FDA approvals in 2025 introduced novel therapies and devices across ophthalmic subspecialties, emphasizing sustained efficacy ...

A superlattice comprising alternating layers of negative-refractive-index photonic crystals and positive-refractive-index dielectric media has been shown to exhibit an effective refractive index of ...

Please provide your email address to receive an email when new articles are posted on . Refractive outcomes after cataract surgery may be worse in eyes that underwent scleral buckling. Surgeons should ...

High refractive index polymers (HRIPs) are essential for manufacturing modern optoelectronic devices, including displays and light sensors. However, high-performance HRIPs are expensive and ...

Please provide your email address to receive an email when new articles are posted on . Patients previously underwent LASIK, RK or PRK. The Tecnis Eyhance IOL showed positive visual and refractive ...

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 ...

A refractive disorder is an ocular condition caused by changes in the shape of the eye, which prevents light from being focused sharply on the retina, creating unclear images. The causes may range ...

Several different types of eye surgery exist, including laser or traditional surgery and minimally invasive options. The specific treatment you need depends on many factors such as your eye condition ...

Researchers in Korea have created a new metamaterial with the most extreme positive index of refraction yet – a whopping 38.6. The metamaterial operates at terahertz frequencies and the team believes ...

A property of a material that changes the speed of light, computed as the ratio of the speed of light in a vacuum to the speed of light through the material. When light travels at an angle between two ...

Astigmatism is a common vision problem caused by an error in the shape of the cornea. Symptoms can differ from person to person but may include blurry vision and ...