This could be very useful if you want to know whether a new medication is working for a patient,” said study author C. Gustavo De Moraes, M.D., MPH, an associate professor of ophthalmology at Columbia University Medical Center. “You can see how their eye is reacting to the therapy in a much more meaningful way
The Triggerfish lens is made of the same silicon hydrogel as many of the soft contact lenses currently on the market, but embedded within it is a microprocessor and a strain gauge that encircles its outer edge. When fluid accumulates in the eye, the diameter of the cornea changes, and that change is picked up by the strain gauge. Data is processed and then transmitted via radio frequency to a receiver.