Does wearing glasses impact SmartCap accuracy?

No. The SmartCap measures one thing, and one thing only – an individual’s ability to resist sleep while performing a task (i.e. while resisting sleep), determined from EEG measurements. Wearing glasses does not change the accuracy of SmartCap measurements. 

The wearing of good quality sunglasses, or correctly fitted prescription glasses, may however reduce eye strain, which can have a beneficial impact on your ability to resist sleep.

To be clear, the SmartCap data cannot indicate the presence of glasses or prescription eyewear; the SmartCap measures an individual’s ability to resist sleep, which is affected by a number of factors, one of which may be glasses.



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