Chicago-based Opternative has launched an online refractive eye exam service that helps consumers get prescriptions for glasses or contacts. According to the company, the offering is registered with ...

In early August, the FDA issued a Class 2 Device Recall for Visibly’s Online Refraction Vision Test, stating that the company did not receive authorization from the FDA to market the product.

It just got easier to test your vision without a trip to the optometrist. A new service called Opternative aims to provide accurate eye exams online from the comfort of your home. The Chicago-based ...

Please provide your email address to receive an email when new articles are posted on . In a prospective, school-based cohort study, Collins and colleagues analyzed data from 321 youths in second and ...

— a provider of online refractive eye exams — announced this morning it has closed a $6 million Series A round of financing led by Jump Capital. The company will use the funding to expand its service ...

Our vision can slowly degrade without us even noticing it. Eye exams are the only way to correct vision issues and diagnose eye-related diseases. Taylor Leamey wrote about all things wellness for CNET ...

An autorefractor helps detect the lens power required to accurately focus light on your retina. It takes a few seconds and requires you to put your chin on the chin rest and look towards the picture ...

The Opternative exam is a bit different than sitting down in an eye doctor's office and squinting to read a chart of letters. First of all, the online test requires you to use both your smartphone, ...

Opternative, a Chicago company that developed an online test for determining eyeglass prescriptions, has filed a lawsuit against eyewear retailer Warby Parker in the U.S. District Court in New York.

Please provide your email address to receive an email when new articles are posted on . KOLOA, Hawaii — Surgeons seeking to correct refractive error after toric IOL ...

FORT LEE, Va. (June 16, 2016) -- The Department of Defense has approved the Warfighter Refractive Eye Surgery Program in response to the operational environments in which service members are often ...

To demonstrate a quick way of calculating the optical difference between two refractions using vector analysis, and to express this as a score for examination purposes. An existing formula is applied, ...