WEEKLY QUIZ #6

Ophthalmology

MCQ

      1.       Rolling in of lower lid occur in

a.       Scarring of id

b.      Ophthalmoplegia

c.       Facial palsy

d.      Trachoma

      2.       Patient with sudden onset of 7^th nerve palsy that affected all muscles. The first line of treatment is

a.       Ocular lubrication

b.      Immediate lateral tarsorraphy

c.       Immediate resection of lower lid

d.      V-Y operation

      3.       Complication of congenital ptosis include te following except :

a.       Amblyopia

b.      Ocular torticollis

c.       Lumbar lordosis

d.      Complicated cataract

      4.       A female patient 16 years old was complaining of presence of scales on her lashes. On examination the skin of the face was greasy. She had dandruff on te eye brows. The patient is suffering from :

a.       Meibomianitis

b.      Angular blepharitis

c.       Contact dermatitis

d.      Seborrheic blepharitis

       5.       Tarsal wedge resection operation is indicated in

a.       Pure trichiasis of upper eyelid

b.      Trichiasis and entropion of the upper eye lid

c.       Trichiasis and entropion of lower eye lid

d.      Pure trichiasis of lower eye lid

True/ False

      1.       Suppurative inflammation of Meibomian gland is called “Hordeolum internum’

       True

      2.       In Blascovic’s operation, t elevator muscle is shortened from skin side

       False

Essay

      1.       Definition and types of entropion

      Definition : Rolling inwards of eyelid margin towards the globe

  

      Types :

1.       Congenital – usually affect lower eyelid

2.       Senile - affects only lower lid, overriding of preseptal portion over pretarsal portion of orbicularis muscle

3.       Cicatricial (fibrotic) – fibrosis of palpebral conjunctiva

4.       Spastic – spasm of orbicularis muscle due to ocular irritation

      2.       Compare stye and chalazion

	Hordeolum externum (stye)	Hordeolum internum (Acute chalazion)
Site	At the lid margin related to the lash	In the tarsus deep to the orbicularis muscle
Inflammatory sign	Mild	Marked
Sweling	Related to the lash	A yellowish spot of pus is seen shining through the palpebral conjunctiva
Contraction of orbicularis	Not affected	Diminished
Treatment	Antibiotics Horizontal incision to evacuate the pus	Antibiotics Vertical conjunctival incision or a horizontal skin incision and evacuation of pus