Deck 4: Ophthalmology and Optic Nerve Disorders

Question 1

A young patient with sudden painless loss of vision, with systolic murmur and ocular examination reveals a cherry red spot with clear AC, the likely diagnosis is:

A)Central Retinal Artery Occlusion
B)Central Retinal Vein Occlusion
C)Diabetes Mellitus
D)Branch Retinal Vein Occlusion

Answer 1

Central Retinal Artery Occlusion

Question 2

Amaurotic cat's eye reflex is seen in:

A)Papilloedema
B)Retinoblastoma
C)Papillitis
D)Retinitis

Answer 2

Retinoblastoma

Question 3

Commonest lesion which hinders vision in diabetic retinopathy is:

A)Macular oedema
B)Microaneurysm
C)Retinal hemorrhage
D)Retinal detachment

Answer 3

Macular oedema

Question 4

Commotio retinae is seen in:

A)Concussion injury
B)Papilloedema
C)Central retinal vein thrombosis
D)Central retinal artery thrombosis

Question 5

Night blindness is caused by:

A)Central retinal vein occlusion
B)Dystrophies of retinal rods
C)Dystrophies of the retinal cones
D)Retinal detachment

Question 6

In Central retinal artery occlusion, a cherry red spot is due to:

A)Hemorrhage at macula
B)Increased choroidal perfusion
C)Increase in retinal perfusion at macula
D)The contrast between pale retina and reddish choroids

Question 7

The most common primary intraocular malignancy in adults is:

A)Retinoblastoma
B)Choroidal melanoma
C)Squamous cell carcinoma of conjunctiva
D)Iris nevus

Question 8

A patient of old standing diabetes mellitus noticed sudden muscae volitanes. On examination, the red reflex was dim, with no details of fundus could be seen. He might have:

A)Non proliferative diabetic retinopathy
B)Cystoid macular edema
C)Vitreous hemorrhage
D)Central retinal vein occlusion

Question 9

Occlusion of the lower nasal branch of the central retinal artery results in one of the following field defects:

A)Lower nasal sector field defect
B)Upper nasal sector field defect
C)Upper temporal field defect
D)Lower temporal sector field defect

Question 10

Primary optic atrophy results from:

A)Retinal disease
B)Chronic glaucoma
C)Papilledema
D)Neurological disease

Question 11

Retro-bulbar optic neuritis is characterized by:

A)Marked swelling of the optic disc.
B)Impaired direct light reflex in the affected eye
C)Impaired consensual light reflex in the affected eye
D)Normal visual acuity

Question 12

The type of optic atrophy that follows retro-bulbar neuritis is:

A)Secondary optic atrophy
B)Consecutive optic atrophy
C)Glaucomatous optic atrophy
D)Primary optic atrophy

Question 13

A male patient 30 years old with visual acuity of 6/6 in both eyes. Twelve hours ago he presented with drop of vision of the left eye. On examination, visual acuity was 6/6 in the right eye and 6/60 in the left eye. Fundus examination showed blurred edges of the left optic disc. The most probable diagnosis is:

A)Raised intra cranial pressure
B)Raised ocular tension
C)Central retinal artery occlusion
D)Optic neuritis

Question 14

All are seen in 3rd nerve palsy except:

A)Ptosis
B)Diplopia
C)Miosis
D)Outwards eye deviation

Question 15

Homonymous hemianopia is due to lesion at:

A)Optic tract
B)Optic nerve
C)Optic chiasma
D)Retina

Question 16

Which is not found in papilloedema?

A)Blurred vision
B)Blurred margins of disc
C)Cupping of disc
D)Retinal edema

Question 17

Optic disc diameter is:

A)1 mm
B)1.5 mm
C)2 mm
D)3 mm

Question 18

Optic nerve function is best studied by:

A)Direct Ophthalmoscope
B)Retinoscope
C)Perimetry
D)Gonioscopy

Question 19

Optic nerve axon emerges from:

A)Ganglion cells
B)Rods and cones
C)Amacrine cells
D)Inner nuclear layer

Question 20

Papilloedema has all the following characteristics except:

A)Marked loss of vision
B)Blurring of disc margins
C)Hyperemia of disc
D)Field defect

Question 21

Homonymous hemianopia is the result of a lesion in:

A)Optic chiasma
B)Retina
C)optic tract
D)Optic nerve

Question 22

Mydriasis is present in all the following except:

A)Third nerve lesion
B)Pontine haemorrhage
C)Datura poisoning
D)Fourth stage of anesthesia

Question 23

D-shaped pupil occurs in:

A)Iridocyclitis
B)Iridodenesis
C)Cyclodialsis
D)Iridodialysis

Question 24

In complete third nerve paralysis the direction of the affected eye in the primary position is:

A)Inward
B)Outward
C)Outward and up
D)Outward and down

Question 25

All the following are extraocular muscle of eye except:

A)Superior rectus
B)Ciliary muscle
C)Inferior oblique
D)Superior oblique