Wide-View Window Avoids "Instruments Myopia" Use of Wide-View Window allows subject to relax during measurement, as looking into the window naturally with both eyes can minimize instrument myopia. No Auto Fogging Means "No Accommodation" Measurement principle without autofogging function prevents subjects e.g. children from using accommodating. Wide-View Window Avoids "Instruments Myopia" Near vision Reading Near reading tests can be performed with attached near reading card of standard accessories. Near vision Reading Clear 5.6 inch color monitor Built-in clear 5.6 inch color monitor that produces superb colorful display of the icons for easier identification to select your desired choices for measurement.