LHQYA Lens Stress Tester Machine, Polarizing Crystal Lens Detector, Uniform Brightness Without Astigmatism, 6 Functions, Designed with LED Light Source, for Ophthalmic Hospitals
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Product description
- Lens Stress Tester You can observe the light and dark stripes of the lens, the force distribution during the injection molding process, check the changes in the installation force, and the difference between real and fake crystal lenses.
- Widely Used It is suitable for major glasses stores, vision care centers, hospitals, optometry training centers, etc. to detect the stress status of glasses, determine the authenticity of crystals, and is used for the production and detection of glasses.
- Features This instrument understands internal distortion by observing the light and dark stripes of the lens. This stress meter allows easy analysis of the injection molding process and authenticity of crystal lenses.
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