LENS MCQ 5

1.       What is most serious complication of cataract surgery

a.       Wound leak

b.       Lens dislocation

c.       IOL  dislocation

d.       Posterior capsular opacity

                                e.       Endophthalmitis 

2.   The most effective and least expensive antimicrobial prophylaxis against Endophthalmitis is

a.   Pre-operative antibiotics 3 days before surgery

b.   5% povidone iodine 3 mins before surgery

c.       Post op subconjunctival injection

d.       Intracameral antibiotics

e.       Post op antibiotic drops for 1 week

3.       Cohesive viscoelastic agent is

a.       Short molecular weight

b.       Short chain

c.     High viscosity

d.       Difficult to remove from eye

e.       Maximum coating ability

4.       Procedure  performed to separate the peripheral cortex from the underlying posterior lens capsule.

a.       Hydrodelineation

b.     Hydrodissection

c.       Hydrophragmentation

d.       Nuclear rotation

e.       Phacoemulsification

5.       Limbal relaxing incision

a.       Reduces astigmatism upto 4 diopters

b.       Incision is made at steep meridian

c.       Marks are placed while patient lying down

d.       Marking is done at 3 or 9:00 clock limbus

                                  e.      Incision is made in flat meridian 

6.       IOL for astigmatic correction is

a.       Monofocal

b.       Multifocal

c.      Toric

d.       Presbiopic

e.       Pseudoaccomodative

7.       Most common postoperative complication following phacoemulsification is

a.       Cystoid macular edema

b.       Retained lens matter

c.       Posterior capsular opacification

d.       Corneal edema

                                 e.        Retinal detachement 

8.       Indication of YAG capsulotomy is

a.       inadequate visualization of the posterior capsule

b.       a patient who is unable to remain still or hold fixation during the procedure

c.       active intraocular inflammation

d.       uncontrolled glaucoma,

e.     visual acuity symptomatically decreased as a result of PCO

9.       Complications of Nd:YAG laser capsulotomy include all except

a.       transient or long-term elevated IOP

b.       retinal detachment

c.       CME

d.       Hyphema

e.     Reduction in IOP

10.       Treatment of acute retro bulbar hemorrhage consists of maneuvers all except

a.       digital massage

b.       intravenous osmotic agents

c.       aqueous suppressants

d.     medial canthotomy

e.       lateral canthotomy and cantholysis