z-report
App tracks screen usage and location for Myopia research
The lack of spatial detail in man-made environments may lead to myopia
Indoor and urban environments have been shown to potentially cause myopia, but the reasons for this are unclear. Researchers, led by Daniel I. Flitcroft, MA, D.Phil (oxon,) MBBS, FRCOphth, of Children’s University Hospital, Dublin, collected and analyzed 191 images that represented a range of environments, from the natural world to mixed and man-made outdoor urban spaces to university dorm rooms. The results found that urban outdoor and indoor environments have spatial frequency characteristics that are similar to those of slightly defocused or blurred images.
Factors affecting Myopia progression.
“Our research shows that the lack of spatial detail in man-made environments is of the same degree as that created by filters that cause myopia to develop in animals’ eyes,” said Flitcroft. “Myopia may be an epidemic of our creation, and this data show how redesigning the visual elements of our environment may help to turn the tide on myopia incidence.”
Why microgravity distorts the vision of astronauts
Audacious Goal Initiative funds Regenerative Therapies for Blindness
Researchers give mice infrared vision. Want some?
Even with perfect vision, we’re actually blind in some ways. For example, many birds can see in the UV spectrum, and snakes can detect infrared But researchers from the University of Massachusetts Medical School and China’s University of Science and Technology are showing that (willing) humans can have an extra-normal vision, too. The research may also lead to vision-restoring therapies for people suffering from a variety of retinal diseases.
Mice see with nanoantennas
The researchers enabled a group of mice to see infrared light, a rarity among animals. The feat was accomplished by injecting tiny “nanoantennae” into the eyes and attaching them to photoreceptors with a lectin protein conjugated nanoparticle developed by the researchers.
The nanoantennae are fluorescent particles that glow green when illuminated by infrared light and the mice were able to see this glow as normal light. It’s important to note that the animals didn’t really see infrared light, but only green light and therefore their normal vision was not affected. This allows the animals to see the visible spectrum and also “image” in infrared at the same time.
I was able to do a sterile FLACS procedure due to the design and portability of the Ziemer Z8.
Sheri Rowen, M.D.
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