Visual Field Defects & Pathway Lesions — Topic Test
20 questions · exam mode (answers revealed at the end). 18 min suggested.
A 55-year-old woman on long-term chloroquine therapy for rheumatoid arthritis undergoes routine ophthalmological surveillance. Early toxicity is detected on Humphrey visual field testing showing a characteristic pattern. Which of the following best describes the earliest visual field defect in chloroquine maculopathy?
APeripheral constriction
BEnlarged blind spot
CParacentral scotoma
DAltitudinal field defect