Which product design innovation first allowed individuals to easily monitor blood glucose levels at home without professional assistance?

The intersection of science and product design has led to groundbreaking innovations that have transformed our world. From laboratory equipment to consumer health devices, thoughtful design has made scientific tools more accessible, accurate, and user-friendly. This poll tests your knowledge about a famous scientific product design that changed how we approach personal health monitoring.

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The Ames Reflectance Meter (1970), which required a large drop of blood and took 60 seconds to provide results
The Hemo-Glucotest (1982), which used color-changing strips but required laboratory validation
The DigiMeter (1985), which was the first digital blood pressure monitor adapted for glucose testing
The QuickSense System (1991), which pioneered non-invasive glucose monitoring through skin sensors