Frame 108
$200Horn Mix Day Lens
Block blue light from screens & artificial light.
Filter artificial blue light during work and screen time. Yellow day lenses offer spectrometer-tested filtering in beautifully handcrafted natural buffalo horn frames.
Shop Day GlassesHandcrafted buffalo horn frames.Every pair unique by nature.
Day Lens / Buffalo Horn Frames
Spectrometer verifiedBlocks 90% of blue-green light up to 480 nm
For work & screen timeFilter blue light from screens & LEDs
Natural horn, not plasticHandcrafted buffalo horn · Every pair is unique
Choose your blue light blocking glasses
“The absolute best glasses I've ever owned. Highly recommend”
“They’re light and comfortable.”
Want both lenses? Build a Day + Night set and save $30 ↓
Frame 108
$200Horn Light Mix Day Lens
Frame 432
$200Horn Dark Mix Day Lens
Frame 432
$200Horn Light Mix Day Lens
Frame 137
$200Horn Mix Day Lens
Frame 137
$200Horn Light Mix Day Lens
Frame 144
$200Horn Dark Mix Day Lens
Frame 144
$200Horn Light Mix Day Lens
Frame 369
$200Horn Dark Mix Day Lens
Frame 369
$200Horn Light Mix Day Lens
Frame 555
$200Horn Dark Mix Day Lens
Frame 555
$200Horn Light Mix Day Lens
Frame 273
$200Horn Mix Day Lens
Frame 273
$200Horn Light Mix Day Lens
Frame 528
$200Horn Dark Mix Day Lens
Frame 528
$200Horn Light Mix Day Lens
Frame 963
$200Horn Dark Mix Day Lens
Frame 963
$200Horn Light Mix Day Lens
CHOOSE YOUR LENS
Less blue light from screens & indoor lighting.
Yellow day lenses are designed for daytime screens and artificial indoor lighting. Wear them while working, using your laptop, or spending time under LEDs.
SPECTROMETER TESTED90% blue-green light filtering up to 480 nm
Protect your circadian rhythm. Support your sleep.
Block blue light from screens and indoor lighting after sunset. Spectrometer-tested red-orange lenses help you block disruptive artificial light as you wind down for sleep.
Shop Night GlassesHandcrafted buffalo horn frames.Every pair unique by nature.
Night Lens / Buffalo Horn Frames
Spectrometer verifiedBlocks 99%+ of blue-green light, 380–540 nm
For your evening wind-downFilter artificial light after sunset
Natural horn, not plasticHandcrafted buffalo horn · Every pair is unique
Choose your blue light blocking glasses
“Really helpful for winding down at night! Great design. They’re light and comfortable.”
“The absolute best glasses I've ever owned. Highly recommend”
Want both lenses? Build a Day + Night set and save $30 ↓
Frame 108
$200Horn Mix Night Lens
Frame 108
$200Horn Light Mix Night Lens
Frame 432
$200Horn Dark Mix Night Lens
Frame 432
$200Horn Light Mix Night Lens
Frame 137
$200Horn Mix Night Lens
Frame 137
$200Horn Light Mix Night Lens
Frame 144
$200Horn Light Mix Night Lens
Frame 144
$200Horn Dark Mix Night Lens
Frame 369
$200Horn Dark Mix Night Lens
Frame 369
$200Horn Light Mix Night Lens
Frame 555
$200Horn Dark Mix Night Lens
Frame 555
$200Horn Light Mix Night Lens
Frame 273
$200Horn Mix Night Lens
Frame 273
$200Horn Light Mix Night Lens
Frame 528
$200Horn Light Mix Night Lens
Frame 528
$200Horn Dark Mix Night Lens
Frame 963
$200Horn Light Mix Night Lens
Frame 963
$200Horn Dark Mix Night Lens
CHOOSE YOUR LENS
Protect your circadian rhythm. Support your sleep.
Red-orange night lenses are designed for use after sunset, when screens and indoor lighting extend artificial light into your evening.
Wear them while reading, watching TV, or putting the day behind you.
SPECTROMETER TESTED99%+ blue-green light filtering, 380–540 nm
DAY + NIGHT
One for work. One for sleep.
Build your set and save $30 on any two glasses.
A forgotten natural material.
Crafted from genuine buffalo horn, these frames are shaped, polished, and finished by hand - not molded from plastic.
Horn: Nature's Plastic
The earliest known eyewear was crafted from horn or bone - long before modern plastics existed. These materials were chosen for their durability, comfort, and natural feel against the skin.
Unlike synthetic frames, horn is warm to the touch, lightweight for comfort, and strong for a perfect fit.
Every frame is one-of-a-kind from nature with varying coloration, grain, and translucence - every pair is unique.
Every pair is unique
Natural buffalo horn varies in color, grain, and translucence. Choose your preferred tone; each pair has its own pattern.
Horn Mix Light
Majority light tones from white to beige, from opaque to translucent, with a varying amount of darker coloration.
Horn Mix
Medium tones dominate, from browns and greys to tans or translucent amber. Often with hits of light or dark contrast.
Horn Mix Dark
Mostly dark tones, typically near-black, with varying marbling and striations of medium tones or translucence.
What customers are saying
My experience with Rhizal has been amazing. The shipping was faster than expected. I also like to read all the emails I get about earthing or grounding. I am new so these things are highly appreciated. Thank you
So far so good - I have extremely wide feet and most shoes cause considerable pain. EEE width. These fit and fit well I did order an 11 when I wear a 10.5 US.
