Quiz
Assessment of Vision Lecture 3 Astigmatic Refraction
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Fragen in diesem Quiz (10)
1The [blank_start]circle[blank_end] of [blank_start]least[blank_end] [blank_start]confusion[blank_end] is the relative retinal position where focal lines on two axes at 90 degrees to each other have the smallest variation.
- Acircle
- Bleast
- Cconfusion
2Fan and Block is more accurate than Jackson Crossed Cylinder
- ATrue
- BFalse
3For every two steps on the phoropter of negative cylinder, you must balance it out with:
- AOne step of negative cylinder in the other meridian.
- BOne step of positive sphere
- COne step of negative sphere
- DTwo steps of positive sphere
4If the handle of the Jackson crossed cylinder is held horizontally, which direction are the axes at?

- A45/135
- B90/180
5For greater visual acuity, you want the patient to have a _________ interval of Sturm
- ALarge
- BSmall
6When determining the axis of the cylinder, the patient will prefer the view with minus cyl acis closest to their minus cyl axis.
- ARichtig
- BFalsch
7Checking either side of our suspected lens/axis in clinical practice is called:
- AFogging
- BDobbing
- CBracing
- DBracketing
8To get an estimate of the patient's Rx, you would consider:
- AK readings
- BFan
- COphthalmoscopy
- DTheir previous Rx
- EAutorefractor
- FRetinoscopy
9You can never mix Fan and Jackson Crossed cyl procedures
- ARichtig
- BFalsch
10On the clock face, the patient says 4 o'clock and 10 o'clock look clearest. Their axis is approximately:
- A60 degrees
- B90 degrees
- C120 degrees
- D150 degrees
- E30 degrees
Informationen
- Beschreibung
- A Quick 10-Question Quiz on the process of determining astigmatic refraction error in clinical practicet.
- Autor
- Johnny Van Ling
- Sprache
- English
- Aufrufe
- 19
- Schlagwörter
- Bewertung
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