Test your visual acuity! Only 3% of people with 4K vision can find the number '87' hiding among the '78' in 7 seconds. Are ...

Visual illusions are images that play tricks with our eyes and brain. These puzzles are excellent for testing an individual's visual acuity. These mind-bending images challenge our perception and ...

The word ‘FAN’ is hiding in plain sight in this brain teaser. Only someone with hawk eyes and an IQ above 140 can spot it in 5 seconds. Can you? Test your visual acuity and intelligence now!

Recognising when a child needs an eye exam is important. Sometimes the signs are obvious, but often they can be subtle.

“It’s possible that the mice weren’t seeing them,” admits Shin, “because the technique has involved a relatively small number ...

Even if your child passes a school vision screening, an Atlanta optometrist says it's not a substitute for a full eye exam.

Detailed price information for Astrazeneca Plc ADR (AZN-Q) from The Globe and Mail including charting and trades.

Fast-growing Raleigh appears to be a good candidate for a Major League Baseball team. But even a minor league club has eluded ...

A size V stimulus in a 10-2 visual field test in advanced glaucoma can be more useful than a size III stimulus and may have value in early stages of advanced disease, according to a speaker at Academy ...

MATTOON — Continued testing of Mattoon’s water supply is showing improvement, but the city isn’t ready to lift its do not drink order just yet. “The Illinois Environmental Protection Agency (IEPA) ...

Keratometry measures the radius of curvature of the cornea, specifically the central zone. This measurement helps determine the cornea’s refractive power and identify any irregularities, such as ...