A group of British scientists from the University of Birmingham and the University of Glasgow have developed a liquid crystal lens prototype designed to protect people with photosensitive epilepsy. The research was published in the scientific journal magazine Cell Reports Physical Science (CRPS).
Lenses are controlled by slight changes in temperature. When activated, they can block almost all light in the 660-720 nm wavelength range; this is known to affect the largest number of patients with photosensitive epilepsy.
“The prototype shows how discrete circuits built into the frame of the glasses can power these lenses and how they can be used in situations where a certain wavelength of light could trigger an attack, such as watching TV or playing a video game. The circuit heats the lenses to a comfortable temperature for the wearer, which also causes the waveforms that can cause attacks.” “It cuts out more than 98% of light at a wavelength,” said co-author Professor Zubair Ahmed from the University of Birmingham.
The authors noted that the current version of the device maintains its functionality in rooms with temperatures up to 26°C. Warmer conditions will require additional improvements in technology. The team is also working to speed up lens mode switching.
Previous scientists to create Potential treatment for epilepsy may be found in the venom of the blind sea centipede.
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Source: Gazeta
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