Download RGUHS BSc Optometry 2019 October 2nd Year 3111 Optometric Optics Revised Scheme 3 Question Paper

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Rajiv Gandhi University of Health Sciences, Karnataka

II Year B.Sc. Optometry Degree Examination - SEP-2019

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Time: Three Hours Max. Marks: 80 Marks

Optometric Optics

(Revised Scheme - 3)

Q.P. CODE: 3111

Your answers should be specific to the questions asked

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Draw neat, labeled diagrams wherever necessary

LONG ESSAYS (Answer Any Three) 3 x 10 = 30 Marks

1. Explain steps of lens surfacing.
2. What is PAL? What is the difference between hard and soft progressive lens design? Write the standard method for taking progressive lens fitting Measurements.
3. Mention the various parts of a frame with the help of a diagram. Explain the various types of frames in detail.

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4. Explain different types of trifocal lenses.

SHORT ESSAYS (Answer Any Six) 6 x 5 = 30 Marks

1. What factors should be considered before selecting frames for the children.
2. Explain about Aspheric lenses in detail.
3. Explain 5 troublesome reflections from spectacle lens surface with a diagram.

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4. Calculate the edge substance ‘e’ of a plano concave lens made in crown glass (1.523) of surface power -11.0 D, diameter of lens 44 mm and center thickness 0.6 mm
5. Explain the steps of torric transposition with example.
6. Explain lens material defects.
7. Briefly explain effects of UV Radiation on eye.

SHORT ANSWERS 10 x 2 = 20 Marks

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1. Define prism and give the unit of prism power.
2. High index lens
3. Facial wrap
4. Name the materials used in making of frame.
5. Spherical aberration.

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6. Lens maker equation.
7. Vertex distance.
8. Knapp’s law.
9. Pantoscopic tilt.
10. Toughened lenses

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