Orthokeratology proved reversible in a study, with refraction and visual acuity returning to baseline levels 1 week after the treatment was completed. The study was the first to show the effects of ...

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 ...

Metasurfaces are a family of novel wavefront-shaping devices with planar profile and subwavelength thickness. Acoustic metasurfaces with ultralow profile yet extraordinary wave manipulating properties ...

CAMBRIDGE, Mass., Oct. 9, 2019 /PRNewswire/ -- PlenOptika, maker of the QuickSee handheld autorefractor, today announced the publication of research showing their device produces measurements in ...

In addition to our other problems, we must also contend with transmission (with attenuation), reflection, refraction, diffraction, absorption, and scattering. In addition to our other problems, we ...

Physicists are involved in an unusually heated debate over the reality of a new kind of refraction and about the possibility of making perfect lenses. Edwin Cartlidge reports. If you think science is ...

Laser in situ keratomileusis (LASIK) was initially reported by Ioannis Pallikaris in 1990 and has since become an efficient and highly popular procedure in corneal refractive surgery. However, a ...