Bioprinting emerges in retinal applications at the NIH

Submitted by ryanthien on Sat, 02/04/2023 - 00:04

3D-printed applications in biology and medicine have risen dramatically in recent years, thanks in part to the preceding rapid advancements in 3D printing technology. In fact, in December 2022, researchers transplanted a 3D-printed ear constructed from stem cells into a woman who has microtia, a condition where a person’s ear may be partially or entirely missing.

Melanopsin Expressing Retinal Ganglion Cells and Neurodegenerative Disease

Submitted by palmergrabner on Fri, 02/03/2023 - 12:54

There are many different cells involved in the pathway that communicates the light detected by photosensors in the retina to the rest of the brain. One important group of cells sense light, but do not help us see: they are involved in other functions such as maintaining/resetting the circadian rhythm.

Behcet's Disease

Submitted by jacksonn1 on Mon, 01/30/2023 - 19:09

Behcet’s Disease (BD), or Silk Road Disease, is s systemic vascular disease that affects many different organ systems in the body. It generally causes an inflammation of blood vessels in the body, which can lead to various symptoms. It is commonly seen as a triad of oral aphthous ulcers, genital ulcers, and ocular disease. The overall cause of this disease is unknown, but some speculate that it is an autoimmune disorder where the body’s immune system attacks itself.

Retinal Cells Created in the Lab

Submitted by kaelynchang on Thu, 01/19/2023 - 11:06

As the light-sensitive layer at the very back of our eye, the retina is responsible for converting light that enters the eye into information that the brain can understand. The cells in our retina play an essential role in our ability to see colors, visualize shapes, and process light.

Is SMILE for me?

Submitted by ryanthien on Mon, 12/12/2022 - 23:21

When most people think of optical surgery, the only procedure that comes to mind is LASIK (Laser-Assisted in Situ Keratomileusis) surgery, a procedure where a laser is used to reshape the cornea of your eye (the dome portion).

Evil Eye and Opthamology

Submitted by maanavm on Sun, 12/11/2022 - 12:14

   In everyday society, when we hear that someone has given the evil eye to another person, we often associate it with bad luck or harm inflicted on another person due to someone else's cold stare. According to the Oxford English Dictionary, evil eye is a gaze or stare that causes material harm. According to an article from LiveScience, the supernatural harmful effects of the evil eye can range from minor misfortune to serious injury and/or disease to worse- death. Some symptoms of the evil eye include yawning, appetite loss, fever, and hiccups.

Diabetic Retinopathy

Submitted by maanavm on Sat, 12/10/2022 - 21:18

When most people think of diabetes, or the more specific scientific name diabetes mellitus, whether it be Type 1 or Type 2, the first idea that comes to mind is a condition where blood sugar levels are at high levels due to low insulin levels and difficulty processing sugars. In addition, diabetes is often associated with symptoms such as frequent urination, excessive thirst or hunger, changes in weight, and numbness and tingling. It affects various body systems and organs ranging from the heart to the kidneys to the lower extremities (legs and feet).

Astigmatism and Holiday Lights

Submitted by kaelynchang on Wed, 12/07/2022 - 09:37

As we approach the holiday season, dazzling lights and flashy decorations are bound to be placed across your environment. Whether placed around your home, your neighborhood, or your overall community, holiday lights are a common way to express cheerful spirit throughout the winter months.