Slit Lamp Assessment

Question 1

What is the purpose for taking the slit beam out of click stop on the biomicroscope?

Answer 1

Separates the focal points

Question 2

Which of the following magnification(s) is/are used for viewing the structures of the eye?

Answer 2

Medium magnification

Question 3

Which of the following can be utilized in order to view blood vessels and contact lenses?

Answer 3

A red free filter

Question 4

In which illumination is the light beam adjusted to be narrowest and high, with the beam and the microscope focused on the same area of interest?

Answer 4

Optical section

Question 5

Which of the following illuminations uses the mirror-like reflections from smooth surfaces such as the corneal epithelium and endothelium?

Answer 5

Specular reflection

Question 6

What power magnification is used in conjunction with sclerotic scatter illumination?

Answer 6

10 X

Question 7

Which illumination comes from behind the structure to be visualized, making abnormalities clear in the area being viewed?

Answer 7

Retrolillumination

Question 8

What is another name for broad beam illumination?

Answer 8

Diffuse illumination

Question 9

Which illumination is the most useful for the detection of corneal staining?

Answer 9

Parallelepiped illumination

Question 10

Which of the following illuminations most easily detects raised surface abnormalities of the iris?

Answer 10

Narrow slit illumination

Question 11

What is the minimum amount of time that should transpire if a patient has a normal tear break up time?

Answer 11

10 to 15 seconds

Question 12

What does Shaffer grading measure?

Answer 12

Anterior chamber angle depth

Question 13

When examining the anterior chamber for flare, which illumination should be used?

Answer 13

Conical beam

Question 14

Which of the following dyes does not produce stinging of the eye and stains mucus and dead corneal cells?

Answer 14

Listhamine Green

Question 15

Which of the following filters can be used in conjunction with a cobalt blue filter and fluorescein to enhance the pattern behind a gas permeable contact lens?

Answer 15

Yellow Wratten

Question 16

Which of the following is used to prevent the passing of light from a specific angle and are used for tear film evaluation and in some cataract assessments?

Answer 16

Polarizing filter

Question 17

Using an optical section or parallelepiped, how would the stroma appear?

Answer 17

Grey and granular

Question 18

Diffuse corneal scarring is referred to as which of the following?

Answer 18

Nebulae

Question 19

If a patient has keratitis or anterior uveitis, infection by-products or keratic precipitates appear as grayish-white adherences on which of the following layers of the cornea?

Answer 19

Endothelium

Question 20

Which slit lamp illumination is the only illumination which allows assessment of the endothelium?

Answer 20

Specular Reflection