A discussion of his situation led to the selection of the enVista Envy IOL. One month postoperatively, the patient achieved 20/20–2 vision bilaterally, with a small amount of myopia in the right eye ...
Live Science on MSN
Our adorable, noodle-like ancestor had 4 eyes, half-a-billion-year-old fossils reveal
The earliest recorded vertebrates had four eyes to escape predators in the ancient Cambrian ocean, according to half-a-billion-year-old fossils from China that shed light on our evolutionary origins.
The earliest ancestors of all backboned animals, including humans, may have viewed the world with four eyes, not just two.
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