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Conjunctivitis, ophthalmology

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 Lecture Video

Part 1

anatomy, physiology, acute conjuctivitis

Part 2

Acute conjunctivitis 



Part 3

(Allergic conjunctivitis)

Questions

MCQ


:Tear break up time measure
a Tear film distribution
b Tear film production
c Tear film stability
d Tear film volume
c
years-boy complaining of recurrent attacks of itching, redness and sticky white discharge. Now he is complaining of gradually progressive painless diminution of vision. Expected finding in  examination
a Positive fluorescein stain
b Break up time test less than 10 sec.
 c Nodule in conjunctiva.
d back elevation in corneal topography
d
3-A 23 year-old school teacher complains that her right eye is red and irritated. You note injection of the conjunctival vessels, watery discharge, and a palpable preauricular lymph node. Which of the following are also likely findings in this case
a. Corneal ulcer
 b. Follicles
b. Papillae 
 d. Pseudo-membranes
b
Conjunctival papillae can be seen in the following except:
1. conjunctival fornices.
 2. tarsal conjunctiva.
3. bulbar conjunctiva.
 4. limbal conjunctiva.
b
All the following can be caused by chlamydial infection except:
a-Ophthalmia neonatorum 
 b-Trachoma.
c-Inclusion Conjunctivitis.
 d-Central corneal ulcer.
d

The most dangerous complication of hyperacute purulent conjunctivitis:
a. Xerosis 
 b. Conjunctival scaring
c. Corneal ulcer
. d. Trichiasis
c

Most common organism in hyperacute purulent conjunctivitis is:
a-Pneumococci.
 b-Streptococci.
c-Gonococci. 
 d-Herpes simplex virus.
c

Which is true about vernal conjunctivitis:
a-Always unilateral. 
 b-Usually occurs in young boys.
c-Antibiotic are the main therapy.
 d-Main symptom is lacrimation.
d
All are signs of trachoma except:
a-Arlet’s line.
 b-Papillae of upper tarsal conjunctiva.
c-Herbert’s Pits
 d-Tranta spot.
d
Itching is common with:
a-Spring catarrh.
 b-Trachoma.
c-Mucopurulent conjunctivitis.
 d-Corneal ulcer.
a

Giant papillary conjunctivitis can be caused by the following except:
a-Artificial prosthesis.
 b-Spring catarrh.
c-Contact lens wear.
 d-Acute conjunctivitis.
d

Causes of Follicles include all the following except:
a. Viral.
 b. Spring catarrh.
c. Trachoma.
 d. Drug reaction.
b

The most common organism in Egypt cause Mucopurulent conjunctivitis
a. Haemophilus influenza.
 b. Staph
c. Streptococcus 
 d. Pneumococcus
a
Adenoid layer of conjunctiva contains:
a. Eosinophils 
 b. lymphocytes
c neutrophils 
 d. basophils
b

Type of epithelium in tarsal conjunctiva
 a Stratified squamous non-keratinized epithelium with goblet cells.
b) Columnar epithelium with goblet cells.
c) Transitional epithelium
d) Stratified squamous non-keratinized epithelium.
b

Goblet cells produce:
a. Inner layer of tear film.
 b. Middle layer of tear film
c. outer layer of tear film 
 d. Oily layer of tear film
a

Pre-auricular lymphadenopathy occurs in the following except:
a. adenoviral conjunctivitis. 
 b. Inclusion conjunctivitis
c. Spring catarrh
 d. Gonococcal conjunctivitis.
c

Stage TIIa in (Mac-Callan classification) of trachoma show:
a. expressiblearge follicle.
 B. non-expressible follicles. 
c. Trachomatous papillae. 
 d. Post-trachomatous degenerations
a

Etiology of pterygium
 a Neoplastic
b Infection
c Inflammation
d Degenerative
d

Corneal damage with trachoma is due to:

a trichiasis

b dryness

c entropion

d All of the above

d

Conjunctiva is formed from all of the following except:

a Epithelium

b Muscle layer

c Adenoid layer

d Deep fibrous layer

b

Pinguicula is caused by
a Diphtheria
b Gonococci
c Degeneration
d Staph
c

Which is true about vernal conjunctivitis:

a-Always unilateral.

b-Usually occurs in young boys.

c-Antibiotic drops are the main therapy.

d-Main symptom is foreign body sensation.

b

Itching is common with:

a Spring catarrh.

b Trachoma.

