Difficulty in seeing fine detail, either close-up or from a distance.
Signs and tests:
Astigmatism is easily diagnosed by a standard ophthalmic exam with refraction test. Special tests are not usually required. Children or others who cannot respond to questions can have their refractive error measured by a test using reflected light called retinoscopy.
Review Date: 7/24/2004
Reviewed By: Edward B. Feinberg, MD, MPH, Professor and Chair, Department of Ophthalmology, Boston University School of Medicine, Boston, MA. Review provided by VeriMed Healthcare Network.
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