Incoming information from the retina is channeled into two pathways in the brain's visual system: one that's responsible for ...

Nearly two million people worldwide have lost the simple ability to feel steady. Now researchers have developed an ...

Scientists have long known that the brain's visual system isn't fully hardwired from the start—it becomes refined by what ...

Study reports persistent visual disturbances in men taking the highest recommended dose of sildenafil, suggesting that first-time users should use a lower dose. Image: Shutterstock -- by Conn Hastings ...