The Aladdin Ultra Pro 75 features Telesensory's fast-refresh system allowing for longer reading sessions and reduced eye strain. This feature helps individuals who may observe screen flicker when relying on peripheral vision for reading. , , The Ultra Pro 75 video magnifier with its large 17-inch screen makes reading easy at any magnification and can display complete columns of text. The Ultra Pro 75 can display your printed materials in high-contrast black text on a white background and white text on a black background. The user can also display vertical or horizontal line markers and shadow mask to help track text and reduce glare.