NewRon wrote:the most significant gains observed in the blue part of the spectrum that is most susceptible to age-related decline.
Hi Aspenia,Aspenia 123 wrote:Does anyone have a link for the device he used? I was unable to open the paper and when I searched the internet I did not find a device meant to be looked at.
Improvement "up to 20% in some people" might mean two people improved 20% and 5 improved 2% and they were all under the age of 50. Stating that rod sensitivity "improved significantly in those around age 40 and over" suggest that a group ages 38-50 showed a non-statistically significant improvement--otherwise they would have shared the percentage. In my view, the study does not "show" that it's possible to improve vision in aged individuals, since it's unclear how many of the 24 people were actually "aged". (40 no longer counts as aged in my book!)For the study, 24 people (12 male, 12 female), aged between 28 and 72, who had no ocular disease, were recruited.Researchers found the 670nm light had no impact in younger individuals, but in those around 40 years and over, significant improvements were obtained.
Cone color contrast sensitivity (the ability to detect colors) improved by up to 20% in some people aged around 40 and over. Improvements were more significant in the blue part of the color spectrum that is more vulnerable in aging.
Rod sensitivity (the ability to see in low light) also improved significantly in those aged around 40 and over, though less than color contrast.
Professor Jeffery said: “Our study shows that it is possible to significantly improve vision that has declined in aged individuals using simple brief exposures to light wavelengths that recharge the energy system that has declined in the retina cells, rather like re-charging a battery.
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