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    Handheld Digital Auto-refractometer(AutoSight 900) is a portable vision screener for patients at any age. Its working principle is the refraction of light. Optical rays are focused on a sensor after passing through the eye’s refractive system. The spherical power, cylindrical power, and axis of both eyes can be obtained by digital signal processing. Features of Handheld Digital Auto-refractometer: Quick: Automatic and convenient. Press the button at the working distance (35cm/14in) and that’s it. The result will be automatically shown in 5 seconds. Accurate: Objective measurement of diopter is obtained from optical signal. The result is not affected by various external factors. Intelligent: Detects multiple eye problems in one measurement including myopia, hyperopia, astigmatism and anisometropia Technical Specifications of Handheld Digital Auto-refractometer: Item Range Interval Tolerance Spherical (S) Myopia Mode -9.00D~ +2.50D 0.25D ±0.50D or ±20% (whichever is greater) Normal Mode -6.00D  ~ +8.00D Cylindrical(C) -3.00D~0.00D 0.25D ±0.50D or ±20% (whichever is greater) Axis(A) 0°~180° 1° ±5°
    Sku: ZN2024397

    Handheld Digital Auto-refractometer

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    Features: 1. Capable of capturing both still images and video clips, provides excellent image resolution with full set of features 2. Easy to use measurement calipers for distance and angle measurements 3. Frame-by-frame review of video clips provided for selection of optimal image 4. Patient database and image library is provided with printing and download capabilities   Technical Specifications: A probe Detecting 1.Probe Frequency: 10MHZ   Error±0.5 MHZ 2.Precision: 0.05mm 3.Measurement parameters:  ACD depth, lens, axial length, and its average 4.IOL Calculation: SRK/II, SRK/T, Holladay, SCDK, Hoffer-Q 5.Data Processing: IOL table 6.Operation: Automatic, Manual 7.Information storage: Mass memory Build-in Case data 8.Images reports: External high definition ink-jet printer B probe Detecting 1.B probe mode: Mechanic Sector scans 2.Scan angle: 53° 3.Detect Depth: 50mm 4.Probe frequency: 10 MHZ    Error±0.5 MHZ 5.Resolution: Vertical≤0.5mm, Lateral≤1.0mm 6.Gray Scale: 256 7.Display Mode: B; B+B; B+A 8.Storage: 10 Frames 9.Image Post Processing: Brightness, Contrast, Smooth, Sharp, stretch, Equalize, etc.
    Sku: ZN2024398

    Ophthalmic AB Scan Machine

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