VERIFIED CORRECT ANSWERS LATEST UPDATE
2024/2025 GRADED A+
What is true of a trifocal lens?
a. Trifocal lenses are usually made of glass
b. Has three different lens powers
c. Has three different tints for lenses
d. The middle lens is for reading a book
b. Has three different lens powers
What does a pachymeter measure?
a. Pressure in the eye
b. Thickness of the cornea
c. Refractive power of the eye
d. Curvature of the cornea
b. Thickness of the cornea
What type of contact lens is applied after waking and removed before going to
sleep?
a. Conventional daily wear lenses
b. Extended wear contact lenses
,c. Planned replacement contact lenses
d. Lenses for corneal refractive therapy
a. Conventional daily wear lenses
True or False: The instrument that contains lenses and can be used to determine
a spectacle correction is called a phoropter.
True
An objective measure of the refractive power of the eye is called
a. Retinoscopy
b. Lensometry
c. Pachymetry
d. None of the above
a. Retinoscopy
What does a tonometer measure?
a. Pressure in the eye
b. Moisture in the eye
c. The pupillary distance
d. The distance between the eyes
a. Pressure in the eye
What does the prescription strength of the contact lens determine?
a. Base curve
b. Radius
c. Lens power
d. Diameter
, c. Lens power
True or False: Monovision corrects one eye for distance and the other eye for
near and can be used to correct presbyopia.
a. True
What is corneal edema?
a. When water is retained and swelling occurs in the cornea
b. When too much oxygen is allowed to enter the cornea
c. When not enough water is retained in the cornea
d. None of the above
a. When water is retained and swelling occurs in the cornea
What two instruments are used for taking a patient's blood pressure?
a. Sphygmomanographer and a stethoscope
b. Sphygmomanometer and stethoscope
c. Stethoscope and a watch with a second hand
d. Manual sphygmomanometer and a watch with a second hand
b. Sphygmomanometer and stethoscope
The point on a manometer at which the first clear sound of two consecutive beats
is heard is known as...?
a. Pulse rate
b. Diastolic pressure
c. Venous pressure
d. Systolic pressure
d. Systolic pressure