Magnifier Dome 3x/10D/95mmEnhances image clarity by focusing light on reading material 3x, 10 Diopter Magnification Strength 3. 74 inch (95 mm) Diameter Durable, easy to use low vision aid reduces eyestrain This great all purpose magnifier is especially helpful in low light situations. Acrylic Lens Magnifying Dome provides distortion free magnification and has a calculated light guidance that directs all possible illumination onto the object. This provides a brighter field of