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Why is it necessary to receive a new flu vaccine each year?
Palpebral Conjunctiva
Conjunctiva that covers the inner surface of the eyelids.
Anterior Sclera
The front part of the sclera, the white outer coating of the eyeball, visible when looking at the eye.
Eyelids
Thin folds of skin that cover and protect the eye; they help to spread moisture (tears) over the surface of the eye when blinking.
Retina
The light-sensitive layer of tissue at the back of the inner eye, responsible for converting light into neural signals for visual recognition.
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