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