Optometry Practice 2

Question 1

An examination of the back part of the eye, which includes the retina, optic disc, choroid, and blood vessels.

Answer 1

Ophthalmoscopy

Question 2

Another term for ophthalmoscopy.

Answer 2

Fundoscopy, Funduscopy

Question 3

The direct ophthalmoscope can magnify upto about how much?

Answer 3

15x

Question 4

In the direct ophthalmoscope, the slit is used for what?

Answer 4

For gauging convexity or concavity of a retinal lesion

Question 5

Give 1 ophthalmic drug we use as optometrists to dilate the eyes.

Answer 5

Tropicamide or Phenylephrine

Question 6

Medical term for the dilation of the pupils.

Answer 6

Mydriasis

Question 7

What is the normal cup/disc ratio.

Answer 7

1:3

Question 8

When checking the right eye using the indirect ophthalmoscope, where will you find the optic disc?

Answer 8

Temporal side

Question 9

When checking for the macula using the direct ophthalmoscope, where will you tell your patient to look?

Answer 9

look at the light

Question 10

The lens used for indirect ophthalmocope.

Answer 10

condensing lens

Question 11

If the patient has cataracts, which type of ophthalmoscope will you use to see the fundus better?

Answer 11

indirect ophthalmoscope

Question 12

A technique to obtain an objective measurement of the refractive error of a patient’s eyes.

Answer 12

Retinoscopy

Question 13

What type of drugs are used in wet retinoscopy?

Answer 13

cycloplegic drugs

Question 14

What are the two main factors affecting the movement of the reflex?

Answer 14

EOR of the patient and the working distance

Question 15

When the reflex is neutral during retinoscopy, what lens will you add?

Answer 15

There is no need to add any lenses.

Question 16

When using the Welch Allyn ophthalmoscope, what will you use to get a concave effect? Sleeve up or sleeve down?

Answer 16

Sleeve up

Question 17

If your working distance in retinoscopy is at 20inches, what motion will you see inside the patient’s eye if the refractive error is +1.00Dsph?

Answer 17

with motion

Question 18

What will be the static retinoscopy gross finding if the refractive error is +1.00Dsph with a working distance of 20inches?

Answer 18

+3.00Dsph

Question 19

If your working distance during static reti is at 20inches, what will be the refractive error of the patient if the motion is against movement?

Answer 19

Myopia

Question 20

If your working distance during static reti is at 20inches and you see no motion, what will be the Net finding?

Answer 20

-2.00Dsph

Question 21

How will you convert a cross cylinder into a sphero cynlinder?

Answer 21

Copy-Subtract-Copy

Question 22

How will you transpose a plus cylinder into a minus cylinder?

Answer 22

Add-Reverse-Rotate

Question 23

When you ask the patient to look at a near target, what do you call this type of retinoscopy?

Answer 23

Dynamic

Question 24

If the patient has astigmatism, what reflex will you see?

Answer 24

Scissors movement, skew reflex

Question 25

Convert -1.50Dsph = -0.50Dcyl x 90 into plus cylinder form.

Answer 25

-2.00Dsph = +0.50Dcyl x 180

Question 26

The keratometer is used to measure which part of the eye?

Answer 26

central anterior corneal surface

Question 27

The keratometer is used to measure how much of the corneal surface?

Answer 27

about 3mm of the central cornea

Question 28

What will you see inside the keratometer if the patient has dry eyes?

Answer 28

broken circles

Question 29

Which part of the keratometer will you adjust to fuse the minus signs?

Answer 29

vertical drum

Question 30

How will you convert the radius in diopters?

Answer 30

(0.3375 / D) x 1000

Question 31

How will you get the the corneal astigmatism using the keratometer?

Answer 31

Flat reading minus steep reading

Question 32

What is the physiological astigmatism?

Answer 32

-0.50cyl x 90

Question 33

A plus cylinder ATR axis is along what meridian?

Answer 33

horizontal meridian

Question 34

Cornea is a __________ refracting surface. Concave or convex?

Answer 34

convex

Question 35

When the principal meridians are not perpendicular to each other, this is what type of astigmatism?

Answer 35

Irregular

Question 36

The test used to measure the pressure inside the eye.

Answer 36

Tonometry

Question 37

Increased intraocular pressure without other symptoms of glaucoma.

Answer 37

Ocular hypertension

Question 38

In this type of tonometer, the applanating force is a column of air which is emitted with gradually increasing intensity.

Answer 38

Air-puff Tonometer

Question 39

This type of tonometer uses a split-image prism such that the image of the tear meniscus is divided into a superior and inferior arc.

Answer 39

Goldmann Applanation Tonometer

Question 40

What is the normal IOP?

Answer 40

10-20mmHg

Question 41

This type of slit lamp technique utilizes the reflection of light off of the back of the eye to back lighting structures.

Answer 41

retro-illumination

Question 42

This dye is placed onto the outer surface of the eye for corneal staining.

Answer 42

Fluoresceine dye

Question 43

True or false. We can use the fluorescein dye to check the fitting of a soft contact lens.

Answer 43

False. The fluoresceine dye will stain the soft contact lens.

Question 44

Which technique will you perform to check for the endothelium?

Answer 44

Specular reflection

Question 45

This technique is particularly suitable for the detection of opacities of the cornea.

Answer 45

Sclerotic Scatter

Question 46

Is a technique used to determine the size of the anterior chamber angle of the eye.

Answer 46

Van Herrick

Question 47

This slit lamp auxillary lens is used during slit lamp direct ophthalmoscopy. This provides a stereoscopic view of the retina.

Answer 47

Hruby Lens

Question 48

This technique provides an overall view of the external eye and its appendages.

Answer 48

Diffuse illumination

Question 49

This technique allows examination of the iris appearance and condition by extreme oblique illumination with the observation system directly in front of the eye being examined.

Answer 49

Tangential illumination

Question 50

This filter is used to illuminate the eye following the application of the fluorescein dye.

Answer 50

Cobalt