Incoming information from the retina is channeled into two pathways in the brain's visual system: one that's responsible for processing color and fine spatial detail, and another that's involved in ...

Kaleidoscope vision involves seeing distorted images that resemble the view through a kaleidoscope, often with broken-up and brightly colored visuals. The most common cause of kaleidoscope vision is ...

Scientists studying brain process involved in sight have found the visual cortex also uses information gleaned from the ears as well as the eyes when viewing the world. They suggest this auditory ...

Visual changes can often be a symptom of a neurological condition, such as stroke, migraine, or an infection. In some cases, changes may be permanent or progressive, but in many cases, prompt ...

A person with peripheral vision loss has difficulty seeing things above, below, or at the side without turning their head. This type of vision loss is also known as tunnel vision. Tunnel vision can ...

Tunnel vision refers to the loss of side vision. With tunnel vision, a person can only see what is directly in front of them. As such, their vision may appear as if they were peering down a narrow ...

"Seeing is believing," so the idiom goes, but new research suggests vision also involves a bit of hearing too. "So, for example, if you are in a street and you hear the sound of an approaching ...