Results from smartphone-based Snellen charts, which are eye charts used to measure visual acuity, are not consistent with results from standard Snellen visual acuity chart tests, according to a study ...

A smartphone app was found to be useful and reliable by clinicians when testing vision for children during the COVID-19 pandemic. Assessing vision was found to be easy by families and reliable by ...

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 ...

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 ...

Inuit in northern Quebec are now able to take vision tests using the Inuktitut writing system, after two Montreal doctors developed eye exam charts in syllabics. Christian El-Hadad, a McGill ...

Good vision is often a requirement for many professions. In part one of this two-part series on vision, Professor David Thomson looks at vision screening standards and their place in occupational ...