What is a medical surgical magnifying glass
Aug 26,2025
Medical surgical magnifying glasses (foreign name: loupes) belong to Class I medical devices, classified as medical magnifying glasses. They use Galilean and Kepler optical path principles, with magnification covering the range of 2.5X to 6.0X, adjustable working distance of 200-400mm, depth of field range of 15-35mm, and equipped with dual LED cold light sources (color temperature 5500K, illumination 3000lux). The forehead worn style consists of an adjustable headband, multi-directional adjuster, and 4-6 times interchangeable lenses; The glasses are equipped with objective and eyepiece modules, using non spherical lenses to eliminate spherical aberration, and the frame is adapted to different pupil distances.
This device forms a three-dimensional field of view through optical stereo focusing observation technology, supports independent pupil adjustment and dynamic balance compensation, and includes three types of products: head mounted, desktop, and wearable. Clinical applications include neurosurgery brain localization (error 0.1mm), otolaryngology tympanic membrane repair (accuracy 0.05mm ²), ophthalmic retinal vascular occlusion (visible diameter of 20 μ m vessels), and dental implantation (bone cutting accuracy ± 50 μ m).
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