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 ...

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 ...

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

Study results, published in JAMA Ophthalmology, showed the Home Acuity Test can be used to measure visual acuity by telephone for a wide range of outpatients with diverse conditions under the care of ...

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 ...

Try to read the text displayed below on the screen...Step backward slowly until you are able to read the text. Stand 10 feet from the screen (About 3 large steps) and test one eye at a time. This test ...

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 ...

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 ...

Please provide your email address to receive an email when new articles are posted on . Dyop and ETDRS results were comparable under photopic conditions. However, Dyop results were worse under mesopic ...