c Mucopurulent conjunctivitis.

d Corneal ulcer.

a

Giant papillary conjunctivitis can be caused by the following except:

a-Artificial prosthesis.

b-Spring catarrh.

c-Contact lens wear.

d-Acute conjunctivitis.

d

Type of Discharge in spring catarrh:

a Watery.
b Ropy.
c Purulent.
d Blood tinged purulent.

b

Type of Discharge in gonococcal conjunctivitis:

a Watery.

b Ropy.

c Purulent.

d Blood tinged purulent

c


Pterygium is caused by the following factor:

a Exposure to infrared rays.
v Exposure to ionic radiation.
c Exposure to ultraviolet rays.
d Exposure to allergens.
c

Which is true about vernal conjunctivitis:

a-Always unilateral. 
 b-Usually occurs in young boys.
c-Antibiotic are the main therapy. 
 d-Main symptom is lacrimation.

d


Lines of treatment of Spring Catarrh include all the following EXCEPT:

(a) Topical anti-histaminic 
 (b) Topical corticosteroids
(c) Topical Cyclosporine 
 (d) Topical Anti-Fungal

d

True membranous conjunctivitis is caused by
a trachoma
b Morax-Axenfeld bacillus
c  virus
d  diphtheria
d

Phlyctenular conjunctivitis is due to
a pneumococcus
b Pseudomonas pyocyanea
C. allergy to endogenous antigen.
d. allergy to exogenous antigen.
c

Concretions are due to accumulation of epithelial cells and mucus in

a Zeiss’s gland

b meibomian gland

C. Moll's gland

d. Henle's gland

d

Pinguecula is due to the infiltration of
a hyaline
b lipid
C. calcium
d. fatty acids
a

Bitot's spots are associated with

a vitamin A deficiency

b vitamin D deficiency

 c vitamin E deficiency

d all of the above

a

Most common conjunctival cyst is due to

a dilatation of lymph spaces

b implantation cyst

C. retention cyst

d. hydatid cyst

c

The association of keratoconjunctivitis sicca with rheumatoid arthritis is

a Reiter's syndrome

b Sjogren’s syndrome

C. Stevens-Johnson syndrome

d. Mikulicz's syndrome

b

Bilateral fat-like nodular area on nasal side is described as

a pinguecula

b pterygium

c phlycten

d pemphigoid

a

Dryness of eye is seen in all EXCEPT

a vitamin A deficiency

b keratoconjunctivitis sicca

c trachoma stage IV

d Horner's syndrome

d

The following are the features of conjunctival concretions EXCEPT

a calcification

b. palpebral location

C. age related

d. corneal abrasions


Deficiency of vitamin A can cause all EXCEPT

a xerosis

b keratomalacia

C. night blindness

d. dermoid

d

Herbert's pits are seen in

a trachoma

b heretic conjunctivitis

C. ophthalmia neonatorum

d. spring catarrh

a

All the following are serous acinous glands EXCEPT

a Krause's glands

b meibomian gland

C. lacrimal glands

d. salivary gland

b

Follicles are not seen in which of the following

a spring catarrh

b trachoma

c adenovirus conjunctivitis

d streptococcal conjunctivitis

a

a Blood vessels in a trachomatous pannus lie

b beneath the Descemet's membrane


in the stroma

C. between Bowman's membrane and stroma.

d. between Bowman's membrane and epithelium

d

Cobblestone appearance of the conjunctiva is seen in

a spring catarrh

b angular conjunctivitis

C. eczematous conjunctivitis

d. trachoma

a

The HP inclusion bodies in trachoma are

a intranuclear

b intracytoplasmic

c both

d none

b

Sequelae of trachoma include

a pseudoptosis

b cicatricial entropion

C. trichiasis

d. all of theove

d

An important complication of trachoma is dry eye due to:

a Fibrosis of the palpebral conjunctiva affecting the meibomian glands.


b Healing of the pannus affects the goblet cells.


c Fibrosis of upper fornix affects the accessory lacrimal glands.


d Atrophy of the main lacrimal gland.


c


Tranta spots are tiny white spots present on the limbus in:

a Healed trachomatous pannus.

b Active trachomatous pannus.

c Bulbar spring catarrh.

d Palpebral spring catarrh.

c

Phlyctenular conjunctivitis is treated by:

a Topical antibiotics.

b Topical steroids.

c Topical sulphonamides.

d Antiviral eye drops.

b
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