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 ...

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 ...

A refraction test is usually given as part of a routine eye examination. It may also be called a vision test. This test tells your eye doctor exactly what prescription you need in your glasses or ...

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 ...

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.

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, ...

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 ...

Whether you deal with conditions like dry, itchy eyes, blurred vision or cataracts -- or enjoy perfect 20/20 vision -- regular eye exams are essential for protecting your sight and maintaining eye ...

The distribution of human refractive errors displays features that are not commonly seen in other biological variables. Compared with the more typical Gaussian distribution, adult refraction within a ...