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 ...

Need new glasses? Online eye exams and vision tests offer a convenient way to get a glasses prescription. Doctors explain whether these services are worth trying.

For many of us, eye exams are a must every year, but now some patients are skipping the trip to the doctor and simply logging online instead.

First, the caveats An online eye exam is not an acceptable substitute for regular eye exams. An online eye exam will not catch issues such as cataracts, glaucoma or retinal detachment.

Visual acuity is the clarity of vision when measured at a distance of 20 feet. Learn more about what it means, how it's tested, and more.

Opternative Online Eye Exam Service Sparks Criticism from Optometrists A Chicago-based start-up is raising eyebrows among eye care professionals by saying consumers can skip the eye doctor with ...