Blue-light glasses have become popular because of their potential benefits for sleep, filtering light that may interfere with melatonin production. With the right lenses, these glasses can be effective allies in managing blue-light exposure, especially when using screens in the evening. In this guide, we’ll look at how to test blue-light glasses at home to make sure they provide the protection needed for better sleep quality.
Why Test Your Blue-Light Glasses?
Testing your glasses is important to make sure they effectively filter the light components that may interfere with sleep. Understanding the “melatonin disruption zone” can help you assess whether your glasses are working as intended. Simple tests can help you manage blue-light exposure more effectively.
Understanding Blue-Light Glasses
Blue-light glasses come in different tints, each designed to filter specific ranges of blue light. The best glasses for improving sleep are generally those with orange lenses, which block a significant portion of the blue-light spectrum that affects melatonin, potentially helping improve sleep quality (1).
- Clear lenses (computer glasses): Designed for daytime use, filtering approximately 25–30% of blue light to reduce eye strain from screens while maintaining color clarity.
- Yellow lenses (night-driving glasses): Filter approximately 65–70% of blue light and are suitable for nighttime driving, providing partial protection.
- Orange lenses (sleep glasses): These glasses block approximately 99.5% of the most disruptive blue wavelengths and are ideal for evening use to promote sleep.
- Red lenses: Often marketed as being more effective for improving sleep. Red lenses can filter similar amounts of blue light, but they may be less practical for everyday use because of their impact on visibility (2).
Test at Home
Below are some simple tests you can perform at home to determine how effective your glasses are:
- Official blue-light spectrum report: Before testing, obtain the manufacturer’s data on blue-light filtering so you can evaluate the glasses’ performance. High-quality brands provide this information.
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Blue-sky test (for computer glasses):
Find a clear blue sky and hold the glasses up toward it. If the lenses filter the recommended ~30% of blue light, the sky may appear slightly yellowish through the lenses. This indicates a reduction in blue-violet light in the spectrum (3).
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RGB color wheel test:
Put on the glasses and look at an RGB color wheel. Examine the blue section of the wheel; a high-quality lens should make the blue circle appear dark gray or black.
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Black-and-blue square test:
Put on the glasses and look at an image containing a blue square and a black square. The blue square should appear dark blue/black, indicating effective blue-light filtering (4).
How Do Blue-Light Glasses Help Improve Sleep?
The best sleep glasses, such as those with deep-orange lenses, effectively block the wavelengths most likely to interfere with sleep, potentially supporting better sleep quality. Recoverby Blue Light Night Sync glasses filter 99.5% of blue light while day Sync glasses block 75% of blue light
Summary
Effective testing can reveal how well your blue-light glasses block the potentially disruptive portion of blue light and support healthy sleep. To make informed purchasing decisions, always check the product’s filtering data and use reliable testing methods.
For reliable blue-light-blocking glasses designed with performance in mind, consider Recoverby blue-light glasses. Protect your eyes and improve your sleep quality with confidence.
Sources:
- Huang, K., et al. (2019). "The role of blue light in insomnia and circadian rhythm disorders." Chronobiology International. Link to Study.
- Hale, L., et al. (2018). "Blue light exposure and sleep quality: A systematic review." Journal of Clinical Sleep Medicine. Link to Study.
- Higgins, A. (2020). "Measuring the effectiveness of blue light glasses: Factors and methodologies." Optometry and Vision Science. Link to Study.
- Figueiro, M.G., et al. (2012). "Light Modulation of Mitochondrial Function." Journal of Clinical and Aesthetic Dermatology. Link to Study.