Forum:Seminar papers/Biophysics/2. LF/2018-2019/Group 6/HI
< Forum:Seminar papers | Biophysics | 2. LF | 2018-2019 | Group 6
Forum:Seminar papers/Biophysics/2. LF/2018-2019/Group 6/HI
Optometry MCQs[edit | edit source]
1 Which one of the vision complications below may be more likely caused by the natural aging process?
A- Hyperopia
B- Astigmatism
C- Presbyopia
D- Myopia
C
2 Astigmatism can be corrected by ___ lenses.
A- Concave
B- Toric
C- Convex
D- UV
B
3 Which one is NOT true about Snellen type charts?
A- The chart is not standard, therefore, results may be different according to the type of chart.
B- Patient may remember the symbols and this can affect the accuracy of the results.
C- This chart allows optometrist to diagnose refraction problems with the eyes of the patient.
D- At the conventional distance of 6 m normal vision should have the value of 6/6 for each eye separately.
C
4 In examination of the eye with a refractometer convergent rays represent ___.
A- Myopia
B- Physiological state of the eye
C- Vision ability of the patient at 6 meters away from the Snellen chart.
D- Hyperopia
A
5 Myopia means ___
A- Farsightedness
B- Nearsightedness
C- Blindness
D- None of the above
B
6 Hyperopia means the eyeball is ___
A- Too short
B- Too long
C- Damaged
D- None of the above
A
7 Presbyopia is ___
A- When the eye is physically damaged
B- An eye infection caused by bacteria
C- A genetic mutation in the eye
D- None of the above
D
8 A refractive error in which the eye doesn’t focus light equally along perpendicular axes is called ___
A- Myopia
B- Presbyopia
C- Astigmatism
D- Colour blindness
C
9 What does the refractometer mainly measure?
A- Focal length of the eye
B- Refraction of the lens system of the eye
C- Field of vision
D- None of the above
B
10 According to the Snellen chart, good vision is ___
A- 6/6
B- 6/12
C- 6/4
D- 4/6
A
11 When using the Snellen chart, the patient should start with ___
A- The bad eye
B- The good eye
C- Both eyes
D- It doesn’t matter
A
12 The smallest lines the patient can read in Snellen’s chart are called ___
A- Division
B- Snellen index
C- Minimum
D- Fraction
D
13 Which of the following methods is used for the optometric examination of the eye:
A-CT scan
B- optotype
C-X Ray
D- none of the above
B
14 Which is correct about optotypes:
A-it’s a subjective method
B-the patient tells the examiner what he see
C-does not tell us anything specific about the eye disorder
D- all the above
D
15 Regarding optical power:
A-it depends on the focal length of lens
B-the units are Dioptres
C-the optical power of the lens of the eye can chang with age
D-all the above
D
16 The refractometer:
A- can distinguish between myopia and hyperopia
B-it’s a subjective method
C- doesn’t calculate the value of optic power
D-none of the above
A
17 Choose the correct statement about the refractometer:
A-) infrared light is reflected off the retina
B-) the refraction of the lens system of the eye is measured by checking the direction of the infrared light when it emerges from the eye
C-) the infrared light is detected using a CCD device
D-)all the above
D
18 Which problem can be encountered when using the refractometer’s automatic mode?
A) Calibration Error
B) Too long measurement
C) Permanent loss of eyesight
D) Eye pain
A