Dr David Robert Grimes looks at the eye health issues that are making the news.
Lenses ‘zoom’ on command
Scientists at the University of California San Diego have developed a soft tunable lens that automatically shifts focal length when the wearer blinks twice (Li et al, 2019).
The basic principle behind this technology is electrooculography: the measuring of corneo-retinal standing potential between the front and the back of the eye. This changes in known ways when the eyes move in different directions, and typically a pair of electrodes attached to the face can then ascertain which way the eye is moving, and whether blinking has transpired.
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The College of Optometrists and The Association of Optometrists (AOP) warn the current self-declaration system puts more lives at risk of death or injury.
The UK Eye Care Data Hub, the most up-to-date and comprehensive model of the UK’s eye care workforce and eye diseases in one place, has been expanded to almost double the number of eye conditions and update aspects of the sector workforce data.
