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 ...

Please provide your email address to receive an email when new articles are posted on . An internet-based contrast sensitivity measurement tool can help patients self-monitor vision at home, alerting ...

Please provide your email address to receive an email when new articles are posted on . DENVER – Results with a contrast sensitivity application on the Heru augmented reality headset showed good ...