Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/90

Click to flip

90 Cards in this Set

  • Front
  • Back

What is the ability of the eyes to focus objects from distance to near called?




A) Accommodation


B) Emmetropia


C) Hyperoia


D) Ametropia



A) Accommodation

What is an eye that in which the image is not focused at one point but rather two points?




A) Myopia


B) Binocular Vision


C) Astigmatism


D) Presbyopia

C) Astigmatism

What is with accommodation relaxed and the image in the eye focused before the retina resulting in blurry vision called?




A) Hyperopia


B) Ametropia


C) Presbyopia


D) Myopia


D) Myopia



What is with accommodation relaxed and the image in the eye focused directly on retina called?




A) Emmetropia


B) Hyperopia


C) Ametropia


D) Dilation

A) Emmetropia

What is with accommodation relaxed and the image in the eye focused before the retina resulting in blurry distant vision called?




A) Presbyopia


B) Hyperopia


C) Ametropia


D) Myopia

D) Myopia

What is the loss of ability to see clearly at near called?

Presbyopia



What is the nonspecific term that means the patient has a refractive condition called?

Ametropia
________Is the term for the condition in which an image will focus on the back of the retina when accommodation is relaxed. These patients will not require an corrective prescription lenses.
Emmetropia

A person who collects patient data, administers tests of the patient's visual capabilities, and assists in the office management would be best described as:




A) Office manager


B) Optician


C) Paraoptometric


D) Receptionist

C) Paraoptometric

Light moving through a prism is bent toward the apex




True or False

False



Which of the following lenses has the same power in all areas of the lens and is used to treat myopia or hyperopia?




A) High-Index


B) Spherical


C) CR-39


D) Cylindrical

B) Spherical

Which of the lens materials is the most shatter resistant?




A) Polycarbonate


B) Glass


C) CR-39


D) Trivex

A) Polycarbonate

The area located behind the cornea and in front of the iris




A) Viterous body


B) Anterior chamber


C) Posterior chamber


D) Choroid

B) Anterior chamber



This muscle has direct control over the focusing ability of the eye




A) Optic nerve


B) Ciliary


C) Macula


D) Retina

B) Ciliary

The area of the macula where visual acuity is the sharpest and is used for day time color vision




A) Retina


B) Optic nerve


C) Ciliary


D) Fovea Centralis



Fovea Centralis

The thick jelly like substance that fills the eyeball behind the lens is called the




A) Ciliary Muscle


B) Posterior chamber


C) Vitreous Humor


D) Choroid

C) Vitreous Humor

- ia




A) Different


B) Diseased or abnormal state


C) Inflammation


D) Tumor or swelling




diseased or abnormal state

Peri -




A) Different


B) Iris


C) Against


D) Surrounding


Surrounding




kerat






A) Cornea


B) Diseased or abnormal state


C) Iris


D) Tension or pressure


Cornea




-pathy




A) Different


B) Disease


C) Against


D) Away


disease




papil




A) Different


B) Optic nerve head


C) Against


D) Under, below






optic nerve head




blephar




A) Against


B) Disease


C) within


D) eyelid


eyelid




-osis




A) Different


B) Abnormal condition


C) Against


D) Under, below


Abnormal condition

This hand held device yields a larger image but a smaller field of view




A) Tonometer


B) Perimetry


C) Direct ophthalmoscope


D) Binocular ophthalmoscope

C) Direct ophthalmoscope

This test is used to test the visual fields




A) phoropter


B) microscope


C) OCT


D) perimetry

D) perimetry


The part of the frame that extends from the frame front, back alongside the head and over the ear is:




A) Temple


B) Bridge


C) Hinge


D) Eyewire

A) Temple

The widest horizontal dimension of the lens opening of a frame:




A) Vertex distance


B) Fitting triangle


C) Pantoscopic Angle


D) B measurement

B) Fitting triangle

The largest diameter through the lens is called the:




A) C Dimension


B) Vertex distance


C) Effective diameter


D) High index

C) Effective diameter

A _________lens diverges parallel light




A) Convex +


B) Spherical


C) Apex


D) Concave -

A) Convex +

A lens that displaces light rather than focus




A) Convex +


B) Spherical


C) Apex


D) Concave -

D) Concave -

A lens that has one curve is called:




