Name of the University : The Tamilnadu Dr. M.G.R. Medical University
Degree : Diploma In Optometry Technology
Subject Code/Name : 1513/Optometric Instruments
Year : II
Paper : III
Document Type : Question Bank
Website : web.tnmgrmu.ac.in
Download Model/Sample Question Paper :
2012-2013 : https://www.pdfquestion.in/uploads/web.tnmgrmu.ac.in/Diplomo/3913-84151513LB.pdf
Optometric Instruments Question Bank :
AUGUST 2012 :
Sub. Code: 1513
DIPLOMA IN OPTOMETRY TECHNOLOGY
Related : TNMGRMU Ocular Diseases Diploma OT Question Bank : www.pdfquestion.in/3910.html
PAPER III – OPTOMETRIC INSTRUMENTS
Q.P. Code : 841513
Time : Three hours
Maximum : 100 marks
(180 Mins)
Answer ALL questions in the same order. :
I. Elaborate on:
1. Give the names of the charts used for testing distance and near visual Acuity. Write the procedure of testing distance visual acuity.
2. Types of retinoscopes and their merits and demerits. Write the procedure of cycloplegic retinoscopy.
3. Automated perimetry.
II. Write notes on:
1. Maddox wing.
2. Pachymetry.
3. Merits and demerits of indirect and direct ophthalmoscopes.
4. Bjerrum’s screen.
5. Procedure of testing with Amsler’s grid and its interpretation.
6. Hess screen.
7. Description of trial set and its accessories. Give their uses.
8. Schirmer’s test and its results.
9. Indications for FFA.
10.Pinhole.
III. Short Answers on:
1. Red and green filters.
2. Uses of prism bar.
3. Uses of Jackson’s cross cylinder.
4. Uses of lensometer.
5. Uses of corneal topography.
6. Types of gonioscopes.
7. IOL power calculation.
8. Name the surgical instruments used for trabeculectomy.
9. Methods of urine sugar estimation.
10. Uses of Maddox rod.
FEBRUARY 2013 :
I. Elaborate on: (3 x 10 = 30)
1. Write in detail about Applanation Tonometry
2. Describe in detail about any four methods of slitlamp illumination techniques.
3. Give the principle of keratometry and describe the procedure of manual keratometry.
II. Write notes on: (10 x 5 = 50)
1. Procedure of direct ophthalmoscopy.
2. Merits and demerits of spot and streak retinoscopes.
3. Snellen’s chart.
4. Automated lensometer.
5. Procedure of obtaining blood sugar level using Glucometer.
6. Pinhole.
7. Explain the procedure of measuring blood pressure.
8. Classify perimeter and mention the various field defects in glaucoma.
9. IOL power calculation.
10. Principle of Auto refractometer and its uses.
III. Short Answers on: (10 x 2 = 20)
1. Give names of four tonometer.
2. Uses of Maddox rod.
3. Two methods to measure corneal curvature.
4. Three tests for assessing dry eye.
5. Normal range of blood sugar level.
6. Uses of prism bar.
7. Bjerrum’s screen.
8. Parts of Schiotz’s tonometer.
9. Two methods to measure peripheral visual fields.
10. Uses of pachymeter.
AUGUST 2013 :
1. Elaborate on: 3 x 10 = 30
1. Tests for dry eyes.
2. Define Perimetry and various examination methods
3. A-Scan
II. Write Notes on: 10 x 5 = 50
1. Principles of Direct Ophthalmoscope
2. Different types of distant vision charts
3. Auto refractometer
4. Corneal Topography
5. Tests for Lacrimal duct patency
6. Non -Contact tonometer
7. Parts of Operating microscope
8. Direct Gonioscopy
9. Vision drum – Description and Uses
10. Optics of slit lamp biomicroscopy
III. Short Answers on: 10 x 2 = 20
1. Maddox wing
2. Maddox rod
3. Bjerrum’s screen
4. Principle of Keratometry
5. Automated Lensometer
6. Break -up time
7. List the name of instruments used in cataract surgery
8. Amsler chart
9. Prism bar
10. Indentation tonometers.
Syllabus :
Unit I : Ocular anatomy I
Specific objectives :
** To have a knowledge of ocular anatomy
** To understand the various structures in the eye
** Common diseases affecting them
Gross anatomy of the eyeball – the conjunctiva – the cornea- the sclera – the limbus – angle of the anterior chamber – the iris and pupil – the ciliary body – the choroid – the crystalline lens -chambers of the eye
Unit II : Ocular anatomy II
Specific objectives :
** To have a knowledge of ocular anatomy
** To understand the various structures in the eye
** Common diseases affecting them
The retina – Vitreous – Optic Nerve – Visual pathway – the extra ocular muscles – the eyelids – the lacrimal apparatus – the bony orbit – blood supply of the eye – nerve supply of the eye
Unit III : Ocular physiology
Specific objectives :
** To know the basics of ocular physiology
** To understand the function of various structures in the eye.
** Common tests to assess the ocular functions
The cornea – the lens – tears –the Schirmer’s test- the aqueous humor – measurement of IOP –assessment of visual acuity – visual perceptions –colour vision – the visual pathway – pupillary pathways and reflexes – accommodation -ocular movements-binocular single vision
Unit IV : Ocular pharmacology
Specific objectives :
** To know about the ophthalmic medications
** To know the actions and adverse effects of drugs.
** To monitor the patients after the administration of drugs
Drug delivery system – astringents and decongestants – antibiotics – antivirals – antifungals – autonomic drugs – mydriatics and cycloplegics – local anesthetics – ocular hypotensives – corticosteroids – non steroidal anti-inflammatory drugs – viscoelastic substances – ocular reactions to systemic medications –preservatives in eye drops
Unit V : Microbiology
Specific objectives :
** To discuss the characteristics of microorganisms including bacterial, viral and fungal infections.
** To discuss the measures to control the spread of micro organisms
Bacteria-classification of bacteria-Gram positive and negative cocci-Gram positive and negative bacilli –fungi – viruses – parasites – smear preparation – gram-staining procedure – sterilization, disinfection and antisepsis – dry heat – moist heat –autoclave – gas sterilization – chemical sterilization – important principles of asepsis