Duplication for commercial use must be authorized in writing by ADAM Health Solutions. If you notice any results that fall outside these standards, be sure to schedule an eye exam with your Vision Source doctor. Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. This will test your near vision.Ī.D.A.M., Inc. You may also be asked to read letters or numbers from a card held 14 inches (36 centimeters) from your face. If needed, it is repeated while you wear your glasses or contacts. This test is done on each eye, and one at a time. If you are not sure of the letter, you may guess. If you can't make out any of the letters, numbers, or pictures, the examiner will usually hold up some number of fingers and record at how many feet away you can correctly identify how many are being held up. At this testing distance, the size of the letters on one of the smaller lines near the. In the United States, this distance typically is 20 feet in the UK it is 6 metres (therefore 20/20 is equal to 6/6). Numbers, lines, or pictures are used for people who cannot read, especially children. In the Snellen visual acuity system, the top number of the Snellen fraction is the viewing distance between the patient and the eye chart. You will be asked to cover one eye with the palm of your hand, a piece of paper, or a small paddle while you read out loud the smallest line of letters you can see on the chart. "Best corrected," which is with the best possible glasses or contact lens prescriptionįor uncorrected visual acuity, you will be asked to remove your glasses or contact lenses and stand or sit 20 feet (6 meters) from the eye chart."Uncorrected," which is without glasses or contact lenses.This test may be done in a health care provider's office, a school, workplace, or elsewhere.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |