The Illuminated Phoroptor® features lighted sphere, cylinder power and cylinder axis scales that are easier than ever to see. The Illuminated Phoroptor utilizes cool-running, energy efficient LEDs ...

Please provide your email address to receive an email when new articles are posted on . SAN DIEGO — Wavefront technology using a Hartmann-Shack system can be validated by conventional clinical ...

The first step is to reassure the patient that an adjustment can easily be made and to make sure that the refraction is stable. Toric IOLs rarely rotate after implantation, but the wound is not stable ...

To demonstrate a quick way of calculating the optical difference between two refractions using vector analysis, and to express this as a score for examination purposes. An existing formula is applied, ...