NBEO Detailed Exam Study
Questions with 100% Correct
Answers | Latest Edition
1. Horner's patient: dilation or no dilation with apraclonidine 1% - ANSWER
dilation
2. horner's patient: dilation or no dilation with cocaine 10% - ANSWER no
dilation
3. A patient is using a standard magnifier of +16D with a +2.00 add. If the
distance separating the two lenses is 25cm, what is the equivalent power of
this combination?
A) 10 D
B) 18 D
C) 26 D
D) 22 D - ANSWER A) 10 D
4. A 2.5x Galilean telescope has a -25D ocular lens. When focused for infinity,
what is the length of the telescope?
A) 10 cm
B) 6 cm
C) 14 cm
D) 4 cm
E) 5 cm - ANSWER B) 6 cm
,5. The lymphatic system serves many important roles in the human body. The
lateral portion of the eyelid lymphatics drain into which of the following
structures?
A) The pre-auricular lymph node
B) The puncta
C) The conjunctiva
D) The submandibular lymph node - ANSWER A) The pre-auricular
lymph node
6. Tear volume in a normal, healthy, young adult measures approximately
between which of the following values?
A) 13.0-16.0 microliters
B) 17.0-20.0 microliters
C) 2.0-5.0 microliters
D) 6.0-8.0 microliters
E) 9.0-12.0 microliters - ANSWER D) 6.0-8.0 microliters
7. Ptosis can be caused by dysfunction or damage to which of the following
muscles?
A) Pars ciliaris (Riolan's muscle)
B) Superior tarsal muscle (muscle of Muller)
C) Inferior rectus
D) Muscle of Horner - ANSWER B) Superior tarsal muscle (muscle of
Muller)
8. An elderly patient presents in your office with decreased visual acuity. He
remarks that he can read better without his glasses and his refraction denotes
, a large myopic shift. Dilated fundus exam is unremarkable. Which of the
following slit lamp findings would MOST likely explain the above findings?
A) Bilateral 3+ nuclear sclerosis of the lens
B) Bilateral corneal arcus
C) Bilateral crocodile shagreen
D) Bilateral limbal girdle of Vogt - ANSWER A) Bilateral 3+ nuclear
sclerosis of the lens
9. A Galilean telescope has an ocular lens with a power of -32.00 D and an
objective lens with a power of +8.00 D. What is the magnification provided
by the telescope?
A) 0.25x
B) 4x
C) 8x
D) 256x - ANSWER B) 4x
10.A 6-foot tall man wishes to buy a plane mirror in which he can visualize his
whole length at the same time. How tall must the mirror measure in order for
the above to occur?
A) 3 feet tall
B) 5.2 feet tall
C) 2.3 feet tall
D) 4.5 feet tall
E) 6 feet tall - ANSWER A) 3 feet tall
11.A convex mirror in water (n=1.33) has a radius of curvature of 12cm. What
is the dioptric power of the mirror?
, A) -22.17 D
B) +22.17 D
C) +8.33 D
D) -11.08 D - ANSWER A) -22.17 D
12.A patient is seen at your office complaining that her right eye is
physiologically higher than her left eye. She would like to know if glasses
would help improve the cosmesis of her predicament. You know that prism
will shift the image of an object. How would you orient a prism to help her
appearance?
A) Prescribe base out prism over the left eye
B) Prescribe base up prism over the right eye
C) Prescribe base in prism over the left eye
D) Prescribe base down prism over the left eye - ANSWER B) Prescribe
base up prism over the right eye
13.A patient brings you an old pair of glasses and asks you how much prism is
in the lenses. With the lensometer, you measure 7 prism diopters base up and
4 base out in the right eye and 4 prism diopters base up and 5 base out in the
left eye. What is the total amount of prism in the glasses?
A) 11 prism diopters base up total and 1 base out
B) 3 prism diopters base up in the right eye and 1 base out
C) 11 prism diopters base up total and 9 base out
D) 3 prism diopters base up in the right eye and 9 base out - ANSWER
D) 3 prism diopters base up in the right eye and 9 base out
A patient returns to your office reporting that her eyes feel strange when she reads
6mm below the optical centers of her new glasses. The prescription in her right eye
is -4.00 DS and -7.00 DS in her left eye. How much vertical prism is induced when
she reads?
