TheraSpecs® offer a range of lenses that filter different wavelengths of problematic light, so that you can live your life your way. With numerous lens options, lens strengths, and frame styles, TheraSpecs can be an essential addition to your personal light management plan if you have light sensitivity related to migraine, photophobia, concussions, seizures, and/or trouble sleeping.
Aconda wears FL-Pro in the Audrey style
Freedom in a Pair of Glasses
- Each of our specialty lenses is designed to target unique wavelengths of light, giving you a new ally for managing problematic lighting conditions
- TheraSpecs protect you from light wherever you are, giving you the freedom to explore, enjoy and engage without the interference of lighting
Wide-Ranging Protection
- Protect against disruptive lighting like screens, fluorescents and LEDs, flashing lights, harmful blue light, car headlights, and sunshine
- As part of your light management plan, TheraSpecs may help a variety of issues triggered or worsened by light, such as migraines, headaches, photophobia, concussion symptoms, photosensitive seizures, eye health, and sleep quality
Franks wears FL-Blend in the Winslow style
Lupe wears Z-Blue in the Lane style
Strong Foundation, Real Impact
We have reviewed decades of published, peer-reviewed research to create the best lenses for specific lighting conditions, all with the mission of delivering real impact for people with a wide range of needs.
TheraSpecs customers—living with a variety of light-sensitive issues like migraine, brain injury and concussion, photosensitive epilepsy, and more—rated TheraSpecs as 3X more likely to improve their symptoms when compared with blue-light filter eyewear they tried, according to our survey. This includes symptoms like:1
Headaches | Migraine attacks | Sensitivity to light | Eye strain, fatigue
See Research References →Loved by Customers, Recommended by Professionals
- 93% of TheraSpecs customers find our glasses helpful for a wide range of needs, and nearly four out of five would recommend TheraSpecs to a friend or colleague2
- TheraSpecs are frequently recommended by headache specialists, neurologists, physical and occupational therapists, and other medical professionals for light management
Tyler wears FL-Sun in the Quinn style
Mark wears Flex in the Fremont style
A Lens for Every Brain
- FL-Pro™: offers the strongest FL-41 protection for artificial lights and digital device screens
- FL-Blend™: balances FL-41 protection against screen and other artificial light with more natural color perception
- Z-Blue™: filters the most problematic wavelengths from flashing and/or repeating lights and patterns
- Flex: takes the edge off of harsh and/or bright light with a barely-visible tint
- Sleep: removes 100% of blue light and may help promote healthy sleep when worn before bedtime
- Contrast HEV™: may bring greater visual contrast and comfort for screens and bright light
- FL-Sun™: enhanced outdoor protection—the best sunglasses lens you've ever tried
Better Than Typical Glasses
Thoughtfully designed frames for maximum protection
- Dozens of stylish frames to suit your style and maximize your light management
- Lightweight, flexible frames minimize pressure on your face and can be adjusted for a perfect fit
- Many styles offer wraparound protection to also block light from the top and sides
Amanda wears FL-Blend in the Classic style
Greg wears Contrast HEV in the Mercer style
Customize Your TheraSpecs
- Multiple lens and lens strength options to fit your needs and lifestyle
- Available with non-prescription, prescription, and/or reader lenses
- We can also make lenses for just about any frame you send us
A Team that Cares
- Started by a husband wanting to soothe his wife's pain, we’ve made it our mission to deliver affordable, effective protection for troublesome lighting
- Responsive customer care team available by email, chat or phone
- Self-guided support via our Lens Assistant, FAQ and online Help Center
Odeen wears FL-Pro in the Conrad style
See What Customers Are Saying
"Thank you so much for giving me part of my life back. I have migraines very often, and seizures. TheraSpecs glasses allow me to go outside to walk my dog without the light affecting so much."
"I tried a new kind of lens, the blue ones, and it is a terrific addition to my eye protection. I look through them and everything relaxes in my vision and brain. My new favorite."
"Their options for those suffering with migraines and light sensitivity surpass other companies offering far more expensive alternatives. We have gotten great feedback on their newest FL-41 Blend option from our patients. Can't recommend their FL-41 products enough!"
Backed by Our 60 Day Return Guarantee
Try TheraSpecs today and experience a new level of protection from the light that may be giving you trouble. If you don’t absolutely love your glasses, you can return or exchange them within 60 days. See our full policy for details.
