A visual acuity test is a measure of the sharpness and clarity of one’s vision. He will be asked to read letters on a vision chart which is placed at 6 meters or 20 feet. The last line that can be ...

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 ...

Three visual acuity tests taken at home produce results comparable to those achieved with standard tests taken in the office, researchers say. All the tests are free. Two measure near vision, and the ...

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 ...

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 . The Hadassah Self-Visual Acuity Screener demonstrated high reliability, accuracy and alignment with standard ...

Optical illusions are mind-bending images that challenge your perception and test your observation skills. These challenges help scientists understand how our brain processes visual information.