Table of Contents
- Overview
- Results
- Risks
- Prevention
- Images
Visual acuity test - home; Amsler grid test
Normal Values
- Amsler grid test: All lines appear straight and unbroken with no distorted or missing areas
- Distance vision test: All letters on the 20/20 line read correctly
- Near vision test: You are able to read the line labeled 20/20 or J-1
What abnormal results mean
Abnormal results may mean you have a vision problem or eye disease and you should have a professional eye examination.
- Amsler grid test: If the grid appears distorted or broken, there may be a problem with the
retina . - Distance vision test: If you do not read the 20/20 line correctly, it may be a sign of
nearsightedness (myopia),farsightedness (hyperopia),astigmatism , or another eye abnormality. - Near vision test: Not being able to read the small type may be a sign of aging vision (
presbyopia ).
Images
Visual acuity test
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Home vision tests Risks
Review Date: 02/10/2011
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of
Physician Assistant Studies, University of Washington, School of
Medicine; and Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision
Institute, La Jolla, California. Also reviewed by David Zieve, MD,
MHA, Medical Director, A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
