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    The Welch Allyn 125 BIO, with blue diffuser filter, is designed to achieve precise binocular viewing and stereopsis easier than ever before. Its observation paths can be adjusted from 48 mm to 74 mm to handle the widest and narrowest interpupillary distances.


    Optical System: Video-aligned optical system ensures precise positioning of components for easy viewing.
    Comfort: A headband with well-padded leather and swooped design combined with ergonomically designed controls provide comfort and simple operation.
    Convergence Control: Illumination and visual pathways can be synchronized for excellent visualization and true small pupil capability (down to 2mm).
    Sealed Optics: Vital optics and mirror assemblies are sealed against dirt and dust for long-term clear viewing and durability.
    Wide-Range IPD Control: Adjusts to handle interpupillary distances of 49mm to 74mm - the widest range available in BIO.
    Diffuser Filter: Broadens the illumination beam for enhanced viewing of the peripheral retina.
    Flexible Power Sources: Choose from two power supply sources - our portable power source or the versatile all/desk power source.

    Key Components

    BIO with Headband
    Rechargeable Battery for BIO
    BIO Halogen Lamp

    Warranty - 10-year instrument and 5-year headband warranty.