Question 1

If a patient comes in for a keratometry reading, a gonioscopy, and instillation of eye drops, which should be performed first?

Accepted Answer

A) Keratometry reading 
B) Gonioscopy 
C) Instillation of eye drops 
D) Order does not matter 
A) Keratometry reading 
B) Gonioscopy 
C) Instillation of eye drops 
D) Order does not matter A

Question 2

The normal range of intraocular pressure is between

Accepted Answer

A) 10 and 100 mmHg. 
B) 10 and 15 mmHg. 
C) 10 and 22 mmHg. 
D) 50 and 60 mmHg. 
A) 10 and 100 mmHg. 
B) 10 and 15 mmHg. 
C) 10 and 22 mmHg. 
D) 50 and 60 mmHg. C

Question 3

What is the focal length of a 4.00 D lens?

Accepted Answer

A) 0)33 m 
B) 0)5 m 
C) 1)0 m 
D) 0)25 m 
A) 0)33 m 
B) 0)5 m 
C) 1)0 m 
D) 0)25 m D

Question 4

The least accurate way to attain the intraocular pressure is through

Accepted Answer

A) Tono-Pen. 
B) Goldman applanation tonometer. 
C) noncontact tonometer. 
D) Schiøtz tonometer. 
A) Tono-Pen. 
B) Goldman applanation tonometer. 
C) noncontact tonometer. 
D) Schiøtz tonometer.

Question 5

How does the flow of aqueous humor begin?

Accepted Answer

A) By entering the anterior chamber 
B) By entering the posterior chamber via the secretion of the ciliary body 
C) By flowing through the pupil 
D) By leaving the anterior chamber via the trabecular meshwork 
A) By entering the anterior chamber 
B) By entering the posterior chamber via the secretion of the ciliary body 
C) By flowing through the pupil 
D) By leaving the anterior chamber via the trabecular meshwork

Question 6

The sum of the steps performed in arriving at a decision as to what lens or lenses will most benefit the patient is known as

Accepted Answer

A) ophthalmology. 
B) refraction. 
C) refractometry. 
D) visual acuity. 
A) ophthalmology. 
B) refraction. 
C) refractometry. 
D) visual acuity.

Question 7

A toric contact lens is analogous to

Accepted Answer

A) a prism lens. 
B) a cylinder lens. 
C) a plus lens. 
D) a minus lens. 
A) a prism lens. 
B) a cylinder lens. 
C) a plus lens. 
D) a minus lens.

Question 8

The fastest method of attaining a tonometry reading is

Accepted Answer

A) Tono-Pen. 
B) Goldman applanation tonometer. 
C) noncontact tonometer. 
D) Schiøtz tonometer. 
A) Tono-Pen. 
B) Goldman applanation tonometer. 
C) noncontact tonometer. 
D) Schiøtz tonometer.

Question 9

During diastole, intraocular pressure _______ as blood flows out of the globe.

Accepted Answer

A) increases 
B) decreases 
C) maintains the same 
D) hits zero 
A) increases 
B) decreases 
C) maintains the same 
D) hits zero

Question 10

When examining a patient for objective refraction, it is best for the pupil to be

Accepted Answer

A) dilated. 
B) constricted. 
C) myopic. 
D) hyperopic. 
A) dilated. 
B) constricted. 
C) myopic. 
D) hyperopic.

Question 11

All of the following are instruments for attaining an intraocular pressure reading except

Accepted Answer

A) Schiøtz tonometer. 
B) Tono-Pen. 
C) noncontact tonometer. 
D) Campbell tonometer. 
A) Schiøtz tonometer. 
B) Tono-Pen. 
C) noncontact tonometer. 
D) Campbell tonometer.

Question 12

The eye is a compound lens system composed of

Accepted Answer

A) the lens and the sclera. 
B) the cornea and the iris. 
C) the lens and the cornea. 
D) the cornea and the retina. 
A) the lens and the sclera. 
B) the cornea and the iris. 
C) the lens and the cornea. 
D) the cornea and the retina.

Question 13

Which of the following keratometry readings is considered shorthand and thus omits the axis of the flatter meridian?

Accepted Answer

A) OD 42.25 x 175 / 43.50 x 85 
B) OD 42.25 / 43.50 x 85 
C) OD 42.25 x 175 / 43.50 
D) OD 175 / 43.50 x 85 
A) OD 42.25 x 175 / 43.50 x 85 
B) OD 42.25 / 43.50 x 85 
C) OD 42.25 x 175 / 43.50 
D) OD 175 / 43.50 x 85

Question 14

Which of the following increases intraocular pressure?

Accepted Answer

A) Thick cornea 
B) Glaucoma 
C) Steroid use 
D) All of the above 
A) Thick cornea 
B) Glaucoma 
C) Steroid use 
D) All of the above

Question 15

All of the following are variables that can result in incorrectly high intraocular pressure readings except

Accepted Answer

A) patient holding breath. 
B) patient straining. 
C) patient is myopic. 
D) patient squeezing eyelids. 
A) patient holding breath. 
B) patient straining. 
C) patient is myopic. 
D) patient squeezing eyelids.

