A household scene as viewed by various pets and pests. Human eyesight is roughly seven times sharper than a cat, 40 to 60 times sharper than a rat or a goldfish, and hundreds of times sharper than a ...

So what might explain why human visual acuity appears so lackluster early in life (to the tune of over 20 percent of teenagers using corrective lenses)? There are a number of possible explanations we ...

Poor visual acuity, defined as difficulty discerning letters or numbers at a given distance, is associated with depression in middle-aged and older individuals, new research suggests. After multiple ...

As mobile displays continue to advance, the eye’s maximum pixel resolution has become the new benchmark, since improvements beyond this point do not enhance the viewing experience. A recent study ...

Children with amblyopia who used the AmblyoPlay app 5 days a week for 6 months had significant improvements in visual acuity, ...

Please provide your email address to receive an email when new articles are posted on . Perceptual learning significantly improved spectacle-corrected distance visual acuity. Patients assigned to ...

Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...