Photography & Videography 8%

Question 1

____&_____ can be accomplished very efficiently with a smart phone camer.

Answer 1

Ophthalmic photo and videography

Question 2

Smart phone cameras that are used for Ophthalmic photo and videography should have a minimum of _____megapixels

Answer 2

5

Question 3

_____is of the utmost importance and a ____camera is also important with ophthalmic photo and videography

Answer 3

ideal lighting
steady

Question 4

How can you steady your phone camera when using through the slit lamp?

Answer 4

Use an adapter, tripod and have steady hands

Question 5

What are the 3 broad categories of illumination techniques for photo and videography?

Answer 5

Room lights, focused light sources, and the slit beam

Question 6

If you use a focused light source how can it be held?

Answer 6

pt hold it, clip to slit lamp, or have an assistant hold it

Question 7

For optimal results using a focused light source the light should be held in line with the _____

Answer 7

pupillary axis

Question 8

For ____illumination use a narrow slit beam on a low-med intensity setting

Answer 8

slit lamp
(can be used along with transilluminator toward the pupillary axis)

Question 9

When thinking about Illumination techniques in photo and video you can use _____or ____for focused light source

Answer 9

penlight
transilluminator

Question 10

You can get attachments for phone with photo illuminators(blue, LED, and flueorescein for____ and white for ______) and ___lens adapters so that you can change the focal point of the camera.

Answer 10

K
anterior seg
diopter

Question 11

You should consider using an ____light source such as pen light or transilluminator in addition to your smart phone camera illumination because it give you better illumination and more options for illuminating the object of regard.

Answer 11

External

Question 12

When performing slit lamp photography you should use the ____mode

Answer 12

Macro mode (flower symbol)

Question 13

Why should you use the Macro mode when doing slit lamp photography?

Answer 13

Because it allows things to be photographed from very close(2”-4” away), provides greater detail.

Question 14

When performing slit lamp photography have the flash____ and focus through either optical.

Answer 14

off

Question 15

Slit lamp photo: look through ocular using ____viewfinder on camer

Answer 15

LCD

Question 16

Slit lamp photo: How do you center and focus object?

Answer 16

By moving slit lamp in and out

Question 17

Slit lamp photo: Illumination should be ______

Answer 17

Flat and even

Question 18

When doing slit lamp photo take _____first then zoom in to photo pathology to show greater detail

Answer 18

orientation

Question 19

Slit lamp photo: use ___to emphasize areas of elevation and depression.

Answer 19

slit beam

Question 20

Why should you have an assistant with a transilluminator?

Answer 20

To provide different lighting techniques

Question 21

When photographing pathology your first photograph should be an _________

Answer 21

orientation photo

Question 22

What is an orientation photo?

Answer 22

low magnification, flat even illumination showing the pathology as well as the structures around the pathology

Question 23

What is the purpose of an orientation photo?

Answer 23

it orients the viewer to where the pathology is in relation to other structures

Question 24

After taking the orientation photo you then zoom in and take photo of_____to show it in greater detail.

Answer 24

the pathology

Question 25

What are the different techniques of slit lamp illumination?

Answer 25

Direct focal illumination Tangential Illumination Iris transillumination Retroillumination Sclerotic Scatter

Question 26

______is illumination technique that uses a wide or narrow slit beam. This can showcase optical sectioning such as showing the layers of the cornea. Can also use with pinpointed slit beam to show cells and flare in the in the AC (Tendal's phenomenon)

Answer 26

Direct focal illumination

Question 27

The simplest method of illumination and is usually the primary method used by physicians to evaluate the eye using the biomicroscope

Answer 27

Direct focal illumination

Question 28

______illumination is where you apply a moderate slit beam directed to strike the object of regard without illuminating the surfaces in front of it.

Answer 28

Tangential illumination

Question 29

Illumination that enhances surface texture and creates distinct highlights and shadows even on tissue that normally appears very smooth.

Answer 29

tangential

Question 30

____is similar to retroillumination except it is done with only a very slightly dilated pupil.

Answer 30

Iris transillumination

Question 31

______used to illuminate defects in the pigment layer of the iris.

Answer 31

Iris transillumination

Question 32

In_____A full circle bean is directed through the pupil and should be about the size of the pupil but not large enough to strike any edges of the iris.

Answer 32

Iris transillumination

Question 33

In iris illumination the full circle beam is focused at the iris plane and defects in the iris are visible by transmission of light that is reflected from the _____

Answer 33

fundus

Question 34

______from the iris is where we have reflective light which can indirectly illuminate subtle abnormalities in structures anterior to them.

Answer 34

Retroillumination

Question 35

____is visible against the bright background created by the reflecting surface.

Answer 35

Pathology

Question 36

____is an excellent technique to detect subtle K pathology that could be difficult to view otherwise.

Answer 36

Retroilluminaiton (from iris)

Question 37

______is useful for providing a dark background against which you can view changes in the K

Answer 37

Sclerotic Scatter

Question 38

To do Sclerotic scatter method use a _____slit beam. Aim it at the ____ at about a ___degrees.

Answer 38

broad limbus 45

Question 39

Scleratic scatter causes a phenomena called______

Answer 39

Total internal reflection

Question 40

Total internal reflection is the same optical phenomenon that ____use

Answer 40

gonio lenses

Question 41

Pathology of the cornea is visible by the_________towards the microscope

Answer 41

scattering of light

Question 42

Examination of the AC for cells or flare must be performed prior to _____

Answer 42

dilation and tension by applanation

Question 43

Why must flare and cells be checked before dilation?

Answer 43

Because dilation increases the cells and fluorescein increases the flare

Question 44

To perform examination of AC for cells or flare.....

Answer 44

perform prior to dilation and applanation Use high mag and highest illumination that the pt can tolerate Use a short beam

Question 45

Phenomena Where you shine one part of the beam onto to the pts lens and the other part onto their K, illuminating cells and flare in the AC

Answer 45

Tyndall's phenomenon

Question 46

Depression is evident by the light bending ____the beam

Answer 46

away from

Question 47

Elevation is evident by light bending ____the beam

Answer 47

toward

Question 48

Many digital fundus camera have _____ and _____ capabilities

Answer 48

anterior segment and external imaging

Question 49

Digital fundus camera a switch on them that allows you to change the ____ so that closer structures can be imaged.

Answer 49

focal point

Question 50

Fundus photography requires a ______flash

Answer 50

bright

Question 51

Fundus photo light source comes from _____(no other camera works this way)

Answer 51

within camera

Question 52

The darker the pigment that ___the flash needed for fundus photo

Answer 52

brighter

Question 53

Fundus Photo: you'll need to _____ the pupil or if you are using a non-myd camera you may be able to image through a smaller pupil.

Answer 53

dilate

Question 54

___cameras have special features to allow you to create quality images even through smaller pupil

Answer 54

non-myd

Question 55

To take stereo photos take 2 photos of the same object of regard from _____ then software will make them into a 3D image.

Answer 55

2 slightly different angles

Question 56

With fundus photography you must correct for high ____errors. Adjust the setting with the knob that has a plus or minus to indicate correction for the refractive error (astig not a concern)

Answer 56

spherical

Question 57

The astigmatic correction device on some cameras are used for correcting ____astig that can occur when imaging the far peripheral retina.

Answer 57

induced (not refractive astig)