The Vortex Triumph HD won our Great Buy Award at last year’s optics test and I’ve personally tested it against binoculars costing two to ten times more. It’s without a doubt the best cheap binocular ...

What do binocular numbers mean? may seem like a simple question. But the truth is that it can be as simple or as complicated as you want. If you’re just talking about the numbers in “10×42” or “8×32,” ...

As optics companies race to put electronics in their products and replace traditional glass with digital screens, it’s refreshing to see many brands are investing in heirloom-quality hunting ...

We've tested many image-stabilized binoculars — here's our expert verdict on whether you should bite the bullet and buy a ...

Binocular vision dysfunction (BVD) is a condition that affects vision. It can cause a range of symptoms, such as double vision, light sensitivity, pain with eye movement, and more. BVD makes it ...

Please provide your email address to receive an email when new articles are posted on . For decades, eye care providers dedicated the majority of our attention to vision clarity. With spectacles, ...

In his 1888 book Astronomy With an Opera-Glass, Garrett Serviss wrote: “The Milky Way, streaming down out of the northeast, pours, in a luminous flood, through Sagittarius, inundating that whole ...

Inputs from the two eyes are first combined in simple cells in the primary visual cortex. Consequently, visual cortical neurons need to have the flexibility to encode visual features under both ...