How To Tell If You Have Astigmatism

Astigmatism is a visual defect within the eye thats caused by the cornea being a less than perfect shape.
How to tell if you have astigmatism. The box Cyl will show the power you need to correct astigmatism if you have one. Check out our video blog to hear Dr. How Do You Know if You have Astigmatism.
Astigmatism leads to distorted or blurry vision at far and near distances. If you examine the image focused by an astigmatic eye on its retina you may notice many superposed off-focus images on a well-focused image. How to identify the type of astigmatism in a given prescription.
You cant tell on your own. This number is called your cylindrical correction. Youll need to see a doctor but learn how an online test can be the first step toward a diagnosis.
Theyll guide you through a series of tests using different apparatus. Astigmatism is caused by an irregularly-shaped cornea. Fortunately you can improve the condition with corrective eyewear including contact lenses.
A small amount of astigmatism can be found in most people who dont even have enough to need glasses. This will also give your optometrist the chance to monitor your eyes as they change over time. For example when looking at a stop light the actual light appears fuzzy and the light seems to reflect off it in multiple directions.
The only way you will know is to wait for the exam results. This is a condition that makes the eyes cornea oval instead of round. Axis tells the manufacturer of the glasses or contact lenses where the astigmatism is and where the power should be to correct it.