Examlex
Which of the following displays these two characteristics: nonrivalry and nonexcludability in consumption?
Astigmatism
A common imperfection in the eye's curvature causing distorted or blurred vision.
Optic Disk
The point of exit for the fibers of the optic nerve on the retina, lacking light-sensitive photoreceptor cells, thus creating the "blind spot".
Macula Lutae
A small, yellowish spot located near the center of the retina of the eye, responsible for high-acuity vision.
Fovea
A small depression in the retina where visual acuity is highest.
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