While the traditional subjective manifest refraction test remains the most common method for diagnosing refractive errors, self-eye exams are gaining popularity.

If you need glasses or contacts, the doctor will perform a refraction test to determine the correct prescription lens. This is when you’ll be asked to compare the clarity and effectiveness of ...

Key Concepts Light Refraction Reflection Index of refraction Introduction If you pour water into a clear glass, what color is it? It's clear, right? But what happens if you try to look through it ...

How Does The Test Work? According to Dr. Courey, the goal of a refraction test is to achieve the sharpest and most comfortable vision correction possible.

The refraction exam, the test for your eyeglass prescription, will be doable at home using either your smartphone, laptop or possibly both.