LOG 2: Assessment

Question 1

Identify the slit lamp illumination from the image.

Answer 1

Sclerotic scatter

Question 2

When the keratometer mire images appear as they do in the figure below what is the next step?

Answer 2

Lock the drum into place and rotate the drum until the plus signs are tip to tip.

Question 3

Which characteristic or characteristics provide useful information when determining the type of contact lens to fit?

Answer 3

Previous contact lens specifications

Medications

Schimer’s test

Question 4

Which of the following questions is a direct question?

Answer 4

Do you experience light sensitivity with your lenses?
Any question that only requires a yes or no answer.

Question 5

Open questions DO NOT include which of the following aspects:

Answer 5

Are NOT focused and specific

Question 6

What is the term or definition for a standard level of microorganisms kill?

Answer 6

Disinfection

Question 7

What agent does a preservative contain to prevent new contaminants from growing in closed containers?

Answer 7

A bactericidal agent

Question 8

Tears contain antibacterial agents.

Answer 8

TRUE

Question 9

What percentage of open or used contact lens solutions are found to be contaminated?

Answer 9

45%

Question 10

What is the primary method used to prevent the spread of infection when seeing contact lens patients?

Answer 10

Handwashing

Question 11

What is the form of illumination used when the slit beam source is decentered from the aiming line?

Answer 11

Indirect illumination

Question 12

Diffuse illumination is generally used with a:

Answer 12

wide slit beam and low magnification

Question 13

Sclerotic scatter is used to detect:

Answer 13

the transparency of the cornea or contact lens

Question 14

What parts of the ocular anatomy should be observed during a pre-fit slit lamp examination?

Answer 14

Cornea, Lids, Conjunctiva, Tear film

Question 15

Which dye(s) is used to stain mucus and dead cells with no slit lamp filter?

Answer 15

Listhamine green, Rose Bengal

Question 16

The BUT test is used for what purpose?

Answer 16

To measure tear film quality and stability.

Question 17

How should you adjust the eyepiece of the keratometer without stimulating accommodation?

Answer 17

Turn the eyepiece counter clockwise as far as possible then while looking through the eyepiece at a white back ground turn the eyepiece clockwise until the cross is sharply focused.

Question 18

What is another name for the keratometer?

Answer 18

Ophthalmometer

Question 19

What type of astigmatism would your patient have if the vertical drum reading from the keratometer is 44.00 D and the horizontal reading is 46.00 D?

Answer 19

Against the rule astigmatism

Question 20

What power of lens would you place over the aperture of the keratometer in order to extend the upper reading to 61.00 D?

Answer 20

+1.25 D