Forum:Seminar papers/Biophysics/2. LF/2018-2019/Group 6

(group HI)

Question number	MCQ	Answer
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, the most common vision is ___ A-    6/6 B-     6/12 C-     6/4 D-    4/6	C
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 be changed 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