Questions with 100% Correct
Answers | Latest Edition
1. Horner's patient: dilation or no dilation with apraclonidine 1% - ANSWER
dilation
2. horner's patient: dilation or no dilation with cocaine 10% - ANSWER no
dilation
3. A patient is using a standard magnifier of +16D with a +2.00 add. If the
distance separating the two lenses is 25cm, what is the equivalent power of
this combination?
A) 10 D
B) 18 D
C) 26 D
D) 22 D - ANSWER A) 10 D
4. A 2.5x Galilean telescope has a -25D ocular lens. When focused for infinity,
what is the length of the telescope?
A) 10 cm
B) 6 cm
C) 14 cm
D) 4 cm
E) 5 cm - ANSWER B) 6 cm
,5. The lymphatic system serves many important roles in the human body. The
lateral portion of the eyelid lymphatics drain into which of the following
structures?
A) The pre-auricular lymph node
B) The puncta
C) The conjunctiva
D) The submandibular lymph node - ANSWER A) The pre-auricular
lymph node
6. Tear volume in a normal, healthy, young adult measures approximately
between which of the following values?
A) 13.0-16.0 microliters
B) 17.0-20.0 microliters
C) 2.0-5.0 microliters
D) 6.0-8.0 microliters
E) 9.0-12.0 microliters - ANSWER D) 6.0-8.0 microliters
7. Ptosis can be caused by dysfunction or damage to which of the following
muscles?
A) Pars ciliaris (Riolan's muscle)
B) Superior tarsal muscle (muscle of Muller)
C) Inferior rectus
D) Muscle of Horner - ANSWER B) Superior tarsal muscle (muscle of
Muller)
8. An elderly patient presents in your office with decreased visual acuity. He
remarks that he can read better without his glasses and his refraction denotes
, a large myopic shift. Dilated fundus exam is unremarkable. Which of the
following slit lamp findings would MOST likely explain the above findings?
A) Bilateral 3+ nuclear sclerosis of the lens
B) Bilateral corneal arcus
C) Bilateral crocodile shagreen
D) Bilateral limbal girdle of Vogt - ANSWER A) Bilateral 3+ nuclear
sclerosis of the lens
9. A Galilean telescope has an ocular lens with a power of -32.00 D and an
objective lens with a power of +8.00 D. What is the magnification provided
by the telescope?
A) 0.25x
B) 4x
C) 8x
D) 256x - ANSWER B) 4x
10.A 6-foot tall man wishes to buy a plane mirror in which he can visualize his
whole length at the same time. How tall must the mirror measure in order for
the above to occur?
A) 3 feet tall
B) 5.2 feet tall
C) 2.3 feet tall
D) 4.5 feet tall
E) 6 feet tall - ANSWER A) 3 feet tall
11.A convex mirror in water (n=1.33) has a radius of curvature of 12cm. What
is the dioptric power of the mirror?
, A) -22.17 D
B) +22.17 D
C) +8.33 D
D) -11.08 D - ANSWER A) -22.17 D
12.A patient is seen at your office complaining that her right eye is
physiologically higher than her left eye. She would like to know if glasses
would help improve the cosmesis of her predicament. You know that prism
will shift the image of an object. How would you orient a prism to help her
appearance?
A) Prescribe base out prism over the left eye
B) Prescribe base up prism over the right eye
C) Prescribe base in prism over the left eye
D) Prescribe base down prism over the left eye - ANSWER B) Prescribe
base up prism over the right eye
13.A patient brings you an old pair of glasses and asks you how much prism is
in the lenses. With the lensometer, you measure 7 prism diopters base up and
4 base out in the right eye and 4 prism diopters base up and 5 base out in the
left eye. What is the total amount of prism in the glasses?
A) 11 prism diopters base up total and 1 base out
B) 3 prism diopters base up in the right eye and 1 base out
C) 11 prism diopters base up total and 9 base out
D) 3 prism diopters base up in the right eye and 9 base out - ANSWER
D) 3 prism diopters base up in the right eye and 9 base out
A patient returns to your office reporting that her eyes feel strange when she reads
6mm below the optical centers of her new glasses. The prescription in her right eye
is -4.00 DS and -7.00 DS in her left eye. How much vertical prism is induced when
she reads?
