Wearable Tech
Continuous Glucose Monitors: No More Finger Pricks for Millions
Next-generation CGM devices now offer real-time blood sugar readings with 98% accuracy, dramatically improving quality of life for people managing Type 1 and Type 2 diabetes.
How CGMs Work
Continuous Glucose Monitors use a tiny sensor filament inserted just under the skin to measure glucose in the interstitial fluid every few minutes. The data is transmitted wirelessly to a smartphone or dedicated reader, providing a real-time graph of glucose trends.
The 98% Accuracy Milestone
The latest generation devices have achieved mean absolute relative difference (MARD) scores below 8%, a clinical benchmark that rivals traditional finger-prick meters. This means patients can make insulin dosing decisions directly from CGM readings without a confirmatory finger stick.
Access and Insurance Coverage
Many insurance plans now cover CGMs for Type 1 and insulin-dependent Type 2 diabetes. Advocacy organizations like JDRF are pushing for expanded coverage. Programs from major device makers offer assistance for uninsured patients.