Optic Disk Exam

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Optic Disk Exam by Mind Map: Optic Disk Exam

1. To expand a branch, click on the round ending with a dot in it. To collapse, click on the minus on the round white ending of the branch.

2. Try to answer the questions before you open the branch

3. What characteristics of the optic disk must you assess when you examine it?

3.1. Size & Shape

3.2. Color

3.3. Contour

3.4. Blood Vessels

4. What is important to do when assessing color of the disk?

4.1. it’s very difficult to comment on the absolute color of the disc. It is most important to compare one to the other

4.2. Look for sector changes in color

4.3. Compare both optic disks

5. What examples can you give of pathology that changes normal disk contour?

5.1. Disk drussen

5.2. Disk swelling

5.3. Glaucoma

6. What abnormal changes should you look for, when assessing disk vessels?

6.1. Tortuositiy

6.2. Number

6.3. Width

7. How would you explain that in two different patients one could have a very small cup and the other a very big one, and both be normal

7.1. If you are born with a small hole in the back of your eye then you will have a very small cup because those millions axons will fill up the hole. If you're born with a bigger hole in the back of the eye like this person those same million axons don’t quite fill it up and there is a central depression of the cup.