Question 16

If a patient has had refractive surgery, a direct keratometry reading will be

Accepted Answer

A) accurate. 
B) inaccurate. 
C) troublesome to attain. 
D) very low. 
A) accurate. 
B) inaccurate. 
C) troublesome to attain. 
D) very low.

Question 17

At what time of the day is the intraocular pressure highest?

Accepted Answer

A) Morning 
B) Midday 
C) Afternoon 
D) Night 
A) Morning 
B) Midday 
C) Afternoon 
D) Night

Question 18

What kind of astigmatism is commonly the result of trauma, inflammation, scar tissue, or developmental anomalies affecting the cornea?

Accepted Answer

A) Irregular astigmatism 
B) Asymmetrical astigmatism 
C) Oblique astigmatism 
D) None of the above 
A) Irregular astigmatism 
B) Asymmetrical astigmatism 
C) Oblique astigmatism 
D) None of the above

Question 19

A patient with conjunctivitis comes in the clinic for contact tonometry. What should you do?

Accepted Answer

A) Proceed as normal 
B) Use another method or reschedule the patient for a future date 
C) Let the physician know and then proceed as normal 
D) Guess the IOP 
A) Proceed as normal 
B) Use another method or reschedule the patient for a future date 
C) Let the physician know and then proceed as normal 
D) Guess the IOP

Question 20

The function of glasses is to

Accepted Answer

A) improve visual performance. 
B) relieve the symptoms of refractive errors. 
C) relieve the symptoms of muscular imbalance in the eyes. 
D) all of the above. 
A) improve visual performance. 
B) relieve the symptoms of refractive errors. 
C) relieve the symptoms of muscular imbalance in the eyes. 
D) all of the above.

If a patient comes in for a keratometry reading, a gonioscopy, and instillation of eye drops, which should be performed first?

The normal range of intraocular pressure is between

What is the focal length of a 4.00 D lens?

The least accurate way to attain the intraocular pressure is through

How does the flow of aqueous humor begin?

The sum of the steps performed in arriving at a decision as to what lens or lenses will most benefit the patient is known as

A toric contact lens is analogous to

The fastest method of attaining a tonometry reading is

During diastole, intraocular pressure _______ as blood flows out of the globe.

When examining a patient for objective refraction, it is best for the pupil to be

All of the following are instruments for attaining an intraocular pressure reading except

The eye is a compound lens system composed of

Which of the following keratometry readings is considered shorthand and thus omits the axis of the flatter meridian?

Which of the following increases intraocular pressure?

All of the following are variables that can result in incorrectly high intraocular pressure readings except

If a patient has had refractive surgery, a direct keratometry reading will be

At what time of the day is the intraocular pressure highest?

What kind of astigmatism is commonly the result of trauma, inflammation, scar tissue, or developmental anomalies affecting the cornea?

A patient with conjunctivitis comes in the clinic for contact tonometry. What should you do?

The function of glasses is to

Assisting in Surgery

Contact Lenses

Ethical and Legal Issues

History Taking

Lensometry and Spectacle Skills

Medical Equipment

Ocular Motility and Visual Fields

Ophthalmic Imaging

Patient Services and Education

Pharmacology

Pupillary Assessment

Safety Precautions

Supplemental Skills

Visual Assessment

Opthalmological Coding Certification

Filters

Exam 5: Keratometry Tonometry and Refractometry

If a patient comes in for a keratometry reading, a gonioscopy, and instillation of eye drops, which should be performed first?

The normal range of intraocular pressure is between

What is the focal length of a 4.00 D lens?

The least accurate way to attain the intraocular pressure is through

How does the flow of aqueous humor begin?

The sum of the steps performed in arriving at a decision as to what lens or lenses will most benefit the patient is known as

A toric contact lens is analogous to

The fastest method of attaining a tonometry reading is

During diastole, intraocular pressure _______ as blood flows out of the globe.

When examining a patient for objective refraction, it is best for the pupil to be

All of the following are instruments for attaining an intraocular pressure reading except

The eye is a compound lens system composed of

Which of the following keratometry readings is considered shorthand and thus omits the axis of the flatter meridian?

Which of the following increases intraocular pressure?

All of the following are variables that can result in incorrectly high intraocular pressure readings except

If a patient has had refractive surgery, a direct keratometry reading will be

At what time of the day is the intraocular pressure highest?

What kind of astigmatism is commonly the result of trauma, inflammation, scar tissue, or developmental anomalies affecting the cornea?

A patient with conjunctivitis comes in the clinic for contact tonometry. What should you do?

The function of glasses is to

Assisting in Surgery

Contact Lenses

Ethical and Legal Issues

History Taking

Lensometry and Spectacle Skills

Medical Equipment

Ocular Motility and Visual Fields

Ophthalmic Imaging

Patient Services and Education

Pharmacology

Pupillary Assessment

Safety Precautions

Supplemental Skills

Visual Assessment

Opthalmological Coding Certification

Filters