What are the symptoms of optic neuritis?
A. Pain around the eyes
B. Vision loss
C. flashing or flickering lights
D. all of above
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Which of the following statements regarding the signs of optic neuritis is NOT correct?
A. anterior subcapsular opacification
B. edema and hyperemia of the optic disc
C. bleeding around disc margin
D. B & C
What are the key points to differentiate optic neuritis from AION?
A. The average onset age of AION is usually more than 50 years old and have a history of hypertension, diabetes or cardiovascular disease
B. Patients with AION present with sudden painless visual loss, while patients with optic neuritis complain of impaired vision for hours to days, and with pain on eye movement.
C. Visual field examination shows inferior altitudinal defect in AION, but we find central scotoma in optic neuritis.
D. All of above
Which of the following statements regarding the investigations of optic neuritis is NOT correct?
A. delayed latency in visual evoked potential
B. CT scan suggests demyelination of optic nerve.
C. On perimetry test, typical central or paracentral scotoma or even complete blindness in severe cases will be seen.
D. In the fluorescein fundus angiograph examination, disc leakage will be found
Which of the following signs you may not see in a patients with acute angle-closure glaucoma attack？
A. Shallow anterior chamber and closed-angle
B. glaucomatous flecks
C. macular exudation
D. corneal edema
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