Please provide your email address to receive an email when new articles are posted on . SAN FRANCISCO — At Refractive Surgery Subspecialty Day at the American Academy of Ophthalmology meeting, an ...

Please provide your email address to receive an email when new articles are posted on . SAN FRANCISCO — A nomogram for laser refractive surgery that accounts for the interactions of certain ...

A new imaging technique known as wavefront coding is helping designers to reduce the cost and weight of imaging systems. Andrew Harvey and Gonzalo Muyo look at how the technique is being applied to ...

Optical aberrations and the errors they introduce are a standard obstacle in localization microscopy techniques, and hinder the gathering of depth information from a biological sample. A project at ...

Nikon’s DC-Nikkor family is only two lenses deep, comprising just this one and a 105mm f/2. A full-frame lens, this 135mm f/2 ($1,080, street) converts to about 200mm on a Nikon D80. Both of the DCs ...