Page 1 of 1: ophthalmology 3

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1. Superior oblique palsy:
a. 25% congenital
b. bilateral causes has V esotropia
c. bilateral has more than 10 degrees of excyclotorsion
d. hypertropia increases on gaze to opposite side

2. The following are true about inferior oblique muscle operion:

a. ipsilateral myectomy is performed for fourth nerve palsy
b. myectomy is more effective than recession
c. haematoma is common

3. Ciliary body melanoma:

a. has a better prognosis than choroidal melanoma
b. may be amelanotic
c. more radiosensitive than choridal melanoma

4. Cataraacts are asscoaited with:

a. Lowe's syndrome
b. Usher's syndrome
c. Wilson's syndrome
d. Klipper-Field's syndrome
e. pseudoxanthoma elasticum

5. Syphilis:

a. teritary syphilis causes inflammation of zonules, lens and retina
b. commonest cause of interstitial keratitis

6. High AC/A ratio:

a. phosphholine iodide decreases it
b. increase iwth age
c. rrequires fixed working distance for measurement
d. can be corrected by executivd bifocal
e. congenital esotropia is associated with high ratio

7. Laser trabeculoplasty:

a. is successful in 80% of cases
b. may induce cataract
c. can reduce the pressure in the other eye
d. can increase field loss
e. casues fall in pressure in 2 hours

8. Acute mullfifocal placoid punctaate epitheliopathy:

a. is usually unilateral
b. on fluorrescein angiography, masking is seen in the initial stages
c. is associated iwth increased calcium concentration in the serum
d. improves spontaneouslly

9. Malignant melanoma of chorid have a worse prognosis with:

a. patients older than 70 years old
b. icnreaseing size
c. scleral extension
d. anergy to BCG
e. loss of humoural antiobodies with tumour

10.In optic nerve trauma:

a. intracranial part is most commonly affected
b. optic atrophy is common

11. Dissociated vertical deviation:

a. commonly bilateral and asymmetrical
b. the covered eye goes up and intorts and rapidly comes down on removal of cover
c. associated with latent nystagmus
d. assocaited with heterotropia

12. Optic disc ppit:

a. associated iwth retinal serous dtachment in 10% of cases
b. inferonasal typical but can be anywhere

13. SF6:

a. is highly lipid soluble
b. does not affect ERG
c. causes posterior subcapsular cataract

14. Idiopathic macular hole:

a. commoner in females
b. may close spontaneously
c. 90% biolateral
d. can occur with posterior vitreous detachment

15. Advantages of MRI over CT scan:

a. can be used in pacemaker
b.can be used to identify bony lesion
c. less radiatioon
d. all axis without moving patient

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