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Other Sep 4, 2019

3 Brazilian groups win major science prize for eyesight work

Three Brazilian organizations are sharing a 1 million-euro ($1.1 million) prize from a Portuguese scientific foundation for their work treating millions of people with eyesight disorders.

Optics & Photonics Aug 27, 2019

Machine learning increases resolution of eye imaging technology

Biomedical engineers at Duke University have devised a method for increasing the resolution of optical coherence tomography (OCT) down to a single micrometer in all directions, even in a living patient. The new technique, ...

Optics & Photonics Aug 1, 2019

System to image the human eye corrects for chromatic aberrations

Researchers report a new imaging system that cancels the chromatic optical aberrations present in a specific person's eye, allowing for a more accurate assessment of vision and eye health. By taking pictures of the eye's ...

Evolution Jul 19, 2019

Novel mechanism of inheritance detected

Non-Mendelian, oligogenic inheritance could be an unrecognized and important element for occurrence of hereditary retinal degenerations (HRDs, comprising retinitis pigmentosa) which are caused by ultra-rare mutations and ...

Materials Science May 29, 2019

3-D printed artificial corneas similar to human ones

When a person has a severely damaged cornea, a corneal transplant is required. However, there are 2,000 patients waiting for the cornea donation in the country as of 2018, and they wait for six or more years on average for ...

Optics & Photonics Mar 22, 2019

Hears the pitch: Research team invents a new mode of photoacoustic imaging

Did you know that music and diagnostic imaging have something in common? Sounds have a lower or higher pitch depending on the size of the object that creates them. Tubas and double basses are big and produce deep low-pitch ...

Optics & Photonics Feb 4, 2019

Optical coherence tomography (OCT) – longer wavelengths can improve imaging depths

Optical coherence tomography (OCT) is a light-based imaging technique currently used in clinical diagnostics to examine organs in vivo. The technique uses interferometry; in which light reflected from an examined object combines ...

Optics & Photonics Dec 13, 2018

Researchers design technology that sees nerve cells fire

Scientists have plenty of ways to watch as individual neurons in a brain fire, sending electrical signals from one to the next, but they all share a basic problem. Each method, whether it involves electrical probes, chemical ...

Optics & Photonics Nov 20, 2018

A smartphone and new software could help save infants born preterm

Worldwide, preterm birth is a leading cause of death for children under five-years-old. A new algorithm combined with a handheld, smartphone-based device could aid health care workers in remote locations to estimate degrees ...

Bio & Medicine Nov 19, 2018

A major step toward non-viral ocular gene therapy using laser and nanotechnology

In January 2009, the life of engineer Michel Meunier, a professor at Polytechnique Montréal, changed dramatically. Like others, he had observed that the extremely short pulse of a femtosecond laser could make nanometre-sized ...

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