A) Convex +


B) Spherical


C) Apex


D) Concave -

B) Spherical

The point of a prism is called the:




A) Apex


B) Spherical


C) Convergence


D) Divergence

A) Apex

Once a day




A) PRN


B) Q_D


C) TIB


D) QD

D) QD

A lens used to treat myopia/hyperopia and astigmatism is called:




A) pl-cylinder


B) spherical


C) sph/cylindrical


D) cylindrical

C) sph/cylindrical



A lens where one part has no power and 90 degrees away there is power is called a




A) pl-cylinder


B) spherical


C) sph/cylindrical


D) cylindrical



A) pl-cylinder

The middle value of a lens prescription is called:




A) pl-cylinder


B) spherical


C) sph/cylindrical


D) cylindrical

D) cylindrical
PRN


When necessary



bid

two times a day




tid


three times a day



qid


4 times a day




qhs

at bed time

gtt

drops also gt


The position of the cylinder in the lens is called the




A) Apex


B) Axis


C) Convergence


D) Divergence


Axis

An instrument worn on the examiners head and used to view the back of the eye:




A) Tonometer


B) Topography


C) Slit lamp


D) Binocular Indirect Ophthalmoscope

D) Binocular Indirect Ophthalmoscope

A test that does not require a response from the patient is objective.




True or false

True


A part of the exam that acts as a guide for the tests to be performed:




A) visual fields


B) K readings


C) Case history


D) Snellen


Case history

The term that represents how well the two eyes work together is known as:




A) Binocular vision


B) Optical zone


C) Accommodation


D) Binocular Indirect Ophthalmoscope

A) Binocular vision

This instrument can obtain an estimate of the patients Rx without their response:




A) phoropter


B) Slit lamp


C) Retinoscope


D) Snellen

C) Retinoscope

An instrument that gives the examiner a magnified view of the structures of the front of the eye:
Biomicroscopy or slit lamp
The area in space that is visible to the eye is called __________

Visual fields


What is the primary curve on the backside of the lens called?




A) Base curve radius


B) Axis


C) Convergence


D) Optical zone



A) Base curve radius

Additional curves on the lens that surrounds the optical zone:




A) Base curve radius


B) Overall diameter


C) Peripheral curves


D) Optical zone



C) Peripheral curves

What is the center area of the lens that provides optical correction for the patient's vision






A) Base curve radius


B) Axis


C) Convergence


D) Optical zone



D) Optical zone

What is the measurement from edge to edge of the lens at the widest point called?




A) Overall diameter


B) Base curve radius


C) Bridge


D) Optical zone



A) Overall diameter

This instrument is used for manual refracting




A) tonometer


B) Retinoscope


C) phoropter


D) Snellen

C) phoropter

The muscle that has direct control over the focusing ability of the eye




A) Ciliary


B) Iris


C) Anterior chamber


D) Choroid



A) Ciliary

The choroid consist primarily of blood vessels that nourish the




A) Ciliary


B) Iris


C) Macula


D) Retina

D) Retina

Area of the eye responsible for seeing detail




A) Ciliary


B) Iris


C) Macula


D) Retina

C) Macula

The area behind the cornea and in front of the iris




A) Posterior chamber


B) Scleral


C) Macula


D) Anterior chamber

D) Anterior chamber

The thick jelly like substance that fills the eyeball behind the lens




A) Vitreous humor


B) Hoedeolum


C) Aqueous humor


D) Fovea Centrails

A) Vitreous humor

Each eye has how many muscles to assist in ocular movement?






Six

Instrument used to verify the spectacle prescription -




A) phoropter


B) Lensometer


C) Retinoscope


D) Snellen

B) Lensometer

Causes fragile blood vessels on the retina to leak or break.




