Perform all of the functions you normally would in a manual refraction, but now you can do so while seated comfortably in a chair beside the patient. With the Gilras GDR-7000 Digital Refractor, you'll enjoy a huge list of important features and capabilities including a dual cross cylinder lens, automatic occlusion and convergence, flexible PD control, vertex distance check and cornea illumination. The GDR-7000 also features a 6.4" Full Color LCD with tilt as well as an intuitive key pad with logically arranged keys. Choose from numerous different charts and tests and change out lenses rapidly and precisely. You can even illustrate how the subjective results differ from objective study findings using the unit's Compare Mode. All this, plus the ability to connect and share data on your network, make the GDR-7000 an exciting addition to eye care practices.