Optical illusions with hidden images are amazing for testing your visual powers. These illusion images challenge your brain's ...

Online eyewear and vision care company Visibly announced it had received FDA 510(k) clearance for its at-home vision test. The Visibly Digital Acuity Product uses a touchscreen mobile device, like a ...

How good is your mental speed at observing hidden details? Solve this optical illusion to find out! Only if you are visually ...

Please provide your email address to receive an email when new articles are posted on . The Hadassah Self-Visual Acuity Screener demonstrated high reliability, accuracy and alignment with standard ...

July 15, 2009 — Current evidence is insufficient to determine the balance of benefits and harms of visual acuity screening for the improvement of outcomes in older adults, according to a position ...

The FDA announced that it cleared the Visibly Digital Acuity Product, a web-based, self-guided software application for testing visual acuity at home. The technology, which the FDA cleared Aug. 12, is ...

Credit: Shutterstock. Individuals can complete the test in approximately 6 minutes, at which point the test results will be made available to an eye care professional. The Food and Drug Administration ...

Theta 1 and Theta 2 Orionis are two multiple-star systems within the Orion Nebula (M42). Theta1 includes several stars; the four brightest comprise the Trapezium star cluster at the heart of M42. To ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. In 1999, I defined ...

Visual acuity is a measure of how small a detail that is visible can be, and still be identified by a person. The most common way of testing vision is to use an eye chart, (the kind that you see in an ...