Retina Background

Bacteria that Live on Our Eye Helps Protect Against Infection

Submitted by pazm1 on Thu, 04/19/2018 - 17:51

For years researchers have known that the bacteria, fungus, and other microbes that live in and on our body are often beneficial for our health, but until now there has been no proof that there are any that lived in the eye. Scientists with the National Institutes of Health's National Eye Institute published a paper, in Immunity, on Corynebacterium mastididis (C. mast) which has been found to be a resident commensal bacteria in mice eyes.

Phase 1 Clinical Study for Stem Cell Derived Treatment for wet AMD

Submitted by keerthikurian on Mon, 04/09/2018 - 13:34

 Wet Age related macular degeneration (AMD) is an issue in which new blood vessels grow in the choroid layer (right outside of the retina). These blood vessels are weak and leak fluid which gets into the layers of the retina and macula. The macula is a pigmented area near the center of the retina. The macula is responsible for central vision.

What's on Sam's face?

Submitted by sdavidson on Sun, 04/08/2018 - 23:39

A few questions may come to mind when you see this picture and we’re here to answer them!

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What’s on Sam’s face?

Sam has electrodes on her face that are used to detect electrical signals.

Why is Sam measuring electrical signals on her face?

Vision Therapy and Convergence Insufficiency

Submitted by pazm1 on Fri, 03/30/2018 - 14:50

Vision therapy is eye focusing exercises that help eyes’ convergence ability, which is your eye’s ability to take the two images your eyes are sending to the brain and put them together and make a whole image. It is a treatment for children for a condition called convergence insufficiency. If you are wondering what an eye focusing exercise one example would be pencil push-ups. Pencil push-ups are when a person focuses on a small letter on the side of pencil. Then slowly move the pencil closer to your face until you see a double vision. At that point stop and start again.

The Evolution of Eye Placement

Submitted by lianarh on Thu, 03/01/2018 - 15:15

Across the world, there are an immense number of species that have all sorts of similarities and differences. There are many ways to categorize these species based on their attributes. You may notice that they can be categorized by whether their eyes appear on the sides of their head or on the front of it. For example, animals such as horses and goats have their eyes on the sides of their heads, where tiger and human eyes face forward. Have you ever wondered why this might be?

LASIK Eye Surgery

Submitted by spertsovsky on Mon, 02/19/2018 - 11:24

If you are dependent on glasses or contacts in order to lead your daily life, you might want to continue reading and learn more about a common surgical procedure called LASIK. It is used to treat myopia (nearsightedness), and hyperopia (farsightedness), along with astigmatisms (irregularly curved cornea). Each of these conditions lead to reduced vision function. The LASIK procedure is done to reshape the cornea in order to properly focus light onto the retina for clearer vision, with the use of a specialized laser.

How Your Brain Sees the World

Submitted by lianarh on Sun, 02/11/2018 - 13:52

When light hits the retina, signals are sent downstream into the brain. They follow a pathway that leads into the visual cortex, where they can be interpreted.  The neurons that follow this pathway are highly organized in such a way that provides a retinotopic map that can be followed from the retina all the way to the visual cortex. Retinotopic map refers to the traceable organization of these neurons.

Putting Vision Monitoring in the Hands of Patients

Submitted by keerthikurian on Fri, 02/02/2018 - 16:12

Digital health technology is an ever-growing field in this day and age. Companies have developed technologies to monitor physiologic data regarding blood sugar levels, nutritional trackers, sweat monitors, and more. The idea that you can conduct tests easier, faster, and in the comfort of your own home piques the interest of both physicians and patients.