At the interface between two facets of an artificial crystal, sound waves can be transmitted in the opposite direction to that expected, and undergo no reflection. Such wave behaviour could have many ...

Accurate IOL calculations are essential to optimizing the refractive outcomes of lens implantation after cataract surgery, according to three surgeons. Challenges are arising as more patients who ...

Please provide your email address to receive an email when new articles are posted on . Described as “a stenopaeic slit refraction system in a binocular telescopic optometer calibrated to measure ...