  • Reports
  • WiFi
  • iPad communication (Frey Chart Panel Application)
  • Printing reports
  • (cia iPad)
  • Slideshow
  • Optotype randomization

Other Tests

  • FAN and Block
  • Children images
  • Animations
  • SIRDS – Single Image Random Dot Test
  • Contrast sensitivity
  • 100 Hue
  • D15 saturated
  • D15 desaturated
  • Ishihara

Snellen charts




The Frey Chart Panel suite of devices is one the world’s leading fully featured digital acuity system with more than 5000 devices installed worldwide.

Presented in a slim line and attractive LCD panel with our proprietary built-in powerful computer, Frey Chart Panels enhances the look of any modern clinical practice designed to perform a comprehensive suite of recognized international visual acuity tests supported by easily customized reporting tools to suit clinician or practice needs.

Clinical advantages of the Frey Chart Panel technology

  • Fully integrated customized design designed to eliminate the risk of any computer related software or hardware incompatibility.
  • Extensive range of tests and functions that result in a precise determination of ocular diseases and common medical conditions.
  • Extensive range of tests and Optotypes with upgrade capability.
  • Complete range of contrast, color and stereo tests.
  • Patient education tools.
  • Comprehensive Optotype range including EU,UK, US and International standards.
  • Precise adjustment of working distance and Optotype.
  • Smooth and silent operation.
  • Optimized for illuminated rooms.
  • Built-in proprietary computer.
  • Test reporting.
  • Speech and hearing impaired tests.
  • Animations and videos.
  • Random and User programmable sequencing.
  • Mirrored setup.
  • Continuous technology upgrades.
  • Test Report customized Patient Education and Video Functions.
  • Slim Line space saving design, easily mounted

Ease of Use

Frey Chart Panels can be mounted directly on the wall or with use of VESA Standard adjustable Wall Mount or Desk Stand.

A simple to use IR remote with direct commands is intuitive and simple to use. Tests can be carried out in daylight illumination conditions creating a comfortable and convenient environment for patients and clinician.

Enhanced Children Tests & Fixation Methods

A complete suite of Optotypes, including HOTV and ALLEN Pre-School tests are supported by Animations, Colorful Pictures and Videos.

Superior Contrast Testing

Threshold Optotype Testing: Complements and extends the assessment in visual acuity function.

Spatial Frequency Testing: A proprietary contrast test for the early diagnosis of Cataract, Diabetic Retinopathy and other ocular diseases.

Test Result Reporting

Patient details can be easily entered into the system upon which the clinician can perform a sequence of acuity and visual tests. Test results can be stored in the Frey Chart Panel memory.

Low Vision AMD Optotypes

Standardized vision tests for patients with Age-related Macular Degeneration (AMD)
with Optotypes size and contrast alteration at a calibrated distance.

Comparative Table between Frey Chart Panel Models

Additional information

Weight 55 lbs
Dimensions 24 × 24 × 24 in

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