



HBM-1
Optical Biometer with Full Corneal Topography System
Optical biometer providing the optimal workflow for cataract surgery
- Optimized workflow for Cataract surgery
- Provide accurate IOL power calculation
- Myopia management & prescription lens
- User-friendly Biometry from measurement to report analysis
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Optimized workflow for Cataract surgery
Calculate accurate IOL Power values using various formulas and provide optimized workflow for cataract surgery by simultaneously measuring 10 optical biometry and full corneal topography values. Toric IOL are used for astigmatism, presbyopia correction for multifocal IOL and Spherical IOL for clear vision, etc. The user is guided to select the optimal IOL to correct refractive errors.
Installed Formula :
Barrett(Universal II, Universal II Toric, True-K, True-K Toric, Rx), Holladay, SRK2, SRK/T, HofferQ, Haigis, Camellin Calossi, Shammas No History
Provide accurate IOL power calculation
Biometry and topography values are provided by the HBM-1, which consistently calculate even in case of cataract patients. Dense Cataract Mode (DCM) is a feature of the device that enhances and recalculates weak light signals to ensure reliable data in patients with dense cataract.





Myopia management & prescription lens
Monitor changes in patients’ visual acuity data including alterations in axial length (AL) and refraction. The comparison of diagnoses from glasses and lenses, pre- and post-prescription, can be made easier, and regular management of eye care needs, like monitoring floaters that affect vision, is supported.
[Axial length normative data]
European - Axial length growth and the risk of developing myopia in European children, Tideman, J. W. L., DOI: 10.1001/jamaophthalmol.2019.1125
Asian - Normative data and percentile curves for axial length and axial length/cornea curvature in Chinese children and adolescents aged 4–18 years, He, X., DOI: 10.1136/bjophthalmol-2019-315580
User-friendly Biometry from measurement to report analysis
Enhance your usability with the HBM-1, which features connectivity, voice guidance, and auto-tracking. The user-friendly environment is made by the comprehensive report, which ensures smooth operation for practitioners.


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Specifications
1. Biometry
Parameter
Measuring range
SD of Repeatability
Axial length
14–40 mm
±0.025 mm
Anterior chamber depth
1.5–6.5 mm
±0.04 mm
Central corneal thickness
0.25–1.3 mm
±0.02 mm
Crystalline lens thickness
1.5–6.5 mm (phakic)
0.5–3.5 mm (pseudo-phakic)
±0.06 mm
Wavelength
835nm
-
White-to-white distance
7–14 mm
±0.05 mm
Pupil diameter
0.5–10 mm
±0.05 mm
2. Keratometry
Parameter
Measuring range
SD of Repeatability
Corneal curvature radius
5–13 mm
±0.03 mm
Cornea refractive power
25.96 D–67.50 D
(Cornea equivalence's refractive index:1.3375)
-
Direction of principal meridians
Measuring range:1° –180°
Accuracy:according to the ISO 10343:2014
Accuracy:
according to the ISO 10343:2014
-
3. Corneal Topography
Working distance
80 mm
Placido disc
24 rings
Points Analyzed
Over 100,000 (Measured points:Over 6,220)
Measuring accuracy
Type A according to the ISO 19980:2012
Cornea coverage
up to Ø 9,8 mm (on a 8 mm sphere) 42,20D with n=1.3375
4. Common
Biometry light source
835 nm
Display
Tiltable 10.1 inch, Touch panel color LCD
Horizontal movement
45 mm (back and forth), 100 mm (left and right)
Vertical movement
30 mm
Chinrest movement
62 mm (up and down), motorized
Auto tracking
X,Y for positioning, Z for working distance
Power supply
AC 100–240 V, 50/60 Hz, 1.6–0.7 A
PC
Built in computer
Dimensions
302(W) x 506(D) x 510(H) mm
Mass
22 kg
5. Software Features
IOL
IOL calculator, IOL editor
Keratoconus
KPI
Contact lens fitting
Fluorescein simulation
Zernike Analysis
Myopia Management
* Specification and design are subject to change without notice.
FAQ
Q. What are the core technologies of the HBM-1?
A. HBM-1 is a Placido disk–based corneal topography system (Topographer) that analyzes Placido disk patterns to generate anterior corneal topography maps. In addition, for biometry measurements, it applies the OLCR (Optical Low-Coherence Reflectometry) method to acquire signals for axial length (AL), central corneal thickness (CCT), anterior chamber depth (ACD), and lens thickness (LT) at each measurement position, and analyzes these signals to calculate location-specific data. The calculated data are validated for reliability based on standard deviation (STD), providing highly reliable measurement results suitable for clinical use.
Q. How fast and accurate is the HBM-1?
A. The HBM-1 is designed to acquire all necessary data in a single, rapid examination, minimizing patient chair time. It automatically validates AL and ANT measurements using STD-based analysis, reflecting only stable results—ensuring high accuracy without the need for repeated scans. In addition, its Auto Tracking function provides a consistent measurement environment, enabling reliable data collection regardless of the operator’s experience level.
Q. Which IOL formulas does the HBM-1 support?
A. The HBM-1 calculates IOL power using various formulas based on acquired biometric data, helping clinicians determine the most suitable IOL power for each patient. Supported formulas include:
Barrett (Universal II, Toric, True-K), Holladay, SRK2, SRK/T, Hoffer Q, Haigis, Camellin Calossi, and Shammas No History.
This broad formula library allows clinicians to compare multiple calculation approaches and select the optimal outcome.
Q. How is the user interface and overall usability of the HBM-1?
A. The HBM-1 features a 10.1-inch touchscreen with an intuitive user interface that allows examination, analysis, and report generation to be performed easily from a single screen. Its Auto Tracking function ensures stable measurements regardless of user proficiency. The device also supports DICOM and HIIS-1 integration, enabling streamlined patient data management and sharing.
Q. How does the HBM-1 support patient monitoring and long-term management?
A. The HBM-1 can monitor axial length changes and refractive shifts over time, making it effective for myopia progression management in growing children. It also provides advanced analysis tools—including Keratoconus Prediction Index (KPI), Zernike analysis, and contact lens fitting support—allowing clinicians to assess early disease indicators and conduct systematic follow-up examinations.





