Using regression analysis, the investigators found that the control of axial growth with ortho-K treatment was better in the summer than in the winter (β=-0.05; P <.001). They observed a similar ...

Congenital ectopia lentis is a rare ocular disease characterized by the dislocation or displacement of the lens.

Technically, this is known as a catadioptric optical system as it employs both reflection using curved mirrors – catoptrics – ...

Here, we study a new route to nonlinear metasurface-based optics by coating linear refractive elements with conformable nonlinear metasurface-skin, resulting in hybrid nonlinear refractive elements.

The side effects should decrease within the month after surgery. Most people are satisfied with their surgical results. Refractive Surgery Council. LASIK. Refractive Surgery Council. PRK recovery time ...

Jeremy Clarkson has revealed the nauseating side effects he experienced while taking Ozempic for weight-loss. The Clarkson's Farm and former Grand Tour presenter has been open about the forced ...

The National Weather Service has issued winter weather advisories for counties across northern New York as freezing rain and snow is possible this weekend. The system is currently moving across ...

Alzheimer’s patients in the European Union will have to keep waiting for new treatments after regulators blocked a drug that’s already been approved in the United States and the United Kingdom.

Conventional curved lenses, which direct light by refraction in glass or plastic, are often bulky and heavy, offering only limited control of light waves. Metasurfaces, in contrast, are flat and ...

Cocoa extract supplementation among older adults had no effect overall on the occurrence of AMD. However, there was a possible time-dependent benefit during the first 2 years of treatment.

The 25% tariff will apply to all cars made outside of the United States and will go into effect April 2. The auto tariffs are the latest salvo Trump's trade war, which has also raised import taxes ...