Research References
Filtering of 480-520nm (including FL-41 tint)
- Good PA, Taylor RH, Mortimer MJ. The use of tinted glasses in childhood migraine. Headache. 1991 Sep;31(8):533-6
- M. Tatsumoto, T. Eda, T. Ishikawa, M. Ayama, K. Hirata Light of Intrinsically Photosensitive Retinal Ganglion Cell (ipRGC) Causing Migraine Headache Exacerbation. IHC symposium OR3. 2013 June
- Wilkins AJ, Wilkinson P. A tint to reduce eye strain from fluorescent lighting? Preliminary observations. Ophthalmic Physiol Opt. 1991 Apr;11(2):172-5.
- Main A, Vlachonikolis I, Dowson A. Photophobia and phonophobia in migraineurs between attacks. Headache 1997 Sep;37(8):492-5
- Noseda R, Kainz V, Jakubowski M, Gooley JJ, Saper CB, Digre K, Burstein R. A neural mechanism for exacerbation of headache by light. Nature Neuroscience 2010 Feb;13(2):239-45
- Wilkins AJ, Nimmo-Smith I, Slater AI, Bedocs L. Fluorescent lighting, headaches and eyestrain. Lighting Research and Technology 1989 March;21(3) 1 11-18
- Herz NL, Yen MT. Modulation of sensory photophobia in essential blepharospasm with chromatic lenses. Ophthalmology. 2005 Dec;112(12):2208-11
- Blackburn MK, Lamb RD, Digre KB, Smith AG, Warner JE, McClane RW, Nandedkar SD, Langeberg WJ, Holubkov R, Katz BJ. FL-41 tint improves blink frequency, light sensitivity, and functional limitations in patients with benign essential blepharospasm. Ophthalmology. 2009 May;116(5):997-1001.
- Reyes N, Huang JJ, Choudhury A, et al. FL-41 tint reduces activation of neural pathways of photophobia in patients with chronic ocular pain. American Journal of Ophthalmology. 2023. doi:10.1016/j.ajo.2023.12.004.
Filtering of 580nm-640nm wavelengths
- Capovilla G, Gambardella A, Rubboli G, et al. Suppressive efficacy by a commercially available blue lens on PPR in 610 photosensitive epilepsy patients. Epilepsia. 2006;47(3):529-533. doi:10.1111/j.1528-1167.2006.00463.x.
- Checa-Ros A, Kasteleijn-Nolst Trenite D, Edson-Scott A, Carr B, Cerquiglini A, Seri S. Efficacy of color lenses in abolishing photosensitivity: Beyond the one-type-fits-all approach? Epilepsy & Behavior. 2021;124:108332. doi:10.1016/j.yebeh.2021.108332.
- Jackowski MM, Sturr JF, Taub HA, Turk MA. Photophobia in patients with traumatic brain injury: Uses of light-filtering lenses to enhance contrast sensitivity and reading rate. NeuroRehabilitation. 1996;6(3):193-201. doi:10.3233/nre-1996-6305.
Filtering below 455nm wavelengths
- Wolffsohn JS, Dinardo C, Vingrys AJ. Benefit of coloured lenses for age-related macular degeneration. Ophthalmic Physiol Opt. 2002;22(4):300-311. doi:10.1046/j.1475-1313.2002.00036.x
- Pérez-Carrasco MJ, Puell MC, Sánchez-Ramos C, López-Castro A, Langa A. Effect of a yellow filter on contrast sensitivity and disability glare after laser in situ keratomileusis under mesopic and photopic conditions. J Refract Surg. 2005;21(2):158-165. doi:10.3928/1081-597X-20050301-11
- van Kuijk FJ. Effects of ultraviolet light on the eye: Role of protective glasses. Environmental Health Perspectives. 1991;96:177-184. doi:10.1289/ehp.9196177.
Filtering of 100% of blue light below 500nm wavelengths
- Gladanac B, Jonkman J, Shapiro CM, et al. Removing short wavelengths from polychromatic white light attenuates circadian phase resetting in rats. Frontiers in Neuroscience. 2019;13. doi:10.3389/fnins.2019.00954.
- Mason BJ, Tubbs AS, Fernandez F-X, Grandner MA. Spectrophotometric properties of commercially available blue blockers across multiple lighting conditions. Chronobiology International. 2022;39(5):653-664. doi:10.1080/07420528.2021.2021229.
- Ayaki M, Hattori A, Maruyama Y, et al. Protective effect of blue-light shield eyewear for adults against light pollution from self-luminous devices used at night. Chronobiology International. 2016;33(1):134-139. doi:10.3109/07420528.2015.1119158.
Additional references
- 1Based on data collected via an email survey of TheraSpecs customers who self-identified as sensitive to light and had tried TheraSpecs as well as at least one other brand of blue light glasses.
- 2Based on internal data as of May 2024 of the number of customers who keep their TheraSpecs product instead of returning.
