Home vision tests

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Visual acuity test

Overview Risks Results

Home vision tests

• Distance vision test: All letters on the 20/20 line read correctly.
• Near vision test: The ability to read line labeled 20/20 or J-1.
• Amsler grid test: All lines appear straight and unbroken with no distorted or missing areas.

Abnormal results may mean there is a vision problem or eye disease and that you should have a professional eye examination.

Distance vision test: If the 20/20 line is not correctly read, it may be a sign of nearsightedness (myopia), farsightedness (hyperopia), astigmatism, or other eye abnormality.

Near vision test: Not being able to read the small type may be a sign of aging vision (presbyopia ).

Amsler grid test: If the grid appears distorted or broken, there may be a problem with the retina.

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