Exam Details
Subject | Ophthalmic Optics | |
Paper | ||
Exam / Course | Certificate In Dispensing Optics (CDO) | |
Department | School of Health Science (SOHS) | |
Organization | indira gandhi national open university | |
Position | ||
Exam Date | December, 2015 | |
City, State | new delhi, |
Question Paper
1. The Snellen eye chart has a series of letters or letters and numbers, with the largest at the top.
True
False
None of the above
Can't say
2. Acuity and colour vision can be affected independently.
True
False
None of the above
Can't say
3. Hyperopia is also known as Farsightedness.
True
False
None of the above
Can't say
4. Coma aberration is dependent upon lens shape.
True
False
None of the above
Can't say
5. The optics of eye is very complex.
True
False
None of the above
Can't say
6. The bifocal segment height should be selected such that jump is minimised.
True
False
None of the above
Can't say
7. Glass lenses are suitable for everyday usage.
True
False
None of the above
Can't say
8. In spherical aberration off-axis rays are brought to a focus closer to the lens than are on-axis rays.
True
False
None of the above
Can't say
9. Aberration leads to blurring of the image produced by an image-forming optical system.
True
False
None of the above
Can't say
10. Density is a measurement of
Weight
Speed
Velocity
Size
11. Which of the following lenses provides a smooth transition from distance correction to near correction
Progressive
Bifocal
Single
Double
12. A bifocal adds a second lens called
Second
Add
First
Small
13. Which retinopathy is the most common retinal vascular cause of visual acuity loss?
Diabetic
Optic neuritis
Both and
None of the above
14. Legal Blindness is when a person's best-corrected vision is worse than:
20/200
20/20
200/20
20/2
15. The most common chart used in the doctor's clinic is
Snellen chart
LogMAR chart
Pelli-Robenson chart
None of the above
16. Hyperopia is the condition in which the image of a distant object falls:
Behind the retina
Front of the retina
Middle of the retina
Along the retina
17. An eye is said to be normal or emmetropic if the image of a distant object falls on the:
Retina
Lens
Cornea
Sclera
18. Coma aberration can be corrected by using corrective:
Lenses
Angle
Both and
None of the above
19. 0.5 mm is the Position of Posterior Surface of
Lids
Cornea
Eyelashes
None of the above
20. 6.70 mm is the radius of curvature of
Anterior surface of cornea
Posterior of cornea
Front of cornea
Middle of cornea
21. Which of the following type of lens has the same optical focal point or correction over the entire area of the lens
Single vision
Double vision
Both and
None of the above
22. The metric equivalent is 6/6 vision where the distance is 3 meters.
True
False
None of the above
Can't say
23. Departures of the performance of an optical system from the predictions of paraxial optics are:
Aberrations
Oblique
Rays
Light
24. Radius of curvature of posterior surface of lens core is
2.33 mm
5.76 mm
4mm
3mm
25. Which eye is a mathematical construction of which the dimensions and optical properties approximate those of the ordinary living eye
Schematic
Artificial
Strong
Weak
26. At the center of the retina is a small depression known as the:
Forea
Nerve cell
Both and
None of the above
27. Radius of curvature of Anterior surface of cornea is
1.0 mm
2.0 mm
5.0 mm
7.70 mm
28. Position of Anterior Surface of cornea is
3mm
7mm
0mm
6mm
29. Which of the following aberrations is positive when off-axis rays facus farthest from the axis and negative when they are closest?
Spherical
Oblique
Coma
None of the above
30. Two main effects of a Distortion:
Barral
Pincushion
Both and
None of the above
True
False
None of the above
Can't say
2. Acuity and colour vision can be affected independently.
True
False
None of the above
Can't say
3. Hyperopia is also known as Farsightedness.
True
False
None of the above
Can't say
4. Coma aberration is dependent upon lens shape.
True
False
None of the above
Can't say
5. The optics of eye is very complex.
True
False
None of the above
Can't say
6. The bifocal segment height should be selected such that jump is minimised.
True
False
None of the above
Can't say
7. Glass lenses are suitable for everyday usage.
True
False
None of the above
Can't say
8. In spherical aberration off-axis rays are brought to a focus closer to the lens than are on-axis rays.
True
False
None of the above
Can't say
9. Aberration leads to blurring of the image produced by an image-forming optical system.
True
False
None of the above
Can't say
10. Density is a measurement of
Weight
Speed
Velocity
Size
11. Which of the following lenses provides a smooth transition from distance correction to near correction
Progressive
Bifocal
Single
Double
12. A bifocal adds a second lens called
Second
Add
First
Small
13. Which retinopathy is the most common retinal vascular cause of visual acuity loss?
Diabetic
Optic neuritis
Both and
None of the above
14. Legal Blindness is when a person's best-corrected vision is worse than:
20/200
20/20
200/20
20/2
15. The most common chart used in the doctor's clinic is
Snellen chart
LogMAR chart
Pelli-Robenson chart
None of the above
16. Hyperopia is the condition in which the image of a distant object falls:
Behind the retina
Front of the retina
Middle of the retina
Along the retina
17. An eye is said to be normal or emmetropic if the image of a distant object falls on the:
Retina
Lens
Cornea
Sclera
18. Coma aberration can be corrected by using corrective:
Lenses
Angle
Both and
None of the above
19. 0.5 mm is the Position of Posterior Surface of
Lids
Cornea
Eyelashes
None of the above
20. 6.70 mm is the radius of curvature of
Anterior surface of cornea
Posterior of cornea
Front of cornea
Middle of cornea
21. Which of the following type of lens has the same optical focal point or correction over the entire area of the lens
Single vision
Double vision
Both and
None of the above
22. The metric equivalent is 6/6 vision where the distance is 3 meters.
True
False
None of the above
Can't say
23. Departures of the performance of an optical system from the predictions of paraxial optics are:
Aberrations
Oblique
Rays
Light
24. Radius of curvature of posterior surface of lens core is
2.33 mm
5.76 mm
4mm
3mm
25. Which eye is a mathematical construction of which the dimensions and optical properties approximate those of the ordinary living eye
Schematic
Artificial
Strong
Weak
26. At the center of the retina is a small depression known as the:
Forea
Nerve cell
Both and
None of the above
27. Radius of curvature of Anterior surface of cornea is
1.0 mm
2.0 mm
5.0 mm
7.70 mm
28. Position of Anterior Surface of cornea is
3mm
7mm
0mm
6mm
29. Which of the following aberrations is positive when off-axis rays facus farthest from the axis and negative when they are closest?
Spherical
Oblique
Coma
None of the above
30. Two main effects of a Distortion:
Barral
Pincushion
Both and
None of the above
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Basic Of Refractive Errors
- Basic Science
- Coating
- Frames
- Ophthalmic Optics
- Optical Counter Management
- Progressive Lens