1. The corneal epithelium is :
a- Keratinized stratified squamous epithelium.
b- Non keratinized stratified squamous epithelium.
c- Tall columnar epithelium.
d- Cuboidal epithelium.
2. One of these factors contributes to corneal transparency:
a- Regular arrangement of stromal collagen fibrils.
b- Intact epithelium and endothelium.
c- Normal I.O.P.
d- All of above.
3. Endothelial cell layer of the cornea are examined by :
a- Ophthalmoscope.
b- Gonioscope.
c- Specular microscope.
d- Skiascopy.
4. Corneal diameter is measured by:
a- Slit lamp.
b- Caliper & Ruler.
c- Keratometry.
d- Retinoscopy.
5. Corneal thickness is measured by:
a- Pachymetry.
b- Biometry.
c- Keratometry.
d- Perimetry.
6. Corneal power and curvature is measured by:
a- Topography.
b- Keratometry.
c- Slit lamp biomicroscopy.
d- Both A & B.
7. Only one organism of the following can invade normal corneal epithelium :
a- Psuedomonas.
b- Gonococcus.
c- Staphylococcus.
d- Pneumococcus.
8. Healing of corneal ulcer results into an opacity because:
a- New fibres are not regularly arranged.
b- B.M is not regenerated.
c- None of above.
d- All of above.
9. The type of corneal opacity that affects vision more is :
a- Diffuse nebula.
b- Diffuse macula.
c- Dense leucoma.
d- None of them.
10. Pseudo - cornea is formed of:
a- All corneal layers.
b- Three layers namely epithelium, stroma & endothelium.
c- Stromal layer with epithelium.
d- Only epithelial layer.
11. The followings are true about hypopyon except:
a- It is leucocytosis due to bacterial toxins.
b- It is fluid & cells.
c- It is absorbed with therapy.
d- It is infected fluid containing pus cells.
12. Ulcer serpens is caused by :
a- Staphylococci.
b- Streptococci.
c- Pneumocucci.
d- Gonococci.
13. Steroids are indicated topically in :
a- Hypopyon ulcer.
b- Dendritic ulcer.
c- Mycotic ulcer.
d- Disciform keratitis.
14. Mooren's ulcer is :
a- Degenerative ulcer.
b- Infective ulcer.
c- Auto immune ulcer.
d- Neuroparalytic ulcer.
15. The reservoir of infection in herpes zoster ophthalmicus is:
a- Ciliary ganglion. '
b- Gasserian ganglion;
c- Superior cervical ganglion.
d- Inferior cervical ganglion.
16. Fleischer's ring on the corneal epithelium is seen in :
a- Keratoglobas.
b- Keratoconus.
c- Keratomalacia.
d- Anterior staphyloma.
17. In advanced keratoconus, the best treatment is :
a- Penetrating keratoplasty.
b- Soft Contact lenses.
c- Hard contact lenses.
d- Refractive surgery.
18. In recurrent neuroparalytic keratitis the best treatment is :
a- Antibiotic drops & ointment..
b- Artificial tears.
c- Tarsorrhaphy.
d- Closure of lacrimal puncta.
19. Small peripheral corneal perforation leads to:
a- Corneal fistula.
b- Anterior polar cataract.
c- Peripheral anterior synechia.
d- Anterior staphyloma.
20. A patient with corneal ulcer noticed sudden cessation of pain & relieve of other symptoms. The possible occurrence is:
a- Complete cure.
b- Perforation.
c- Endophthalmitis.
d- Corneal fistula.
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