QUESTIONS AND CORRECT
ANSWERS
The optic nerve is damaged from increased intraocular pressure by what condition?
ANSW✅✅Glaucoma
An instrument that measures the curvature of the cornea is called a/an ______.
ANSW✅✅Keratometer or opthalmometer
Visual field testing determines _________. ANSW✅✅The area of space visible to the eye
What is an eye in which the image is not focused at one point but rather at two points called?
ANSW✅✅Astigmatism
Inflammation of the eyelids is called ______. ANSW✅✅Blepharitis
Peri- ANSW✅✅Surrounding
A picture representation of the pressure points between the eye glasses frame and the patients
head is the _____. ANSW✅✅Fitting triangle
Which of the following tilts results when a pair of spectacles is tilted so that the bottom of the lens is
closer to the face than the top? ANSW✅✅Pantoscope
The largest diameter through the lens is called the ______. ANSW✅✅Effective diameter
A lens that converges parallel light is called ______. ANSW✅✅Convex
The unit of measure for ophtalmic lenses is _____. ANSW✅✅Diopter
,A ____ lens diverges parallel light. ANSW✅✅Concave
A lens that displaces light rather than focuses light is called a/an ______. ANSW✅✅Prism
A lens that has one curve is called a/an ____. ANSW✅✅Spherical
The point of a prism is called the _____. ANSW✅✅Apex
A lens where one part has no power and 90 degrees away there is power is called a/an _____.
ANSW✅✅Pl-cylinder
A lens used to treat myopia/hyperopia and astigmatism is called a/an _____.
ANSW✅✅Sph/cylindrical
The middle value of a lens prescription is called the ____. ANSW✅✅Cylindrical
The position of the cylinder in the lens is called the _____. ANSW✅✅Axis
What two instruments are used to test patient blood pressure? ANSW✅✅Sphygmomanometer
and stethoscope
Which drug stimulates the iris dilator muscle, causing the pupil to dilate? ANSW✅✅Mydriatic
What is Aqueous Humor? ANSW✅✅Provides nutrients for the lens and posterior cornea
What is using certified electronic health records to improve quality and efficiency of health care and
maintain privacy of the patients health information called? ANSW✅✅Meaningful use
What is the fluid pressure maintained in the eye by the aqueous humor called?
ANSW✅✅Intraocular pressure
What does a pachymeter measure? ANSW✅✅Thickness of the cornea
, What uses the patients responses to determine the best lens correction? ANSW✅✅Subjective
refraction
What is the measure of the finest detail the eye may detect? ANSW✅✅Visual acuity
What is the Retroscopic Angle or tilt? ANSW✅✅The name given to the angle the temple makes
with the frame front when the bottom eye wire may be positioned away from the check
What is a mid-index lens material that is thinner than glass or CR-39, free from distortion and
aberration and able to be used as a safety lens? ANSW✅✅Trivex
What type of contact lens is applied after waking and removed before going to sleep?
ANSW✅✅Conventional daily wear lenses
Which type of lens will have the same power in all areas of the lens? ANSW✅✅Spherical
The width of the frame should be approximately equal to _____? ANSW✅✅The width of the
patient's face
The point on a manometer at which the first clear sound of two consecutive beats is heard is known
as _____? ANSW✅✅Systolic pressure
What is corneal edema? ANSW✅✅When water is retained and swelling occurs in the cornea
What is the benefit of biomicroscopy? ANSW✅✅Gives the examiner a hightly magnified view of
the structure of the eye, lids, and lashes
The part of the frame that surrounds the lens and holds it in place is called the _____.
ANSW✅✅Eyewire
What is a laser based, non contact, technique that is capable of obtaining high resolution retina
images? ANSW✅✅Optical Coherence Tomography (OCT)