Question 1

What type of lenses can be used to correct astigmatism?

Accepted Answer

A) Prism lenses 
B) Cylinder lenses 
C) Plus lenses 
D) Minus lenses 
A) Prism lenses 
B) Cylinder lenses 
C) Plus lenses 
D) Minus lenses

Question 2

The Goldman Applanation Tonometer measures what?

Accepted Answer

A) Intraocular pressure 
B) Corneal thickness 
C) Axial length 
D) Visual acuity 
A) Intraocular pressure 
B) Corneal thickness 
C) Axial length 
D) Visual acuity

Question 3

Cycloplegic drops paralyze the eye's

Accepted Answer

A) accommodative ability. 
B) focalizing ability. 
C) binocular ability. 
D) movement. 
A) accommodative ability. 
B) focalizing ability. 
C) binocular ability. 
D) movement.

Question 4

If the eyeball is too long for the normal reflective power of the lens and the cornea, what condition does the patient have?

Accepted Answer

A) Index myopia 
B) Axial myopia 
C) Curvature myopia 
D) Hyperopia 
A) Index myopia 
B) Axial myopia 
C) Curvature myopia 
D) Hyperopia

Question 5

The inability to focus due to loss of lens elasticity is called

Accepted Answer

A) astigmatism. 
B) aphakia. 
C) presbyopia. 
D) hyperopia. 
A) astigmatism. 
B) aphakia. 
C) presbyopia. 
D) hyperopia.

Question 6

The tonometer tip can be disinfected by

Accepted Answer

A) soaking in 3% hydrogen peroxide for 10 minutes. 
B) wiping it off with warm water and soap. 
C) wiping it with alcohol for 10 seconds. 
D) A and C. 
A) soaking in 3% hydrogen peroxide for 10 minutes. 
B) wiping it off with warm water and soap. 
C) wiping it with alcohol for 10 seconds. 
D) A and C.

Question 7

Conventionally, the first number in a written keratometry reading is the lowest. What does it correspond to?

Accepted Answer

A) The axis of the flatter meridian 
B) The total refracting power 
C) The flattest corneal meridian 
D) The steepest corneal meridian 
A) The axis of the flatter meridian 
B) The total refracting power 
C) The flattest corneal meridian 
D) The steepest corneal meridian

Question 8

"Against the rule"refers to the corneal astigmatism when

Accepted Answer

A) the horizontal meridian is flatter than the vertical meridian. 
B) the horizontal meridian is steeper than the vertical meridian. 
C) the corneal astigmatism from the eye differs from that of the refractive cylinder of the prescription. 
D) none of the above. 
A) the horizontal meridian is flatter than the vertical meridian. 
B) the horizontal meridian is steeper than the vertical meridian. 
C) the corneal astigmatism from the eye differs from that of the refractive cylinder of the prescription. 
D) none of the above.

Question 9

Anticholinergics do what in patients with narrow-angle glaucoma?

Accepted Answer

A) Increase intraocular pressure 
B) Decrease intraocular pressure 
C) Dilate pupil 
D) Constrict pupil 
A) Increase intraocular pressure 
B) Decrease intraocular pressure 
C) Dilate pupil 
D) Constrict pupil

Question 10

At the commencement of examination, if the keratometer mires look blurry or doubled to the examiner, what should be done?

Accepted Answer

A) The focusing knob should be adjusted 
B) The eyepiece should be adjusted 
C) The joystick should be used to move the barrel 
D) A and C 
A) The focusing knob should be adjusted 
B) The eyepiece should be adjusted 
C) The joystick should be used to move the barrel 
D) A and C

Question 11

What is the radius of the corneal curvature useful for?

Accepted Answer

A) Determining the power of a spectacle lens 
B) Determining the power of an intraocular replacement lens 
C) Fitting contact lenses 
D) Adjusting the keratometer's mires 
A) Determining the power of a spectacle lens 
B) Determining the power of an intraocular replacement lens 
C) Fitting contact lenses 
D) Adjusting the keratometer's mires

Question 12

Where are the aqueous convection currents the warmest?

Accepted Answer

A) Posterior chamber 
B) Anterior portion of the anterior chamber 
C) Peripheral anterior chamber 
D) Deep anterior chamber 
A) Posterior chamber 
B) Anterior portion of the anterior chamber 
C) Peripheral anterior chamber 
D) Deep anterior chamber

What type of lenses can be used to correct astigmatism?

The Goldman Applanation Tonometer measures what?

Cycloplegic drops paralyze the eye's

If the eyeball is too long for the normal reflective power of the lens and the cornea, what condition does the patient have?

The inability to focus due to loss of lens elasticity is called

The tonometer tip can be disinfected by

Conventionally, the first number in a written keratometry reading is the lowest. What does it correspond to?

"Against the rule"refers to the corneal astigmatism when

Anticholinergics do what in patients with narrow-angle glaucoma?

At the commencement of examination, if the keratometer mires look blurry or doubled to the examiner, what should be done?

What is the radius of the corneal curvature useful for?

Where are the aqueous convection currents the warmest?

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

What type of lenses can be used to correct astigmatism?

The Goldman Applanation Tonometer measures what?

Cycloplegic drops paralyze the eye's

If the eyeball is too long for the normal reflective power of the lens and the cornea, what condition does the patient have?

The inability to focus due to loss of lens elasticity is called

The tonometer tip can be disinfected by

Conventionally, the first number in a written keratometry reading is the lowest. What does it correspond to?

"Against the rule"refers to the corneal astigmatism when

Anticholinergics do what in patients with narrow-angle glaucoma?

At the commencement of examination, if the keratometer mires look blurry or doubled to the examiner, what should be done?

What is the radius of the corneal curvature useful for?

Where are the aqueous convection currents the warmest?

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