Which of the following is true?
A. Infection of the lacrimal sac is a common disease that usually occurs in postmenopausal women.
B. Acute dacryocystitis is usually caused by Staphylococcus aureus andβ-hemolytic Streptococci.
C. The chief symptoms of acute dacryocystitis are tearing and purulent discharge.
D. Lavage or probing should be attempted in acute dacryocystitis to confirm diagnosis.
Which of the following is true?
A. The lower end of the nasolacrimal duct is the valve of Hasner
B. Complete patency of the valve of Hasner occurs before birth
C. Massage of the lacrimal sac is a means of rupturing the membranous blockage
D. For children over 3 months old with persistent congenital nasolacrimal duct obstruction, probing is indicated
Which of the following is true?
A. The major lacrimal gland is composed of a smaller orbital lobe and a larger palpebral lobe.
B. The accessory lacrimal gland produces the aqueous layer of the tear film.
C. The canaliculi pass vertically from the lid margin for about 8mm and then run horizontally for about 2mm to reach the lacrimal sac.
D. Lacrimal sac is about 10mm long and sits in the lacrimal fossa in anteromedial wall of the orbit.
Treatment for conjunctivitis include
A. Topical broad-spectrum antibiotics for bacterial conjunctivitis
B. Antiviral agents for adenoviral infection
C. Systemic steroids for membranous or pseudomembranous conjunctivitis
D. Cold compresses to relieve the symptoms
Which of the following is true?
A. Epidemic keratoconjunctivitis is caused mainly by adenovirus types 9, 19 and 37
B. The patient with epidemic keratoconjunctivitis may develop pain in the affected eye
C. Signs of conjunctival epidemic keratoconjunctivitis may include hyperemia, follicles, enlarged preauricular lymph nodes and pseudomembranes.
D. Epidemic keratoconjunctivitis may cause corneal lesion.
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