Saga Of Dilated Fundus Exam

Question 1

Disadvantage of OCT

Answer 1

Limited scanning area

Question 2

Instruments to look at the retina

Answer 2

Direct ophthalmoscope
BIO
Pan optic

Question 3

Best thing about direct ophthalmoscope

Answer 3

The image is upright

Question 4

Mag of DO

Answer 4

14x

Question 5

Mag of BIO

Answer 5

3x

Question 6

Field diameter of DO

Answer 6

2DD

Question 7

Field diameter of BIO

Answer 7

9DD

Question 8

Ratio of area of field for DO

Answer 8

1

Question 9

Ratio of area of field with BIO

Answer 9

20

Question 10

Illumination of DO

Answer 10

Limited

Question 11

Illumination of BIO

Answer 11

High

Question 12

What do you need B scan for

Answer 12

Seeing in the eye when there is something obstructing the view
-cataracts

Question 13

Why do you Laser

Answer 13

To kill the tissue. Want to stop the spread of a disease

Question 14

Instrument arsenal importance in dx

Answer 14

Will help you see things like neovasculariztion in patients that dont appear to have any with the naked eye

Question 15

Boat shaped hemorrhage

Answer 15

Preretinal hemorrhage

Question 16

Conditions that would prevent you from seeing into the retina

Answer 16

Asteroid hyalosis
Cataract
Vitreous bleed

Question 17

Usually unilateral, calcium type deposits in the vitreous that can prevent you from seeing into the retina. 10% cases are bilateral

Answer 17

Asteroid hyalosis

Question 18

Do we refer out for asteroid hylaosis

Answer 18

No

Question 19

How do you tell its a vitreous hemorrhage

Answer 19

It appears really close to you

You cant see in and they cant see out

Question 20

Treatment for horseshoe tear

Answer 20

Lasers

Question 21

Why is it important to treat a tear?

Answer 21

Because it could pull the whole macula off

Question 22

Treatment for lattice-RT

Answer 22

Laser

Question 23

Does an RD prevent you from doing a dilated fundus?

Answer 23

No