Screening for Visual Acuity
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| Measuring the clients ability to focus their vision is called | Accommodation or Visual Acuity
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| Visual acuity is commonly performed using a: | Snellen Eye Chart
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| The Snellen 'E' eye chart is used to test; | The vision of children and non-reading adults
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| Snellen eye charts use block letters of | Decreasing size or familiar shapes of decresing size
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| Along each line of Snellen eye chart block let set there is; | A fraction 20/20
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| The Snellen fraction represents; | The clients visual acuity
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| 20/20 on a Snellen eye chart means | At 20ft you can see clearly what normal eyes see at 20ft
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| 20/30 on a Snellen eye chart means | At 20 ft you can see what normal eyes see clearly at 30
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| Measuring visual Acuity; The client should be Standing; | 20ft from the Snellen chart
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| Measuring visual Acuity; The MA should hold a piece of paper; | Under the line of block letters to be read
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| Measuring visual Acuity; Ask the client to use both eyes and; | Say the block letters starting at the top of the chart from 'L-->R' until a mistake is made
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| Measuring visual Acuity; You should document the smallest line of letters; | The client is able to read or identify
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| Measuring visual Acuity; Ask the client to cover one eye with an occluder and; | Say the clock letters starting at the top of the chart from 'R-->L' until a mistake is made
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| Measuring visual Acuity; Ask the client to cover the opposit eye with an occluder and | Say the block letters starting at the top of the chart from 'L-->R' until a mistake is made
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| Measuring visual Acuity; Should be performed with and without | The client wearing their glasses or contacts
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| Measuring visual Acuity; Document the fraction associated with each letter by using the abbreviations; | OU - Both eye
OD - Right eye
OS - Left eye
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Created by:
adrouillard
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