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This set of Ophthalmology Multiple Choice Questions & Answers (MCQs) focuses on Ophthalmology Set 4
Q1 | 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:
- Central Retinal Artery Occlusion
- Central Retinal Vein Occlusion
- Diabetes Mellitus
- Branch Retinal Vein Occlusion
Q2 | Amaurotic cat's eye reflex is seen in:
- Papilloedema
- Retinoblastoma
- Papillitis
- Retinitis
Q3 | Commonest lesion which hinders vision in diabetic retinopathy is:
- Macular oedema
- Microaneurysm
- Retinal hemorrhage
- Retinal detachment
Q4 | Commotio retinae is seen in:
- Concussion injury
- Papilloedema
- Central retinal vein thrombosis
- Central retinal artery thrombosis
Q5 | Night blindness is caused by:
- Central retinal vein occlusion
- Dystrophies of retinal rods
- Dystrophies of the retinal cones
- Retinal detachment
Q6 | In Central retinal artery occlusion, a cherry red spot is due to:
- Hemorrhage at macula
- Increased choroidal perfusion
- Increase in retinal perfusion at macula
- The contrast between pale retina and reddish choroids
Q7 | The most common primary intraocular malignancy in adults is:
- Retinoblastoma
- Choroidal melanoma
- Squamous cell carcinoma of conjunctiva
- Iris nevus
Q8 | 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:
- Non proliferative diabetic retinopathy
- Cystoid macular edema
- Vitreous hemorrhage
- Central retinal vein occlusion
Q9 | Occlusion of the lower nasal branch of the central retinal artery results in one of the following field defects:
- Lower nasal sector field defect
- Upper nasal sector field defect
- Upper temporal field defect
- Lower temporal sector field defect
Q10 | Primary optic atrophy results from:
- Retinal disease
- Chronic glaucoma
- Papilledema
- Neurological disease
Q11 | Retro-bulbar optic neuritis is characterized by:
- Marked swelling of the optic disc.
- Impaired direct light reflex in the affected eye
- Impaired consensual light reflex in the affected eye
- Normal visual acuity
Q12 | The type of optic atrophy that follows retro-bulbar neuritis is:
- Secondary optic atrophy
- Consecutive optic atrophy
- Glaucomatous optic atrophy
- Primary optic atrophy
Q13 | 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:
- Raised intra cranial pressure
- Raised ocular tension
- Central retinal artery occlusion
- Optic neuritis
Q14 | All are seen in 3rd nerve palsy except:
- Ptosis
- Diplopia
- Miosis
- Outwards eye deviation
Q15 | Homonymous hemianopia is due to lesion at:
- Optic tract
- Optic nerve
- Optic chiasma
- Retina
Q16 | Which is not found in papilloedema?
- Blurred vision
- Blurred margins of disc
- Cupping of disc
- Retinal edema
Q17 | Optic disc diameter is:
- 1 mm
- 1.5 mm
- 2 mm
- 3 mm
Q18 | Optic nerve function is best studied by:
- Direct Ophthalmoscope
- Retinoscope
- Perimetry
- Gonioscopy
Q19 | Optic nerve axon emerges from:
- Ganglion cells
- Rods and cones
- Amacrine cells
- Inner nuclear layer
Q20 | Papilloedema has all the following characteristics except:
- Marked loss of vision
- Blurring of disc margins
- Hyperemia of disc
- Field defect
Q21 | Homonymous hemianopia is the result of a lesion in:
- Optic chiasma
- Retina
- optic tract
- Optic nerve
Q22 | Mydriasis is present in all the following except:
- Third nerve lesion
- Pontine haemorrhage
- Datura poisoning
- Fourth stage of anesthesia
Q23 | D-shaped pupil occurs in:
- Iridocyclitis
- Iridodenesis
- Cyclodialsis
- Iridodialysis
Q24 | In complete third nerve paralysis the direction of the affected eye in the primary position is:
- Inward
- Outward
- Outward and up
- Outward and down
Q25 | All the following are extraocular muscle of eye except:
- Superior rectus
- Ciliary muscle
- Inferior oblique
- Superior oblique