Visual acuity test
Definition
The visual acuity test is used to determine the smallest letters a person can read on a standardized chart (Snellen chart) or a card held 14 - 20 feet away.
Visual acuity test
Alternate Names : Eye test - acuity, Vision test - acuity
Definition ...
The visual acuity test is a routine part of an eye examination or general physical examination, particularly if there is a change in vision or a problem with vision. In children, the test is performed to screen for any visual problems.
Visual acuity test. Acuity refers to the sharpness of your vision or how clearly you see an object. In this test, your eye doctor checks to see how well you read letters from across the room.
visual acuity test - the common eye chart test (see right), which measures vision ability at various distances.
ophthalmoscopy - a physician performs a detailed examination of the retina using a special magnifying glass.
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Visual Acuity Test - This is your average eye test that checks the accuracy of your vision and will probably require you to read a few letters or numbers varying in size.
Visual acuity test. A person reads an eye chart to measure how well he or she sees at various distances.
Visual field test. Ophthalmologists use this test to measure side, or peripheral, vision.
Tonometry test.
Visual acuity test, Antioxidant, Antenatal surgery, Data Source, Dementia, Lacunar, Dose Response Relationship, Radiation, Ending, Presynaptic Nerve, Epilepsies, Reading Reflex, Facial Paralyses, Herpetic, Fluoroimmunoassay, Gastroenteritis Virus, ...
Visual acuity test - home; Amsler grid test
How the test is performed
There are three vision tests that can be done at home: Amsler grid, distance vision, and near vision testing.
Visual acuity test
Reviewed last on: 7/28/2008
Manju Subramanian, MD, Assistant Professor in Ophthalmology, Vitreoretinal Disease and Surgery, Boston University Eye Associates, Boston, MA. Review provided by VeriMed Healthcare Network.
visual acuity tests
Specific tests and charts may be used to measure both near and distant vision. In the preschooler, these charts may consist of pictures or stories instead of letters of the alphabet.
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Visual Acuity Testing
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Visual acuity test. This uses a standard eye chart with letters of various sizes to test how well you see at various distances.
A visual acuity test checks for how well you can see. The intraocular pressure (pressure inside the eye) must be checked.
A special microscope, called a slit lamp, is used to look inside the structures of the eye.
Snellen visual acuity test
Yearly
For everyone ≥ 65: I recommendation by USPSTF ...
perform a visual acuity test (the common eye chart test), which measures how well your child can see at various distances
dilate your child’s pupils with eye drops - this allows us examine the back of the eye ...
Tests: Visual acuity testing will be done to determine the sharpness and discrimination of the individual's vision.
The visual field test generally is performed after visual acuity testing, but before examination by the doctor.
Next, the doctor will test your central vision with a visual acuity test. During this test, you cover one eye and read letters on a wall chart 20 ft (6.1 m) away.
A visual acuity test is used to evaluate macular vision by determining the patient's vision from a 20' (6-m) distance.
The Logarithm of minimum angle of resolution (logMAR) is a visual acuity test in which individuals cover one eye before reading from charts containing the letters S,D,K.H,N,O,C,V,R and Z.
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Your doctor can diagnose cataracts by widening (dilating) your pupil with medication and examining your eye. You also will have a visual acuity test, which uses an eye chart to check the effect of the cataract on your vision.
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MedlinePlus Encyclopedia: Visual Acuity Test ...
Visual acuity test: Your eye examiner will use a chart to test how well you can see at different distances. This test may be performed when you are getting new glasses or contact lenses.
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This explains why an ophthalmologist often misses the diagnosis with a young patient, as the child will perform well on the visual acuity test and his or her retinas appear normal under direct examination.
 See also: Symptom, Surgery, Ophthalmology, Glaucoma, Eye care
  
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