Undilated and Tonometry (M1)

Question 1

What are the reasons that views may be limited during undilated funduscopy?

Answer 1

1. small pupils
2. lens opalescence/brunescence
3. glare

Question 2

What are the advantages of a handheld slit lamp?

Answer 2

1. portable
2. maneuverable
3. binocularity
4. high mag with directional beam

Question 3

What is the purpose of Perkins Applanation Tonometry? 1. What is the equipment needed? 2

Answer 3

1. measure IOP via applanation w/o use of slit lamp

2. tonometer and fluress (or proparacaine w/ NaFl strip)

Question 4

What do thick mires on Perkins Applanation Tonometry indicate?

Answer 4

overestimation of IOP

Question 5

When can the tono-pen definitely not be used?

Answer 5

latex allergies

Question 6

What is the equipment needed for tono-pen?

Answer 6

1. tono-pen with fresh latex cover

2. anesthetic

Question 7

How many readings does the tono-pen take?

Answer 7

four each eye

Question 8

What is the desired reliability measurement for the tono-pen?

Answer 8

5%

Question 9

What is the device used to measure the IOP via induction based rebound without the use of a slit lamp or anesthetic?

Answer 9

iCare

Question 10

What are the indications for the use of an iCare?

Answer 10

1. physically constrained patients
2. medical missions
3. topical anesthetic contraindicated

Question 11

What is the indication on the iCare device that lets you know it is ready to measure?

Answer 11

display reads 00

Question 12

How far should the probe tip be from the cornea prior to measurements?

Answer 12

4-8mm

Question 13

How many measurements does the iCare take?

Answer 13

six

Question 14

What is displayed when the values need to be remeasured?

Answer 14

P- , P` or blinking P

Question 15

What is the equipment needed for pachymetry?

Answer 15

1. pachymeter

2. anesthetic