



HRK-1
Auto Ref-Keratometer
Standard auto refractor that automatically adjusts and accurately measures the examinee's diopter
- Accurate vision measurement
- Rapid guidance to the measurement position
- Color View Mode
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Accurate vision measurement
Considering the refractive error of the patient, the measurement ring is projected on the retina, and is adjusted automatically by Smart Assembly Moving to secure a stable signal. HRK improves the effect of uneven light reflection in normal and cataract eyes with the results being more accurate refractive power data
Rapid guidance to the measurement position
The Aiming Dot quickly guides you to easily find the patient’s visual apex from any position for fast alignment. Reliable refractive power data is then automatically obtained
Color View Mode
Color View Mode allows you to assess the condition of the eyes and the fitting status of contact lenses, and provides corneal curvature values for prescribing contact lenses. Furthermore, it is capable of color display with a Full Color camera and White LED illumination
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Specifications
1. Measurement Mode
K/R Mode
Cornea/curve continuous measurement (K/R mode)
REF Mode
Curve measurement
KER Mode
Cornea measurement
2. Curve measurement
Vertex Distance (VD)
0.0, 12.0, 13.75, 15.0
Sphere (SPH)
-30.00 ~ +25.00D (VD=12mm)
Cylinder (CYL)
0.00 ~ ±12.00D (Increments: 0.12, 0.25D)
Axis (AX)
0° ~ 180° (1° unit)
Astigmatism Indication
-, +, ± (Mixed)
Pupil Distance (PD)
10 ~ 85mm
Minimum Pupil Diameter
Ø2.0mm
3. Cornea measurement
Corneal curvature radius
5.0~13.0mm (Increments : 0.01mm)
Cornea refractive power
25.96D~67.50D (Increments : 0.05, 0.12, 0.25D) (When cornea equivalent refractive index is 1.3375)
Cornea astigmatism prescription
0.00~-15.00D (Increments : 0.05, 0.12, 0.25D)
Cornea astigmatism axis angle
0~180˚ (Increments : 1˚)
Cornea diameter measurement
2.0~14.0mm (Increments : 0.1mm)
4. Auto Tracking Distance
Auto travel distance
Up and down / ± 30 mm (± 3 mm)
Automatic tracking scope
Up and down / ± 5 mm
Chin rest travel distance
Up and down / 60 mm (± 5 mm)
5. Others
Monitor
7” Color LCD IPS Panel (800*480) Resistive Touch panel
Interface
RS-232C
Built-in Printer
Thermal Line Printer
Power Supply
100 ~ 240VAC, 1.0 ~ 0.6A, 50/60Hz
Dimensions / Weight
261(W) x 513(D) x 433(H)mm / 16kg
* Specification and design are subject to change without notice.
FAQ
Q. What are the main functions of the HRK-1?
A. The HRK-1 is Standard auto refractor that supports accurate and simple refraction measurement by automatically focusing according to the patient’s diopter. Its Smart Auto Focusing technology and Aiming Dot guide quickly guides alignment to the pupil center, enhancing ease of use. In addition, the Color View Mode allows observation of ocular conditions and verification of contact lens fitting.
Q. What is the purpose of the Color View Mode on the HRK-1?
A. The Color View Mode of the HRK-1 uses a color camera and white LED illumination to observe the anterior segment of the eye in clear color images. This enables assessment of corneal and conjunctival conditions as well as contact lens fitting and prescription, supporting more precise eye health evaluation in various clinical situations.
Q. What technology does the HRK-1 use to measure vision?
A. The HRK-1 uses Smart Assembly Moving Technology, which automatically adjusts to project the measuring ring accurately onto the retina according to the patient’s diopter, ensuring stable signal acquisition. In addition, the Aiming Dot quickly identifies the pupil center, reducing the operator’s workload and enabling more reliable refractive data.
Q. How fast is the examination process with the HRK-1?
A. The HRK-1 applies a pupil center positioning guide (Aiming Dot) that helps target the eye center easily from any position. This significantly reduces alignment time for the examiner, allowing the overall examination to be conducted quickly and efficiently.
Q. Who is the HRK-1 suitable for?
A. The HRK-1 is well suited for routine vision measurement tasks such as basic refraction testing and contact lens fitting. With accurate refractive measurement and the use of Color View Mode, it is highly applicable in optometry shops, optometry practices, and ophthalmology clinics. Its intuitive interface also allows users of any experience level to perform examinations quickly and stably, which is a key advantage.





