Apple is reportedly considering a radical redesign for the 20th anniversary iPhone that could feature a completely bezel-less ...

It lets them see the retina (which senses light and images), the optic disc (where the optic nerve takes the information to the brain), and blood vessels. It lets your doctor check for diseases ...

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Bilateral optic disc swelling is an important clinical sign that can reflect a variety of inflammatory, infectious, toxic, metabolic, genetic, or vascular conditions, such as hypertension.