Optometry instruments Exam Questions And
Answers
Snellen Chart: - - -
correct answer ✅The Snellen chart is a standard tool used to
evaluate visual acuity the ability to distinguish fine details. It
consists of rows of letters or numbers of decreasing size, starting
with the largest at the top and gradually smaller with each row.
Retinoscope: - - -
correct answer ✅The retinoscope is a device used to determine
the refractive error of the eye which is the amount of correction
needed to focus light accurately on the retina. It projects a light
beam into the eye and measures how the light reflects off the
retina.
Phoropter: - - -
correct answer ✅The phoropter is a machine that contains a series
of lenses used to determine the specific refractive error of the eye.
It allows the optometrist to quickly and accurately measure the
patient's refractive power in both distance and near vision.
Autorefractor: - - -
correct answer ✅The autorefractor is an automated instrument
that measures refractive error using a computerized system. It
Answers
Snellen Chart: - - -
correct answer ✅The Snellen chart is a standard tool used to
evaluate visual acuity the ability to distinguish fine details. It
consists of rows of letters or numbers of decreasing size, starting
with the largest at the top and gradually smaller with each row.
Retinoscope: - - -
correct answer ✅The retinoscope is a device used to determine
the refractive error of the eye which is the amount of correction
needed to focus light accurately on the retina. It projects a light
beam into the eye and measures how the light reflects off the
retina.
Phoropter: - - -
correct answer ✅The phoropter is a machine that contains a series
of lenses used to determine the specific refractive error of the eye.
It allows the optometrist to quickly and accurately measure the
patient's refractive power in both distance and near vision.
Autorefractor: - - -
correct answer ✅The autorefractor is an automated instrument
that measures refractive error using a computerized system. It
