An autorefractor is a computerized instrument that measures how light focuses in your eyes to estimate your eyeglass or contact lens prescription. This quick, non-invasive test provides your eye doctor with valuable information about your vision and serves as an important starting point for determining your most accurate prescription.
During the test, you'll look at a target inside the instrument while it measures how your eyes focus light. In just a few seconds, the autorefractor estimates your refractive error, including:
The test is painless, requires no eye drops, and is suitable for patients of all ages.
Autorefractor testing helps your eye doctor gather objective measurements of your vision before refining your prescription during the refraction portion of your comprehensive eye exam. While the autorefractor provides an excellent baseline, your final prescription is determined by combining these measurements with your responses during the exam to ensure the clearest, most comfortable vision.
Autorefractor testing is one of the many advanced technologies we use to evaluate your vision and eye health. Combined with a comprehensive eye examination, it helps ensure you receive the most accurate prescription for your glasses or contact lenses while supporting your long-term visual health.