The digital health space refers to the integration of technology and health care services to improve the overall quality of health care delivery. It encompasses a wide range of innovative and emerging technologies such as wearables, telehealth, artificial intelligence, mobile health, and electronic health records (EHRs). The digital health space offers numerous benefits such as improved patient outcomes, increased access to health care, reduced costs, and improved communication and collaboration between patients and health care providers. For example, patients can now monitor their vital signs such as blood pressure and glucose levels from home using wearable devices and share the data with their doctors in real-time. Telehealth technology allows patients to consult with their health care providers remotely without having to travel to the hospital, making health care more accessible, particularly in remote or rural areas. Artificial intelligence can be used to analyze vast amounts of patient data to identify patterns, predict outcomes, and provide personalized treatment recommendations. Overall, the digital health space is rapidly evolving, and the integration of technology in health

Thursday, May 28, 2020

A new artificial eye mimics and may outperform human eyes | Science News

A new artificial eye mimics and may outperform human eyes
The high-tech device boasts a field of view and reaction time similar to that of real eyes



The 'bionic eye' required several major innovations:

1.  The sensors were placed in a. manner identical to the human eye, giving it the ability to have a wide angle field of view, unlike flat sensors.  The human eye owes its wide field of view and high-resolution eyesight to the dome-shaped retina — an area at the back of the eyeball covered in light-detecting cells. Fan and colleagues used a curved aluminum oxide membrane, studded with nanosize sensors made of a light-sensitive material called a perovskite (SN: 7/26/17), to mimic that architecture in their synthetic eyeball. Wires attached to the artificial retina send readouts from those sensors to external circuitry for processing, just as nerve fibers relay signals from a real eyeball to the brain.2..

Crystals of perovskite on matrix



 Researchers are betting on a class of sunlight-absorbing materials called perovskites to improve today’s solar cells. A perovskite’s cagelike crystal structure (right) surrounds a chunky ion such as methyl­ammonium. The red, purple and orange balls are ions that can be varied so the material absorbs different wavelengths of light in its 3-D form (left).



Several unique manufacturing processes were necessary since the retinal light sensors (rods and cones) are intricately related to nerve fibers which connect to the brain.  Attaching the electrodes required a unique microapplication connection.


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