Which of the following is true about blepharitis?
A. Staphylococcal and Seborrheic blepharitis usuallly present at the same time.
B. The patient may complain of irritation, burning and itching of the lid margins.
C. Scarring of the tarsal conjunctiva can be detected.
D. For anterior blepharitis, we need long-term low-dose systemic antibiotic therapy or weak topical steroids.
Which of the following is true about chalazion?
A. Chalazion is infection of the eyelid glands.
B. The main symptoms usually includes pain, redness and swelling of the lid.
C. If a chalazion is large enough to affect vision or for cosmetic reason, excision is indicated.
D. Meibomian gland carcinoma may mimic the appearance of chalazion.
Which of the following is true about hordeolum?
A. Hordeolum is infection of the eyelid glands.
B. The smaller and more superficial external hordeolum is an infection of meibomian gland.
C. Most hordeola are caused by staphylococcal infections.
D. A horizontal incision should be made on the conjunctival surface to avoid cutting across the meibomian glands.
Which of the following is true?
A. The function of orbicularis muscle is to open the eyelids.
B. The eyelids contain skin, fibrous layer and muscles.
C. The muscles of the eyelid include orbicularis oculi muscle, levator palpebrae superioris muscle and Müller’s muscle.
D. The meibomian gland in the eyelids produces an oily secretion to prevent tears from evaporating.
Chronic dacryocystitis is
Always secondary to obstruction of the canaliculi
B. Usually caused by Streptococcus pneumoniae infection
C. The patient usually has chronic epiphora and recurrent mucoid discharge
D. Redness, pain and swelling are present in the tear sac area
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