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 ...

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 ...

The way social media is changing healthcare is well-established: If users (who are essentially prospective patients) can acquire needed medical attention without the hassle, time constraints, and ...

“Do I need glasses?” is a question you usually have to get an in-person eye test to answer. But today, online eye exam provider Opternative is coming out of stealth to get you a doctor’s prescription ...

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, ...

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 ...

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 ...