Visual acuity test - home; Amsler grid test

The tests have no risks.

If you have any of the following symptoms, get a professional eye examination:

• Difficulty focusing on near objects
• Double vision
• Eye pain
• Feeling like there is a "skin" or "film" over the eye or eyes
• Frequent changing of glasses
• Light flashes, dark spots, or ghost-like images
• Objects or faces looking blurred or foggy
• Rainbow-colored rings around lights
• Straight lines look wavy
• Trouble seeing at night, trouble adjusting to darkened rooms

If children have any of the following symptoms, they should also have a professional eye examination:

• Crossed eyes
• Difficulty in school
• Excessive blinking
• Getting very close to an object (for example, the television) in order to see it
• Head tilting
• Squinting
• Watery eyes

Images

Visual acuity test

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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)