by Freedom Scientific
The TOPAZ desktop video magnifier family is developed by Freedom Scientific, a Vispero brand, and has been a standard tool in low-vision rehabilitation, education, and employment settings for many years. TOPAZ devices combine a high-definition camera positioned above a reading surface with a large built-in display to show a magnified, colour-enhanced image of printed materials and objects.
TOPAZ video magnifiers offer high-definition magnification from low levels up to 82× on certain models, with 33 selectable colour contrast modes including high-contrast and inverted palettes designed to optimise readability for different eye conditions. Features include Freeze Frame (captures a still image for detailed examination), Focus Lock, Reading Lines and Masks that guide line tracking, and a Find Feature that helps locate text on a page. Higher-end TOPAZ models include a computer connectivity port so the device also functions as an external monitor while magnifying documents on its own camera.
TOPAZ video magnifiers serve people with low vision conditions including macular degeneration, diabetic retinopathy, glaucoma, albinism, and other conditions affecting central or peripheral vision. They are recommended by low-vision specialists and occupational therapists for users who need a dedicated, easy-to-use reading station at home, in school, or at work.
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