ABO Exam Solved Questions With
Revised Correct Detailed Answers
1. We really see with our.. - ANSWER Brain
2. A perfect human eye is said to be - ANSWER Emmetropic
3. Everyone will suffer from ____ if they live long enough - ANSWER
Presbyopia
4. The fibrous tunic consist of the.. - ANSWER Sclera & Cornea
5. Aqueous humor is produced by the - ANSWER cillilary body
6. The index of refraction of the cornea is - ANSWER 1.37
7. When light entering the eye without a corrective lenses comes to a focus
partially in front of the retina and partially in back of the retina the patient
refractive error is - ANSWER Mixed Astigmasm
8. When light entering the eye without corrective lenses come to focus in front
of the retina the patients refractive error is - ANSWER Myopia
,9. The patient normally has no need for any visual correction for distance but
does require prescription lenses to see while at near the patients refractive error
is known as.. *far sighted* - ANSWER Hyperopia (Passed retina)
10. On RX with the OD minus & the OS plus is an obvious case of.. (+-) - ANSWER
Antimetropia
11. Accommodation is defined as.. - ANSWER The act of the crystalline lens
changing shape to focus on objects
12. The speed of light travels is about - ANSWER 186,000 miles per second
13. The wavelength of 700 nm is seen by the brain as what color.. - ANSWER
Red
14. In a minus powered lens light rays ____ and are said to come to a focal point
____ the lens - ANSWER Diverge , infront of
15. Light rays pass through a lens and converge at a point of 50 cm behind the
lens what is the power? - ANSWER +2.00 D *Converge + Diverge - * FL M/D
16. One prism diopter can be described as deviating a ray of light____ at a
distance ____ - ANSWER 1cm , 1meter
17. Three prism diopter base in on the right eye can also be described as____ -
ANSWER 3.00 @ 000 degrees
, 18. The index of a refraction is lowest in which of the following? - ANSWER
Air
19. When the direction of light changes as it passes from one medium to another
it is called? - ANSWER Refraction
20. A +3 diopter lens has the following prismatic affect in the OC is shifted 8 mm
below the pupil center? - ANSWER 2.4 Base Down *Watch wording, your OC
shifter NOT your patients pupil*
Concave lens is a ____ lens - ANSWER Minus
Convex lens is a _____ lens - ANSWER Plus
Where is the base curve ? - ANSWER Front side of lens
Where is the ocular curve ? - ANSWER Back side of lens
What is a plano-convex lens? - ANSWER One side is plano , the other is plus
One of the ways of identifying a lens with minus power is to look for? - ANSWER
objects seen through the lens seem to move in the same direction as the lens
moving
Revised Correct Detailed Answers
1. We really see with our.. - ANSWER Brain
2. A perfect human eye is said to be - ANSWER Emmetropic
3. Everyone will suffer from ____ if they live long enough - ANSWER
Presbyopia
4. The fibrous tunic consist of the.. - ANSWER Sclera & Cornea
5. Aqueous humor is produced by the - ANSWER cillilary body
6. The index of refraction of the cornea is - ANSWER 1.37
7. When light entering the eye without a corrective lenses comes to a focus
partially in front of the retina and partially in back of the retina the patient
refractive error is - ANSWER Mixed Astigmasm
8. When light entering the eye without corrective lenses come to focus in front
of the retina the patients refractive error is - ANSWER Myopia
,9. The patient normally has no need for any visual correction for distance but
does require prescription lenses to see while at near the patients refractive error
is known as.. *far sighted* - ANSWER Hyperopia (Passed retina)
10. On RX with the OD minus & the OS plus is an obvious case of.. (+-) - ANSWER
Antimetropia
11. Accommodation is defined as.. - ANSWER The act of the crystalline lens
changing shape to focus on objects
12. The speed of light travels is about - ANSWER 186,000 miles per second
13. The wavelength of 700 nm is seen by the brain as what color.. - ANSWER
Red
14. In a minus powered lens light rays ____ and are said to come to a focal point
____ the lens - ANSWER Diverge , infront of
15. Light rays pass through a lens and converge at a point of 50 cm behind the
lens what is the power? - ANSWER +2.00 D *Converge + Diverge - * FL M/D
16. One prism diopter can be described as deviating a ray of light____ at a
distance ____ - ANSWER 1cm , 1meter
17. Three prism diopter base in on the right eye can also be described as____ -
ANSWER 3.00 @ 000 degrees
, 18. The index of a refraction is lowest in which of the following? - ANSWER
Air
19. When the direction of light changes as it passes from one medium to another
it is called? - ANSWER Refraction
20. A +3 diopter lens has the following prismatic affect in the OC is shifted 8 mm
below the pupil center? - ANSWER 2.4 Base Down *Watch wording, your OC
shifter NOT your patients pupil*
Concave lens is a ____ lens - ANSWER Minus
Convex lens is a _____ lens - ANSWER Plus
Where is the base curve ? - ANSWER Front side of lens
Where is the ocular curve ? - ANSWER Back side of lens
What is a plano-convex lens? - ANSWER One side is plano , the other is plus
One of the ways of identifying a lens with minus power is to look for? - ANSWER
objects seen through the lens seem to move in the same direction as the lens
moving
