ABO EXAM PRE-TEST A SERIES OF QUESTIONS WITH
MULTIPLE CHOICES |VERIFIED QUESTIONS AND
CORRECT ANSWERS (NEW)
Change a bifocal Rx to a single vision Rx - ANSWER: Add the bifocal power to the
sphere powers.
OD: -0.50
OS: -0.25-0.25x172
Add: +1.75
Turns into-
OD: +1.25
OS: +1.50-0.25x172
Anisometropia - ANSWER: There is a difference of 3 diopters between both eyes; when
the vision of the eyes differs by a large margin.
Antimetropia - ANSWER: Refers to Rx's that differ in sign.
Ex. OD: +0.25
OS: -0.75
Simple Hyperopia - ANSWER: The Rx will be a + sphere
Simple Myopia - ANSWER: The Rx will be - sphere
Marcus Gunn - ANSWER: Tests to see if both pupils constrict when a light is shined in
one eye. Tests for abnormalties in pupillary reaction.
optotypes - ANSWER: letters on the Snellen Chart
Who is said to be the pioneer lens designer (1268) - ANSWER: Roger Bacon
1
,Who is generally credited with the invention of spectacles? - ANSWER: Salvino d'Armati
of Florence, Italy (1285)
When were minus or concave lenses invented? - ANSWER: 16th century for correction of
myopic eyes (nearsightedness)
When were toric lenses invented and by whom? - ANSWER: 19th century by Suscipi
Who is credited with making the first bifocals? - ANSWER: Benjamin Franklin (1784)
Who aroused the interest of physicians concerning the exam of the eye and prescribing
spectale lenses? - ANSWER: F.C. Donders (1800)
Ocularist - ANSWER: a paramedical technician who designs, fabricates, hand paints, and
fits ocular protheses for those who have lost one or both eyes
photophobia - ANSWER: fear of light
iritis - ANSWER: an inflammation of the iris.
contraocular - ANSWER: pertaining to the opposite eye
enophthalmos - ANSWER: recession of the eyeball into the orbit
heterotropia - ANSWER: eyes do not maintain parallelism, but take a permanent position
of convergence or divergence
uvetis - ANSWER: inflammation involving the uveal tract
hyphema - ANSWER: blood in the anterior chamber of the eye
2
, binocular - ANSWER: pertaining to both eyes, the use of both eyes simutaneously
anophthalmos - ANSWER: abscence of an eyeball (newborn)
aspheric - ANSWER: a curve of multiple radii
achromat - ANSWER: a totally color blind individual, a lens free from chromatic
abberation
hemophthalmia - ANSWER: blood (hemmorrhage) within the eye
aniridia - ANSWER: complete or partial absence of the iris
endophthalmitis - ANSWER: inflammation of the tissues of the internal structures of the
eye
ansiotropia - ANSWER: unequal turning of the eyes
diplopia - ANSWER: double vision
exophthalmos - ANSWER: abnormal protrusion of the eyeball outward and forward
hemianopsia - ANSWER: blindness in half the visual field of one or both eyes
opthalmoscope - ANSWER: an instrument for viewing the fundus and interior of the eye
supraduction - ANSWER: an upward rotation of the eye
retinoscope - ANSWER: an instrument for viewing or shinning light on the retina to
determine the refractive state of the eye
3
MULTIPLE CHOICES |VERIFIED QUESTIONS AND
CORRECT ANSWERS (NEW)
Change a bifocal Rx to a single vision Rx - ANSWER: Add the bifocal power to the
sphere powers.
OD: -0.50
OS: -0.25-0.25x172
Add: +1.75
Turns into-
OD: +1.25
OS: +1.50-0.25x172
Anisometropia - ANSWER: There is a difference of 3 diopters between both eyes; when
the vision of the eyes differs by a large margin.
Antimetropia - ANSWER: Refers to Rx's that differ in sign.
Ex. OD: +0.25
OS: -0.75
Simple Hyperopia - ANSWER: The Rx will be a + sphere
Simple Myopia - ANSWER: The Rx will be - sphere
Marcus Gunn - ANSWER: Tests to see if both pupils constrict when a light is shined in
one eye. Tests for abnormalties in pupillary reaction.
optotypes - ANSWER: letters on the Snellen Chart
Who is said to be the pioneer lens designer (1268) - ANSWER: Roger Bacon
1
,Who is generally credited with the invention of spectacles? - ANSWER: Salvino d'Armati
of Florence, Italy (1285)
When were minus or concave lenses invented? - ANSWER: 16th century for correction of
myopic eyes (nearsightedness)
When were toric lenses invented and by whom? - ANSWER: 19th century by Suscipi
Who is credited with making the first bifocals? - ANSWER: Benjamin Franklin (1784)
Who aroused the interest of physicians concerning the exam of the eye and prescribing
spectale lenses? - ANSWER: F.C. Donders (1800)
Ocularist - ANSWER: a paramedical technician who designs, fabricates, hand paints, and
fits ocular protheses for those who have lost one or both eyes
photophobia - ANSWER: fear of light
iritis - ANSWER: an inflammation of the iris.
contraocular - ANSWER: pertaining to the opposite eye
enophthalmos - ANSWER: recession of the eyeball into the orbit
heterotropia - ANSWER: eyes do not maintain parallelism, but take a permanent position
of convergence or divergence
uvetis - ANSWER: inflammation involving the uveal tract
hyphema - ANSWER: blood in the anterior chamber of the eye
2
, binocular - ANSWER: pertaining to both eyes, the use of both eyes simutaneously
anophthalmos - ANSWER: abscence of an eyeball (newborn)
aspheric - ANSWER: a curve of multiple radii
achromat - ANSWER: a totally color blind individual, a lens free from chromatic
abberation
hemophthalmia - ANSWER: blood (hemmorrhage) within the eye
aniridia - ANSWER: complete or partial absence of the iris
endophthalmitis - ANSWER: inflammation of the tissues of the internal structures of the
eye
ansiotropia - ANSWER: unequal turning of the eyes
diplopia - ANSWER: double vision
exophthalmos - ANSWER: abnormal protrusion of the eyeball outward and forward
hemianopsia - ANSWER: blindness in half the visual field of one or both eyes
opthalmoscope - ANSWER: an instrument for viewing the fundus and interior of the eye
supraduction - ANSWER: an upward rotation of the eye
retinoscope - ANSWER: an instrument for viewing or shinning light on the retina to
determine the refractive state of the eye
3
