Q 81 A 36-year-old woman has tunnel vision in which she reports the same size area of perception regardless of how far from the testing screen the examination is performed. This history often indicates which of the following?
a. Retinitis pigmentosa
c. Conversion disorder
Q 82 A white reflex on examination of the optic fundus of an infant is most suggestive of which of the following?
b. Retinocerebellar angioma
c. Choroidal angioma
d. Primary congenital glaucoma
Q 83 A patient complains of having constant headaches involving the frontal region. Further examination reveals increased intraocular pressure. The pupil is dilated but, at the time of examination, there is little evidence of visual deficits. The likely diagnosis given to this person is that she has?
b. A tumor of the visual cortex or lateral geniculate nucleus
c. A tumor at the base of the brain impinging upon the optic chiasm
Q 84 The visual acuity of a patient is recorded to be 20/200. Which of the following best describes this measurement?
A The patient can read at 20 ft what the average person can read at 200 ft
B The patient can read at 200 ft what the average person can read at 20 ft
C The patient can read at 200 ft what the average person can read at 200 ft
D The patient can read at 20 ft what the average person can read at 20 ft
Q 85 A 30-year-old contact-lens wearer complains of 2 days of left eye pain and discharge with blurred vision. She immediately stopped using the contact lens at the onset of symptoms and began antibiotic drops left over from a previous eye infection. There is moderate conjunctival injection and a pinhole-corrected visual acuity of 20/40 on the left. Slit lamp shows an oval-shaped corneal abrasion with dense fluorescein uptake and a halo of white stromal infiltrate. The most likely infec- tive organism associated with this disorder is
(A) Herpes zoster
(B) Herpes simplex
Q 86 The most common form of retinal degeneration is?
a. Serous retinitis
b. Retinitis pigmentosa
c. Confluent drusen
d. Drug-induced retinopathy
Q 87 A 57-year-old woman with a history of diabetes mellitus and hyperthyroidism presents to the emergency room with a history of 2 days of vertical and horizontal diplopia. There is moderate orbital pain. On examination the patient’s left eye is deviated downward and outward. It can be passively moved medially and upward. The pupils both react normally.
The patient most likely has a(n)?
a.Third nerve palsy
b.Fourth nerve palsy
c.Sixth nerve palsy
Q 88 In Von Hippel Lindau Syndrome, the retinal vascular tumours are often associated with intracranial hemangioblastoma. Which one of the following regions is associated with such vascular abnormalities in this syndrome?
A. Optic radiation
B. Optic tract
Q 89 Crystalline deposits in the conjunctiva may be found in all except ?
c. Gold treatment
d. Contact lens wear