How can I test my vision at home?
Hold the near vision test card about 14 inches (35 centimeters) from your eyes. Do not bring the card any closer. Read the chart using each eye separately as described above. Record the size of the smallest line you were able to accurately read.
Are all eye exam charts the same?
Eye doctors can use different eye test charts for different patients and situations. The three most common eye charts are: Snellen eye chart.
What chart is used for vision?
The Snellen eye chart is the eye testing chart used by eye care professionals to measure visual acuity, or how well a patient can see without glasses or contacts. Dr. Hermann Snellen developed the eye chart in 1862.
How do I know if I really need glasses?
Other signs and symptoms that may indicate you need glasses include needing brighter light to see or read clearly, seeing halos around light sources (like car headlights and light bulbs), losing your place while reading, and distorted or double vision.
What should my vision be on an eye chart?
Eye charts can be configured in various ways. Generally, if you can read the big “E” at the top of the chart, but none of the letters lower than that, your vision is considered 20/200. 20/200 vision means that you can read a letter at 20 feet that people with “normal” vision could read at 200 feet. This means that your visual acuity is very poor.
What can you do with a family eye chart?
You can use this eye chart to check your entire family’s vision. Remember: This is not a substitute for a complete medical eye exam by a licensed optometrist. But it could help you identify potential vision problems that demand professional attention. Need the JPEG version? Click here.
How to do a home vision test for an adult?
Testing an Adult or Older Child Have the person being tested sit in the chair, 10 feet from the chart. Make sure the chart is level with his or her eyes. Have the person being tested cover one eye. If he or she uses eyeglasses for distance vision, the glasses should be worn during the test.
Where do you put a Snellen eye chart?
Place the chart on a wall or easel 10 feet away. Cover one eye with your hand, a large spoon or some other item that completely blocks the vision of the coveredeye. (Do not apply pressure to the covered eye, as it might affect that eye’s vision when you test it.)