

HDC-100
Digital Chart
Optimal Digital Chart for Efficient Vision Testing
- Precise Diagnostics with a Variety of Test Charts
- Optimized Testing Environment with Convenient Settings
- Enhanced Testing Efficiency with User-Centered Convenience
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Accurate Vision Measurement Achieved Through Diverse Test Charts
Offering more than 100 types of charts, the HDC-100 supports a wide range of methods for precise vision and visual function testing. It provides English, numeric, Landolt ring, and Snellen charts, as well as picture charts for children.





Adjustable Testing Distance and Vertical Screen Mode
The testing distance can be easily set from 1.5 m to 8 m in 0.1 m increments, allowing flexible vision testing in various environments. Both horizontal and vertical screen modes are supported, making it adaptable to different spaces and usage conditions.
Integration with Huvitz Refractors
When connected to Huvitz digital refractors (HDR‑9000, HDR‑7100P), the HDC‑100 can be controlled directly from the refractor’s control panel, enabling a fast and convenient workflow for vision testing.

Specifications
1. Hardware Specification
Screen
24 inch (61.1 cm) WUXGA TFT LCD
Visible area
(W)518.4×(H)324.0 mm
Screen ratio
16:10
Resolution
1920×1200 pixels
Brightness
Max. 300 cd/㎡
Refraction distance
1.5~8.0m (0.1m step) / 4.75 ~26.00 feet (0.25 feet step)
Main processor
Amlogic S905 SoC 4 × ARM Cortex-A53 1.5GHz
64bit ARMv8 Architecture @28nm / 3×ARM Mali-450 MP 700MHz
Internal memory
MicroSD 16GB 90MB/s
Power
DC 12V 5A
Power consumption
55W
Control
Infrared radiation or serial communication of RS-232
External interface
4x USB, 1x RS-232, 1x Ethernet (10/100/1000)
Dimension and weight
(W)534×(H)361×(D)41 mm, approximately 4.0 kg
2. Software Specification
Operating System (OS)
Google’s Android
Multi-channel
Max. 4 channels
3. Optional
Standard accessory
IR Remote-control, Wall-mount bracket
Optional accessory
Floor stand, Red/Green glass
* Specification and design are subject to change without notice.