Visual Acuity and the Snellen Chart

This video is about Visual Acuity and the Snellen Chart
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Timestamps
00:31 Setting Up a Snellen Chart
01:02 Patient Instruction and Education
01:28 Demo Visual Acuity Test
01:42: Assigning values and documenting Snellen Chart Results
03:09 What does 20/20 mean? Understanding the numbers of the Snellen Chart
03:32 When to see the doctor
03:38 What age group can I use the Snellen Chart With
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Nurses learn how to assess a patient's ability to read and compare that to a normal average adult. Using the Snellen chart, nurses will position their patients 20 feet away from the chart and instruct them through a variety of tests where both the right and left eyes are assessed separately and then both together to determine the patient's visual acuity.
There are many reasons why a patient will need a visual acuity exam completed. There may be complaints of irritation or signs of infection, injury, or declining function. This is a baseline exam that may result in a referral to an optometrist or ophthalmologist for further assessment.
Understanding how the Snellen chart is graded will help nurses accurately educate and document their findings.
In this video, we discuss how to set up your Snellen chart, patient education, and instruction for administering the exam and assigning a value and documentation.
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