HONOLULU, May 17, 2018 /PRNewswire/ -- A comparison study was reported at ARVO 2018, which has recently concluded in Honolulu, Hawaii. Drs. Christopher Lievens, Christina Newman, Alan Kabat and ...

Please provide your email address to receive an email when new articles are posted on . Spherocylindrical refraction performed with the Vmax Voice Activ Subjective Refractor yielded results that were ...

Using a phoropter to measure the refractive error is one of the most commonly used methods by ophthalmologists and optometrists. Here, we demonstrate design and ...

A phoropter is an instrument comprised of cylinders, prisms, and lenses that measures the eye’s refractive error to help determine and eye prescription. Phoroptors ...