WEEKLY QUIZ #7

WEEKLY QUIZ

CATARACT

MCQs

1)      Signs of immature cataract are except :

(A)   Diminution of vision

(B)   Rise of intraocular pressure

(C)   Iris shadow

(D)   Partial lens opacity seen by red reflex

2)      Subluxated lens is characterized by except :

(A)   Iridodonesia can be seen

(B)   Shallow anterior chamber

(C)   Occurs in hypermature cataract

(D)   May be due to blunt trauma

3)      Complicated cataract may result from the following ocular diseases except :

(A)   High myopia

(B)   Anterior uveitis

(C)   Acute congestive glaucoma

(D)   Paralytic squint

4)      Phacoemulsification of cataractous lens is indicated in the following conditions except :

(A)   Mature senile cortical cataract

(B)   Immature senile cortical cataract

(C)   Early nuclear cataract

(D)   Congenital cataract

5)      48 hours after a cataract extraction operation, a patient complained of ocular pain and visual loss. On examination, this eye looked red with ciliary injection, corneal edema and absent red reflex. The first suspicion must be :

(A)   Secondary glaucoma

(B)   Anterior uveitis

(C)   Bacterial endophthalmitis

(D)   Acute conjunctivitis

CASE

A 66-years old insulin dependent diabetic patient presents with bilateral gradual deterioration of vision of one year duration. On ocular examination, vision in the right eye is hand motion (HM) and in the left eye is PL and there is bilateral mature cataract. The fundus of both eye is not seen.

1)      Before taking the decision of surgery, the following test is of value :

(A)   Fluorescein angiography

(B)   Ultrasonography

(C)   Visual field testing

(D)   Gonioscopy

2)      Following investigation, it was decided to perform cataract extraction in the right eye only. The operation of choice is :

(A)   ECCE with posterior IOL implantation

(B)   ECCE with no IOL

(C)   ICCE with anterior chamber IOL

(D)   ICCE with no IOL

3)      After the extraction of his cataract, the patient’s vision improved to 6/36 only. The probable lesion seen in the fundus in this case that could not be diagnosed prior to surgery would be :

(A)   Macular affection by exudates

(B)   Dense vitreous haemorrhage

(C)   Massive tractional retinal detachment

(D)   Central retinal artery occlusion

4)      The probable contraindication to surgery in the left eye was probably :

(A)   Massive tractional retinal detachment

(B)   Optic neuritis

(C)   Massive vitreous haemorrhage

(D)   Macular exudates