Wear from 1hr after waking until sunset
Worn during the day, Daylights filter 75% of harmful blue light, reducing eye strain and screen fatigue while preserving the wavelengths that keep you alert.
Shop TrueDark and save ~30% by paying with HSA/FSA
TrueDark's junk light-locking lenses are HSA/FSA eligible through Truemed. Because you're using pre-tax dollars, qualified customers get more buying power on every pair.
+Terms and conditions apply. Not everyone may be eligible. Eligibility depends on individual health circumstances. Visit truemed.com for terms and conditions.
Here's how to unlock your benefits with Truemed
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Checkout
Find the Truemed logo during checkout. Exit the "Shop Pay" pop-up if prompted.
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Complete Health Assessment
Take a private health survey. A licensed provider will review your answers to determine eligibility.
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Make your purchase
Pay with your HSA/FSA card or a credit card. If you use a regular credit card, follow the guide included with your LMN to submit your purchase for reimbursement.
How does using my HSA/FSA save me money?
Because HSA/FSA funds are pre-tax, every dollar you spend on an eligible purchase goes further than a dollar of after-tax income. Normally, taxes come out of your paycheck first, and you buy the things you buy with whatever's left over. Qualified customers can skip that step and pay with pre-tax funds instead, often with a quick health screening or Letter of Medical Necessity.
*Illustrative only. Your actual tax rate and savings will vary.
Spending from
Bank Account
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$100 From your wages
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-$30 Paid in taxes*
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$70 Available to spend
Spending from
HSA or FSA
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$100 From your wagesNo Taxes!
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$100 Available to spend
Why TrueDark?
Screens, LEDs, and overhead lighting emit blue, green, and violet wavelengths that disrupt sleep, focus, and energy. TrueDark's three-lens system is built to filter each of those wavelengths at the right time of day.
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Filters fatigue, keeps focus. Daylights, daytime lenses.
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Supports natural melatonin release. Sunsets, evening lenses.
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EEG-verified brainwave shift. Beta to calm alpha or delta.
How our lenses work
From sunset until 60-30 min before bed
Sunsets use a gradient tint, darker at the top and lighter toward the bottom, blocking roughly 73–93% of green light. Green wavelengths are one of the strongest signals telling your brain to stay alert, so filtering them out is what starts telling your brain it's time to calm down for bed.
From 60-30 min until bedtime
Our flagship nighttime lens. Twilights block nearly 100% of blue, green, and violet light. In an EEG-verified study, they were shown to shift brainwaves from wired beta toward calm alpha or deep sleep delta.
EEG-VERIFIED
The only blue-light brand with a published EEG study showing Twilights shift brainwaves from wired beta toward calm alpha and deep sleep delta.
Peer-reviewed EEG data, referenced in TrueDark's clinical documentation.
NOT SURE WHERE TO START?
Take the 60-second Light Quiz to find your lens
Answer a few questions about your sleep, screen time, and schedule and we'll match you to the right Daylights, Sunsets, or Twilights.