Examlex
Which is a precursor to a pulmonary embolism?
Retina
The light-sensitive layer of tissue at the back of the inner eye, which transmits visual signals to the brain via the optic nerve.
Cornea
The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing most of the eye's focusing power.
Pupil
The adjustable opening in the center of the eye that allows light to enter and reach the retina, varying in size to regulate the amount of light intake.
Lens
A piece of transparent substance, usually glass or plastic, that refracts or focuses light rays, used in optical devices like glasses or cameras.
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