Which of the following is the first visual field defect in open-angle glaucoma?
ARing scotoma
BParacentral scotoma
CBitemporal hemianopia
DTunnel vision
What does a visual acuity test primarily assess?
AAbility to perceive light
BAbility to differentiate colors
CAbility to recognize shapes and details
DAbility to detect contrast
Which drug is generally contraindicated in the management of traumatic hyphema in a patient with sickle cell disease?
ATimolol
BSteroids
CAcetazolamide
DAtropine
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