


HRK-8100A
Auto Ref-Keratometer
Premium auto refractor with Wavefront technology for perfect personalized vision correction
- Precise examination of refractive errors
- Comprehensive aberration data measurement
- Detailed eye health analysis through IOL, RET-ILLUM Mode, and Color View Mode
- A user-friendly examination environment
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Precise examination of refractive errors
The micro Lens Array, independently developed by Huvitz, consists of hundreds of small lenses. This provides a wealth of Data Points for precise diagnosis of refractive errors
Comprehensive aberration data measurement with the Aberration Map
In addition to conventional data such as Spherical, Cylinder, and Axis, high order aberration data is graphically displayed in a Zernike map. High order aberration data such as Coma, Trefoil, Spherical Aberration, Secondary Astigmatism, and Tetrafoil, previously only available in wavefront aberrometers, is now accessible in Huvitz HRK-8100A!
Detailed eye health analysis
HRK-8100A applies a separate measurement method for intraocular lens or cataract measurement. It allows for the observation of eye health conditions such as lenticular opacity in cataract patients or cornea injury caused by contact lens wear. The Full Color CCD camera and white LED light source in the Auto Ref-Keratometer enable you to assess the contact lens fitting status, a feature previously only possible with slit lamps


A user-friendly examination environment with features like Auto Tracking
HRK-8100A automatically tracks and measures the measurement points. With just a press of the Up & Down buttons, users can comfortably and quickly set the height of the measuring point
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Specifications
1. Measurement Mode
Continuous Keratometry & Refractometry (K/R Mode)
Refractometry (REF Mode), Keratometry (KER Mode)
Keratometry Peripheral (KER-P Mode)
Base Curve of Contact Lens (CLBC Mode)
2. Refractometry
Vertex Distance (VD)
0.0, 12, 13.5, 15.0
SPH
-30.00 ~ +25.00D (In case of VD = 12 mm) (0.01/0.12/0.25D Unit)
CYL
0.00 ~ ±12.00D (0.01/0.12/0.25D Unit)
Axis(AX)
0 ~ 180˚ (1˚ Unit)
Cylinder Form
-, +, MIX
Pupil Distance (PD)
10 ~ 85mm
Minimum pupil diameter
Ø2.0mm
3. Keratometry
Radius of Curvature
5.0 ~ 13.0mm (0.01mm Unit)
Corneal Power
25.96 ~ 67.50D (In case that the corneal equivalent refractive power is 1.3375, 0.05/0.12/0.25D Unit)
Corneal Astigmatism
0.0~ -15.00D (Increments: 0.05/0.12/0.25D)
Axis
0 ~ 180˚ (1˚ Unit)
Corneal diameter
2.0 ~ 14.0mm (0.1mm Unit)
4. Auto travel distance
Up & Down
30mm (± 3mm)
Right & Left
10mm (± 2mm)
Front and back
10mm (± 2mm)
5. Automatick tracking scope
Up & Down
10mm (± 2mm)
Right & Left
10mm (± 2mm)
Front and back
10mm (± 2mm)
6. Chin rest travel distance
Up & Down
60mm (± 3mm)
7. Data Storage
Measured value of ten(10) times amount for each left/right eye
8. Hardware specification
Built-in printer
Line printer of heat printing type / Auto cutting
Power saving function
As stopping to measure for about 3/5/10 minutes
power is shut. It returns as pushing buttons.
Monitor
7.0” TFT LCD with touch screen
Power Supply
AC100 ~ 240 V, 50/60Hz
Power Consumption
1.0-0.8A
Dimension/Weight
524(W) × 262(D) × 439(H) mm / 20.5 kg
* Specification and design are subject to change without notice.
FAQ
Q. What are the key features of the HRK-8100A auto refractometer?
A. The HRK-8100A is a premium auto refractor that applies Wavefront Technology to accurately analyze refractive errors and precisely measure various aberration data through Aberration Maps. It also allows multifaceted assessment of eye health through retro-illumination, and Color View modes, while the Auto Tracking function provides a more convenient and stable examination environment.
Q. What is the 3D Zernike Map provided by the HRK-8100A?
A. The Zernike Map of the HRK-8100A analyzes optical distortions and higher-order aberrations generated as light passes through the eye based on Zernike polynomials and visualizes them in a graph. This map enables clinicians to easily understand location-specific refractive characteristics and aberration patterns, making it useful for precise diagnostics such as customized vision correction, contact lens fitting, and pre- and post-surgical evaluation.
Q. Can cataract patients be examined using the HRK-8100A?
A. The HRK-8100A supports dedicated measurement modes for intraocular lens (IOL) patients and cataract patients, and its retro-illumination mode—enhanced to be 2.5 times brighter—allows effective observation of lens opacity. However, for accurate cataract diagnosis and surgical decision-making, it is safest to combine examinations with specialized cataract diagnostic devices such as the HBM-1 or additional detailed evaluation by an ophthalmologist.
Q. What does the auto-tracking function of the HRK-8100A support?
A. The auto-tracking function of the HRK-8100A supports Full Auto Tracking, which automatically recognizes the pupil position and aligns the measurement point accordingly. Even without precise joystick operation by the user, the device automatically focuses and positions the capture area, increasing examination speed and minimizing measurement variability.
Q. What clinical environments is the HRK-8100A suitable for?
A. The HRK-8100A is well suited for environments that require highly precise visual assessment, as it provides higher-order aberration (HOA) data necessary for pre- and post-refractive surgery evaluation as well as customized lens prescriptions, based on Huvitz’s proprietary Wavefront analysis algorithm.
* For additional inquiries, please contact your nearest distributor by phone or use the “Contact Us” form on our website.
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