They fit well and I believe I could run in them if needed. They are snug. My one complaint would be the height of the sole. It's maybe 1/2 likely less. Which is fine in dry weather but in any puddles over 1/2 inch or so I am flooded. But so far so great!
Great communication and product arrived as described. Very professional encounter and would purchase from Rhizal again!
The yellow tinted lenses are perfect for indoors when the lighting is a little dim, or just blocking out that unnecessary bright light from indoors. Versatile lenses, I personally wear them at night when driving for work, especially when every car on the road has LED lights that make you look away. No longer have to do that with these lenses.
The frames are hard to explain. They feel natural, they are the comfiest frames I’ve had. Just hug your face, and knowing they’re made of natural buffalo horn just adds to the comfort. I highly recommend rhizal yellow tinted glasses, as well as the red. I have one of each.
Honestly it took me a while to pull the trigger on buying these but they are so high quality and there is such a precise attention to detail all the way down to the magnetic case. I just could not be more grateful for this product.
The blue light blocking glasses made with handcrafted buffalo horns are on another level of being true to what rhizal is all about. Well made, sturdy, stylish and definitely works!
Overall my shopping experience was good. It was easy to order from the site. I got what I expected. The quality of the shoes is high. I will be a repeat customer.
I had a great shopping experience! The products were exactly as described, the quality was excellent, and everything arrived quickly. The entire process was smooth and hassle-free. I would definitely shop here again and highly recommend it to others!
Frequently asked questions
When should I wear them?
Use day lenses for daytime screen work and artificial indoor lighting. Choose night lenses for after sunset.
Why are the lenses yellow?
The tint comes from the wavelengths the lenses filter. The yellow day lens has a different filtering profile from the red-orange night lens. See the transmission test above for this lens.
Are the day and night frames the same?
Yes. Matching frame numbers use the same frame design and measurements. The lens color and filtering profile change. Check each product's size graphic to find your fit.
Will my pair look exactly like the photos?
Each frame is crafted from natural buffalo horn so coloration, pattern, and translucence varies. We categorize by color tone, but no two frames are exactly alike. Each frame shows off the one-of-a-kind beauty of the natural world.
For any concern around variation, you can verify and approve your exact frame immediately after placing your order by emailing info@rhizal.co
Are horn frames durable?
Yes. Buffalo horn is a strong, naturally resilient material that has been used in eyewear and tools for centuries. With basic care, horn frames are designed to last for years and can be maintained over time.
Is horn ethical?
Our frames are made from water buffalo horn - the same animal used widely in leather goods, including our shoe outsoles. The horn is a natural byproduct of the food and leather industries and would otherwise go to waste.
We believe in using the whole animal, minimizing waste, and choosing natural materials over petroleum-based synthetics. For us, honoring the full animal is far better than synthetic pollutants.
What if they don’t fit?
Our frames are designed to fit nearly everybody. Some styles are larger or smaller, with exact measurements listed on each product page to help you choose confidently. For blue blockers, "too big" can be perfect for more eye coverage. We offer one free US exchange if a different frame design is preferred. Returns are possible within 30 days for unused items.
How do I care for horn frames?
Occasionally hydrate the natural horn with a light coat of natural oil or tallow. Horn is made of keratin, like hair or fingernails, and can dry out over time. Occasional hydration will keep them in perfect condition for years to come.
Frequently asked questions
When should I wear them?
Wear night lenses after sunset, under indoor lighting or while using screens. Night lenses should not be worn while driving. Choose day lenses for daytime screen use.
Why are the lenses red-orange?
The tint comes from the wavelengths the lenses filter. The red-orange night lens filters a broader range than the yellow day lens. See the transmission test above for this lens.
Are the day and night frames the same?
Yes. Matching frame numbers use the same frame design and measurements. The lens color and filtering profile change. Check each product's size graphic to find your fit.
Will my pair look exactly like the photos?
Each frame is crafted from natural buffalo horn so coloration, pattern, and translucence varies. We categorize by color tone, but no two frames are exactly alike. Each frame shows off the one-of-a-kind beauty of the natural world.
For any concern around variation, you can verify and approve your exact frame immediately after placing your order by emailing info@rhizal.co
Are horn frames durable?
Yes. Buffalo horn is a strong, naturally resilient material that has been used in eyewear and tools for centuries. With basic care, horn frames are designed to last for years and can be maintained over time.
Is horn ethical?
Our frames are made from water buffalo horn - the same animal used widely in leather goods, including our shoe outsoles. The horn is a natural byproduct of the food and leather industries and would otherwise go to waste.
We believe in using the whole animal, minimizing waste, and choosing natural materials over petroleum-based synthetics. For us, honoring the full animal is far better than synthetic pollutants.
What if they don’t fit?
Our frames are designed to fit nearly everybody. Some styles are larger or smaller, with exact measurements listed on each product page to help you choose confidently. For blue blockers, "too big" can be perfect for more eye coverage. We offer one free US exchange if a different frame design is preferred. Returns are possible within 30 days for unused items.
How do I care for horn frames?
Occasionally hydrate the natural horn with a light coat of natural oil or tallow. Horn is made of keratin, like hair or fingernails, and can dry out over time. Occasional hydration will keep them in perfect condition for years to come.
