Interesting oncept for an eyeglass tray from Fiona Carswell using thermochromatic ink and a pressure sensor.
When the glasses are in the tray, the eye chart appears in focus. When the glasses are removed, it appears blurry.
Interesting oncept for an eyeglass tray from Fiona Carswell using thermochromatic ink and a pressure sensor.
When the glasses are in the tray, the eye chart appears in focus. When the glasses are removed, it appears blurry.
