what is Eye Que
EyeQue VisionCheck is a refractometer that measures your refractive error, i.e. your nearsightedness, farsightedness, and astigmatism. The tests show results in the same format as your prescription, allowing you to order glasses online . The VisionCheck includes a patent-pending pupillary distance (PD) measurement tool, called the PDCheck, that accurately captures your PD in a matter of seconds. Optically speaking the Personal Vision Tracker is an ophthalmic refractometer, a class 1 medical device as defined by the FDA. Based on an MIT patent, the EyeQue refractometer has proven to be highly accurate and objective over a wide range of spherical (+8 to -10 diopters) and cylindrical (0 to -5 diopters) refractive error values. With a high-resolution phone, for example, a Samsung Galaxy phone with over 500 pixels per inch, the optical resolution using the PVT is 0.15 diopter. At-home vision testing, powered by your smartphone. Check your eyes whenever, wherever Measure your ...