A) Macular degeneration


B) Subconjuntival hemorrhage


C) Diabetic retinopathy


D) Floaters

C) Diabetic retinopathy

The retina pulls away from the eyeball






A) Retinal detachment


B) Subconjuntival hemorrhage


C) Diabetic retinopathy


D) Macular degeneration

A) Retinal detachment

The optic nerve is damaged from increased ocular pressure




A) Retinal detachment


B) Glaucoma


C) Diabetic retinopathy


D) Keratoconus

B) Glaucoma

These are caused by mechanical simulation of nerves in the retina




A) Floaters


B) Chalazion


C) Flashes


D) Hordeolum

C) Flashes

Measures the curve of the cornea




A) lenosmeter


B) tonometer


C) keratometer


D) phoropter

C) keratometer

This instrument is used for manual refracting




A) lenosmeter


B) tonometer


C) keratometer


D) phoropter

D) phoropter
Which of the following types of ametropia occurs when an image is focused in front of the retina and usually caused by the eye being too long

Myopia

All are layers of the cornea except:




A) Epithelium


B) Boman's Layer


C) Macula


D) Stroma


E) Descemet's Membrane


F) Endothelium



C) Macula
Also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the eye containing collagen and elastic fiber.
Sclera
The middle, vascular coat of the eye, between the sclera and the retina
choroid
Is the layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.

Retina

______dilate the pupil by temporarily

paralyzing the muscle that constricts the pupil (iris sphinctermuscle). A secondary act of a the drug is preventing accommodation by paralyzing the ciliary muscle

A) Anesthetic drugs

B) Mydriatic drugs


C) Cycloplegic drugs


D) Miotic





C) Cycloplegic drugs

_________drugs stimulate the iris dilator muscle,

causing the pupil to dilate.



A) Anesthetic drugs

B) Mydriatic drugs


C) Cycloplegic drugs


D) Miotic

B) Mydriatic drugs

_____ act by stimulating the sphincter muscle


of the iris, causing constriction of the pupil. Miotics aregenerally used to lower intraocular pressure by improving aqueous humor drainage through the trabecular meshwork.

A) Mydriatic drugs


B) Miotic


C) Anesthetic drugs


D) Cycloplegic drugs

B) Miotic

The ______is a clear cellophane like tissue that lines the inside surface of the eyelids.




A) Bulbar conjunctiva


B) Pulperbral conjunctiva


C) Crystaline lens


D) Ciliary body



B) Pulperbral conjunctiva

The choroid consists primarily of blood vessels that

nourish the:


A. Optic nerve


B. Macula


C. Crystalline lens


D. Retina


D. Retina

The __________________ is the area located inside


the eye, behind the iris, and in front of the lens.


A. Posterior chamber


B. Anterior chamber


C. Vitreous humor


D. Aqueous humor


A. Posterior chamber

The thick jelly-like substance that fills the eyeball


behind the lens is called the:


A. Vitreous humor


B. Aqueous humor


C. Ciliary muscle


D. Hyaloid fossa


A. Vitreous humor

Which of the following is the ability of the


eye to focus objects at varying distances?


A. Accommodation


B. Stereopsis


C. Fusion


D. Presbyopia.


A. Accommodation
The area that is located behind the cornea

and in front of the iris is the:


A. Ciliary body


B. Anterior chamber


C. Posterior chamber


D. Vitreous body


B. Anterior chamber

The area of the retina responsible for


seeing detail is the:


A. Optic nerve


B. Choroid


C. Macula


D. Optic disk


C. Macula

_________is an objective measure of the refractive power of the eye.




A) Keratometry


B) Topography


C) Retinoscopy


D) Visual fields











C) Retinoscopy

Subjective refraction uses the patient’s responses to determine the best correction. This instrument used for refracting is a ________


True or False

True


phoropter.

two basic types of ophthalmoscopes


The direct ophthalmoscope

The binocular indirect


ophthalmoscope





_________is hand-held and yields a larger image, but a smaller field of view.


The direct ophthalmoscope

______________is worn on the examiner’s head, uses a


hand-held lens, and yields a much smaller image and a


much larger field of view.


The binocular indirect


ophthalmoscope



___________is the standard tonometer for accuracy.


The Goldmann tonometer
The test used to measure the visual fields

Perimetry