A total lunar eclipse occurs when Earth comes between the sun and the moon, casting a huge neighbor over our nearest neighbor ...

The Viltrox AF 56mm F1.2 lens sits in the company's Pro lineup, offering a fast maximum aperture with advanced autofocus.

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

Christopher Lloyd is no stranger to the world of the kooky Addams Family. The actor played Uncle Fester in both the 1991 film ...

The blood moon in the Earth's shadow is created by Rayleigh scattering and refraction of sunlight in the Earth's atmosphere – ...

With most US counties lacking pediatric ophthalmologists, wearable devices may help expand access through remote monitoring.

Increasing use of energy-efficient solar panels and high-clarity lenses fuels Anti-reflective Coatings market growth globally, enhancing optical performance and durability.Austin, Sept. 08, 2025 ...

Last night, millions of people across the globe witnessed a rare total lunar eclipse that turned the moon a deep, dark red.

The last total lunar eclipse visible in the UK was in 2022, and it won't occur again until August 2026. Here's how and when ...

Discover the shocking story behind the PlayStation War and the brutal conflict over Coltan, a rare metal used in electronic ...

During a total lunar eclipse, the Moon darkens but does not completely vanish, as it remains illuminated by light refracted through the Earth's atmosphere. This is where the phenomenon of refraction ...

A Douglas optometrist has recently dedicated more than three weeks to providing vital eye care services to communities in ...