Ophthalmology- Snellen Chart Flashcards
1
Q
How far should the patient be from the chart?
A
6 meters
2
Q
If the patient uses …. glasses they should keep them on for the exam
A
long distance glasses (so they are short sighted)
3
Q
Instructions to the patient
A
Cover one eye and read down the chart until you can’t make out the other letters
4
Q
How is visual acuity recorded
A
chart distance (numerator) over the lowest line reading (denominator) e.g. 6/6
5
Q
What can be used to assess if there is a refractive element to the patients poor visual acuity?
A
Pinhole
