Mad Skillz Pt II Flashcards
Tests for distance visual acuity
-Tumbling Es
-Landolt broken rings
-Snellen charts
-Allen pictures
-Lea symbols And numbers
-Auto refractor
Tests for near visual acuity
Near point cards
-Metric or Jager notation
-Distance equivalent does not indicate a patient’s distance vision
Purpose of pinhole test
To assess if decreased acuity is due to refractive or medical issue
-If vision improves with pinhole it is a refractive error
-If vision does not improve it could be medical
What is noxious light
A very bright light shined directly into the eyes
Entrance tests for infants and young children
-Fix and follow
-Central study and maintained
Low vision tests starting from not bad to almost blind
-Move patient closer to chart
-Counting fingers
-Hand motion
-Light perception with projection
-Just light perception
Visual fields tests
-Confrontation
-Amsler grid
Extraocular motility and balance tests
-Cover test
-Broad H (Range of motion)
Stereopsis tests
-Stereo fly
-Randot
Confrontation visual field test
-Patient sits directly across from you about 60 to 80 cm away
-Patient covers left eye with occluder
-Have patient look at your left eye and close your right eye
-Hold your fist in one of the quadrants halfway between the two of you where you can see your fingers
-Open your hand to show 1,2 or 4 fingers And ask how many they see
-Repeat for all quadrants and the other Eye

Recording confrontation visual fields
-Note which eye and record full or where it’s restricted eg. “OS Restricted temporarily, OD full”
Steps to Amsler grid test
-Make sure patient is wearing near vision correction
-Hold grid at reading distance (about a foot)
-Have patient cover one eye
-Instruct to focus on the dot and notice any differences in the lines
-Ask patient to mark problem areas on the grid with a pencil
Purpose for visual acuities testing
-Detection
-Recognition
-Resolution
What does 20/40 vision mean
Top: testing distance in feet
Bottom: How far away normal people can see the same thing
What is one second of arc
One degree
Split into 60 minutes
Each minute split into 60 seconds
