corneal opacity mcq.pptx 10 Multiple choice

loss of corneal tranparency based Multiple choice questions . ophthalmology

1. Etiology & Management Of Corneal Opacity Multiple choice questions

2. 1. Dense scar of cornea with incarceration of iris is known as: Adherant leucoma Dense leucoma Ciliary staphyloma Iris bombe

3. 2. Most of the thickness of cornea is formed by: Epithelial layer Sustantia propria Descemet’s membrane Endothelium

4. 3. Corneal transparency is maintained by all expect- Increased mitotic figures in centre of cornea Relative dehydration Uniform spacing of collagen fibrils Unmyelinated nerve fibres

5. 4. Deep leucoma is best treated by – tattooing Lamellar keratoplasty Keratectomy Penetrating keratoplasty

6. 5. All are causes of adherant leukoma except – perforated corneal ulcer Penetrating injury Operating wound Wooden stick injury

7. 6. The following signs are present in peripheral leukoma adherant except – Pear shaped pupil Irregular depth of AC Peripheral synaechia Iris adherant to back of cornea

8. 7. A 35 year old, was complaining of redness, blurring of vision in the left eye, he mentioned that the same condition has happened last year. On examination the cornea showed an irregular linear defect. To reach the diagnosis one must do: Regurgitation test Corneal scrapping Corneal sensitivity Measurement of IOP

9. 8. Congenital corneal opacity is seen in – Down’s syndrome Turner syndrome Peter’s anomaly Marfan syndrome

10. 9. The most visual discomfort is produced by – Nebula Macula Leucoma Adherant leucoma

11. 10 . Drugs causing corneal opacity - Cephalosporins Tetracyclines Anti – malarial Antifungal

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