Dioptics Medical Products

What Dioptics Medical Products does

Dioptics Medical Products, operating under its legal entity FGX International Inc. and consumer-facing brand Foster Grant, is a US-based, privately-held eyewear company founded in 1938 with more than 90 years of operating history. The company designs, markets, and distributes non-prescription eyewear — reading glasses, sunglasses, blue light glasses, fits-over and clip-on sunglasses — plus accessories such as travel cases, eyewear chains, and cords. Its underlying technology centers on lens engineering: polarized lenses with 100% UVA/UVB protection, scratch- and impact-resistant coatings, Multi Focus™ multi-focal reading lens technology, blue light filtering, SunReaders® (reading + sunglass hybrids), and specialized night-driving and sport lenses. The product architecture is organized by lens type and by a deep library of licensed sub-brands, including IRONMAN, Disney, Sofia Vergara, Love Island, Wicked (Universal Pictures), Sharper Image, Solar Shield, Haven, SUN LUV, Styles for Y.O.U., and Pop of Power Bifocal.

The company's revenue model is a unit-priced direct-to-consumer and retail sale of consumer eyewear, with accessories priced from $6.95 and premium frames reaching $52.95, supported by frequent promotional discounts (30% sitewide, Black Friday, Cyber Monday, and 40% off reading/sunglass categories) and a 90-day return/exchange policy with free shipping on orders over $45. Go-to-market is primarily direct-to-consumer e-commerce through fostergrant.com, augmented by physical retail stores, an eye doctor/optical retailer locator network, and active social media customer engagement (Instagram, Facebook, TikTok, YouTube). Target customer segments are horizontal — adults with presbyopia needing reading correction (typically 40+), prescription glasses wearers seeking sun solutions, digital device users seeking blue light protection, and outdoor/sport enthusiasts seeking polarized lenses — with no disclosed enterprise, B2B, or institutional customer concentration. The company is a private entity under FGX International Inc., a corporation domiciled in the USA serving primarily the US market.

Name

Dioptics Medical Products

Legal name

FGX International Inc.

Website

https://diopticssunwear.com

Company type

Private

Founded year

1938

Operating status

Operating

Headcount range

11–50 employees

Short description

Dioptics Medical Products (FGX International Inc.), operating as Foster Grant, is a US-based, 90+ year-old privately-held eyewear company that designs and sells non-prescription reading glasses, sunglasses, blue light glasses, and fits-over/clip-on eyewear directly to consumers through e-commerce, retail stores, and licensing-driven sub-brands.

Ownership category

akta.pro rank

Product category

Consumer Eyewear

NAICS

Optical Goods Retailers (456130), Optical Goods Retailers (45613)

SIC

Ophthalmic Goods (3851)

akta.pro primary industry

Reading Glasses (OTC) (CRAAAKAG)

akta.pro secondary industries

Sunglasses (Non-Prescription) (CRAAAKAB), Prescription Eyewear Frames (Optical) (CRAAAKAA)

Keywords

• Reading glasses
• Sunglasses eyewear
• Blue light glasses
• Polarized lenses
• Fits over sunglasses

Headquarters

HQ city

San Luis Obispo

HQ country

United States

HQ region

North America

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel, Technology or R&D

Revenue model

1. Eyewear Product Sales: Direct sales of reading glasses, sunglasses, blue light glasses, and accessories to consumers through e-commerce and retail channels. One-time purchase model with occasional promotional discounts (30% sitewide sales, Black Friday, Cyber Monday promotions).

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Dioptics Medical Products, operating the Foster Grant brand under FGX International Inc., designs, manufactures, and sells non-prescription reading glasses, sunglasses, blue light glasses, and fits-over/clip-on sunglasses directly to consumers through e-commerce, physical retail, and eye care professional channels. The portfolio spans multiple magnification powers (+1.00 to +3.50), polarized and specialty lens options, and licensed celebrity and entertainment collections.

Product overview

Foster Grant, a brand under Dioptics Medical Products (FGX International Inc.), offers a comprehensive eyewear portfolio spanning reading glasses, sunglasses, and blue light glasses. The product lineup includes core product categories (Fits Over Sunglasses, Clip-On Sunglasses, Reading Glasses, Sunglasses, and Blue Light Glasses) supported by multiple sub-brands and licensed collections including Foster Grant IRONMAN, Sofia Vergara x Foster Grant, Love Island x Foster Grant, Wicked x Foster Grant, Disney | Foster Grant, Sharper Image x Foster Grant, Solar Shield, Haven, and Foster Grant SUN LUV. Key lens technologies include Multi Focus progressive lenses, SunReaders (sunglass-readers), Polarized lenses, Blue Light filtering, and Night Driving lenses. The company has operated for over 90 years and offers a Frame Finder tool to help customers select eyewear. Accessories include travel cases, eyewear chains, and protective cases.

