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The MODERN KEITH Eyeglasses deliver classic square styling and practical features at a price that makes sense. These full-rim metal frames feature spring hinges and adjustable nose pads—two details that make a real difference in how glasses fit and last.
Built for Everyday Wear
The square metal frame suits a range of face shapes, from oval to round. Available in three finishes—Matte Brown, Gold, and Antique Silver—and three lens widths (54mm, 56mm, and 58mm), you can find the size and color that works for you. The full-rim construction provides solid lens security, while the metal build keeps the weight down. Adjustable silicone nose pads let you fine-tune the fit to your nose bridge, preventing the slipping and pressure points that plague fixed-bridge designs.
Spring Hinges That Flex
Spring hinges aren't just a nice-to-have—they're a durability upgrade. The built-in springs allow the temples to flex outward past 90 degrees, absorbing the stress that would otherwise snap a standard hinge. If you're hard on your glasses, or you just want a pair that won't break the first time you sit on them, spring hinges deliver. They also provide a gentler, more forgiving grip that reduces temple pinch during long wear.
Prescription-Ready and Affordable
These frames are ready for your prescription lenses—single vision, progressive, or bifocal. Modern Optical has been making value-oriented eyewear since 1974, and the KEITH is a solid example of their approach: straightforward design, functional features, and a price that lets you buy a backup pair without thinking twice. At this price point, you're getting adjustable nose pads and spring hinges—features often reserved for frames costing two or three times as much.
Product Details
Product DetailsModel
KEITHShape
Gender
Bridge Type
Rim Type
Age Group
Color Details
Color DetailsFrame Color
BrownColor Code
MTTBRWNColor Description
Matte Brown
Frame Color
GoldColor Code
GLDColor Description
Gold
Frame Color
BrownColor Code
MTTBRWNColor Description
Matte Brown
Frame Color
GoldColor Code
GLDColor Description
Gold
Frame Color
SilverColor Code
NTQSLVRColor Description
Antique Silver
Frame Color
GoldColor Code
GLDColor Description
Gold
Frame Color
SilverColor Code
NTQSLVRColor Description
Antique Silver
Frame Color
BrownColor Code
MTTBRWNColor Description
Matte Brown
Frame Color
SilverColor Code
NTQSLVRColor Description
Antique Silver
Size Details
Size DetailsBridge Width
16.00Temple Length
140.00Size
5416-140
Bridge Width
16.00Temple Length
140.00Size
5416-140
Bridge Width
16.00Temple Length
145.00Size
5616-145
Bridge Width
16.00Temple Length
150.00Size
5816-150
Bridge Width
16.00Temple Length
145.00Size
5616-145
Bridge Width
16.00Temple Length
145.00Size
5616-145
Bridge Width
16.00Temple Length
150.00Size
5816-150
Bridge Width
16.00Temple Length
150.00Size
5816-150
Bridge Width
16.00Temple Length
140.00Size
5416-140
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At Designer Optics, our skilled and experienced lab opticians play a crucial role in ensuring the quality and accuracy of your eyewear. With over 30 combined years of experience and full licensure, they review each prescription carefully and are equipped to answer any questions you may have.
Our state-of-the-art lab is equipped with the latest technology and equipment, including advanced edging and cutting technology, to produce lenses that are precise and accurate. Whether you need full frame or rimless lenses, our team is dedicated to providing the best possible results.
For personalized support, simply send an email to Support@designeroptics.com to request a call back from one of our friendly opticians.
Frequently Asked Questions
Are the MODERN KEITH eyeglasses prescription-ready?
Yes, the MODERN KEITH frames are fully prescription-ready and compatible with single-vision, progressive, and bifocal lenses. The full-rim metal construction provides secure lens mounting, and the frame dimensions accommodate a wide range of prescription strengths.
What are the benefits of spring hinges on eyeglasses?
Spring hinges allow the temples to flex beyond 90 degrees, making the frames more resistant to breaking and providing a more comfortable, secure fit. They reduce temple pinch during extended wear and are ideal for active lifestyles or anyone who needs durable everyday glasses.
Do these frames have adjustable nose pads?
Yes, the MODERN KEITH features adjustable nose pads that can be fine-tuned for a personalized fit. This is especially helpful for people with low or high nose bridges, as the pads prevent slipping and distribute weight evenly across the bridge to reduce pressure points.
What face shapes work best with square eyeglass frames?
Square frames like the MODERN KEITH complement oval, round, and heart-shaped faces by adding structure and balance. The clean lines and defined angles create a professional, modern look that works for both casual and business settings.
What sizes are available for the MODERN KEITH?
The MODERN KEITH is available in three lens widths: 54mm, 56mm, and 58mm, all with a 16mm bridge width. Temple lengths range from 140mm to 150mm depending on the size. This range covers medium to extra-large fits, accommodating most adult face sizes.
Is Modern Optical a quality eyewear brand?
Modern Optical, founded in 1974 and based in Roselle, Illinois, is known for value-oriented eyewear that delivers quality at affordable prices. The brand offers over 500 frame styles designed for adults, teens, and children, with a focus on practical features and accessible pricing.
Compare With Similar Frames
How the MODERN METALS KEITH Eyeglasses stacks up against the closest alternatives we carry.
- Similar price point under $50
- Metal construction
- Prescription-ready
- Still affordable under $70
- May offer different styling details
- Prescription-ready
Read the full comparison
MODERN KEITH vs. Aristar AR6102: Budget Metal Frames Compared
If you're shopping for affordable prescription eyeglasses under $50, the MODERN KEITH and Aristar AR6102 are both solid contenders. The MODERN KEITH starts at $30.29 and includes spring hinges and adjustable nose pads—features that enhance durability and comfort. Aristar AR6102, priced from $46.39, offers a similar metal construction and prescription-ready design from another established value brand.
The key advantage of the MODERN KEITH is its spring hinge system, which allows the temples to flex beyond 90 degrees. This makes the frames more resistant to breakage and provides a more forgiving fit—especially important if you wear your glasses all day or have an active lifestyle. The adjustable nose pads on the KEITH also give you more control over fit, preventing slipping and reducing pressure on the bridge of your nose.
Both frames deliver on the fundamentals: full-rim metal construction, prescription compatibility, and affordable pricing. If you prioritize flexibility and customizable fit, the MODERN KEITH offers more features at a lower price. If you prefer the Aristar brand or find a specific color or style you prefer in the AR6102, it's a comparable alternative in the same budget category.
When to Spend More: Club Level CLD9311
The Club Level CLD9311 at $69 represents the next tier up. While still affordable, it's more than double the price of the MODERN KEITH. Unless you're drawn to a specific design element or need features not available in the KEITH, the extra $40 may not deliver proportional value. For most shoppers looking for reliable, everyday prescription frames, the MODERN KEITH's combination of spring hinges, adjustable nose pads, and sub-$35 pricing is hard to beat.
At a Glance
Aristar AR6102 Eyeglasses
Pros:
- Similar price point under $50
- Metal construction
- Prescription-ready
- Established value brand
Cons:
- May not include spring hinges
- Fewer size options
- Less color variety than MODERN KEITH
Club Level CLD9311 Eyeglasses
Pros:
- Still affordable under $70
- May offer different styling details
- Prescription-ready
Cons:
- Higher price than MODERN KEITH
- Less well-known brand heritage than Modern Optical