Purpose To determine the effects of advanced spectacle lens technologies on changes in spherical equivalent of refraction ...

Patients who previously underwent LASIK and are now experiencing age-related vision changes have a new path forward. In its ...

Patients who have a new type of lens implanted in their eyes during surgery for cataracts or to correct their eyesight have excellent or good vision over distances both near and far, and often no ...

Understanding diffraction and dispersion is key to optical science, influencing technologies like spectroscopy, fiber optics, ...

As a special design material, black material spheres play a crucial role in VR devices. They can precisely control the reflection and absorption of light, allowing the material spheres to display a ...

This strong refraction effect also causes the sun's disk to appear oval when it is near the horizon. The amount of refraction increases so rapidly as the sun approaches the horizon, that its lower ...