Different IOL calculators provided similar results in patients with a history of LASIK surgery, according to a study ...

SAN DIEGO — Incoming ASCRS president Nick Mamalis, MD, believes he knows what the next disruptive IOL technology will be: refractive indexing. In a presentation at Refractive Subspecialty Day at the ...

Ametropia refers to a group of visual disorders caused by errors in the refractive power of the eye. In a normal eye (emmetropic eye), light rays focus directly on the retina, whereas in ametropia, ...

The shape of a cornea can be measured and represented by color-coded maps in several ways. A number of different dioptric intervals has been used for color-coded maps and most topographers offer ...

San Jose, Calif. – Immersion extends a stepper lens' depth of field by beaming the light through a layer of water on top of the wafer. The liquid changes the refractive index, markedly boosting both ...