Question
The below image shows Sago-grain appearance of the conjunctiva, it is seen in?
| A. |
Phlyctenular conjunctivitis
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| B. |
Xerophthalmia
|
| C. |
Trachoma
|
| D. |
Vernal keratoconjunctivitis
|
Show Answer
|
Correct Answer � C
Explanation
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|
Sago-grain appearance of the conjunctiva is seen in trachoma.
- It is caused by Chlamydia trachomatis A, B, Ba, C serotypes.
Clinical Features of Conjunctiva
- Upper tarsal and fornical conjunctiva are congested.
- Boiled sago grain like follicles are seen on upper tarsal conjunctiva and fornix are seen which is also referred to as conjunctival follicles.
- Papillary hyperplasia is seen on tarsal conjunctiva which gives it a velvety appearance.
- Conjunctival scarring develops.
- Hard looking whitish deposits of different sizes are know as concretion is found in upper palpebral conjunctiva.
Signs that are seen in Cornea
- Superficial keratitis in the upper part of the cornea.
- Herbert follicles are seen in the limbal area.
- Vascularisation of cornea i.e pannus:
- A corneal ulcer may be produced at the sites of pannus.
- Herbert pits are seen, which are circular pitted scars left after healing of herbert follicles
- Corneal opacity may develop in the upper part and may later extend to downwards involving pupillary area.
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