Differentiator

Problem solved

Functional benefit

Brands

• Solar Shield: Fits over and clip-on sunglasses brand offering UV protection
• Haven
• Multi Focus™
• SunReaders®
• Foster Grant IRONMAN®
• Foster Grant SUN LUV®
• Styles for Y.O.U.™
• Pop of Power®

Products and services

• Foster Grant Reading Glasses

Quantifiable outcome

• 100% UVA-UVB protection on all sunglasses
• +2 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• IRONMAN (World Triathlon Corporation)coreOEM/ Whitelabel/ Licensing PartnerFoster Grant holds licensing rights to produce IRONMAN-branded eyewear including reading glasses and sunglasses. The IRONMAN x Foster Grant collection features sport-focused eyewear designs for athletes and active individuals seeking durable, performance-oriented sunglasses and reading glasses.
• DisneycoreOEM/ Whitelabel/ Licensing PartnerDisney x Foster Grant licensing partnership producing Disney-branded reading glasses featuring popular Disney characters and themes. The collection targets both adults and children with licensed eyewear designs.
• Sofia VergaracoreOEM/ Whitelabel/ Licensing PartnerCelebrity licensing partnership with actress Sofia Vergara for the Sofia Vergara x Foster Grant collection. Includes reading glasses, SunReaders, sunglasses, and blue light glasses featuring her personal style and brand aesthetic. Multiple product lines under this partnership.
• Love IslandminorOEM/ Whitelabel/ Licensing PartnerReality TV show Love Island x Foster Grant sunglasses collection featuring trendy, fashion-forward styles inspired by the show's aesthetic. Targets young adult consumers following fashion trends.
• Wicked (Universal Pictures)minorOEM/ Whitelabel/ Licensing PartnerWicked x Foster Grant licensing partnership for sunglasses featuring designs inspired by the Wicked musical/film. Cross-promotional collection targeting fans of the franchise.
• Sharper ImageminorOEM/ Whitelabel/ Licensing PartnerSharper Image x Foster Grant collaboration collection combining Foster Grant's eyewear expertise with Sharper Image's technology-forward brand positioning.
• Luxottica ( eyewear industry)Technology or IntegrationFGX International (parent company) references Luxottica of America in cookie/privacy policy notices. Luxottica is a major eyewear industry player; relationship appears to be operational/third-party rather than direct partnership.
• FGX International Inc.coreOthersFoster Grant is a brand owned and operated by FGX International Inc., a leading designer and marketer of eyewear products in North America. FGX International is the parent company providing corporate infrastructure, manufacturing, and distribution capabilities.

Scale indicators1 record

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• LensCrafters: LensCrafters is a large North American optical retail chain under Luxottica (the same corporate ecosystem referenced in Foster Grant's privacy policy). It offers prescription eyewear, sunglasses, and eye exams as a broad incumbent in optical retail rather than specializing in Foster Grant's OTC affordable niche.
• Sunglass Hut: Sunglass Hut is a global specialty retailer of non-prescription and prescription sunglasses owned by EssilorLuxottica. It is a broad incumbent in the sunglasses category where Foster Grant competes, but it focuses on premium fashion brands rather than Foster Grant's affordable, value positioning.
• Costco Optical: Costco Optical is an in-warehouse optical retail operation offering prescription glasses, sunglasses, and contact lenses at low prices as part of Costco's broader retail business. It competes with Foster Grant on affordability and convenience, though within a much broader membership retail ecosystem.

Direct peers

• GlassesUSA.com: GlassesUSA.com is an online eyewear retailer specializing in prescription glasses, sunglasses, contacts, and blue light glasses. It competes directly with Foster Grant in affordable D2C optical goods with broad catalog and frequent promotional pricing.
• EyeBuyDirect: EyeBuyDirect is an online eyewear retailer offering prescription glasses, sunglasses, and blue light glasses at value price points. It directly competes with Foster Grant on affordable online eyewear, with similar D2C mechanics and discount-driven merchandising.
• Warby Parker: Warby Parker is a direct-to-consumer eyewear brand selling prescription glasses, sunglasses, readers, and blue light glasses online and through retail stores. It competes head-to-head with Foster Grant in affordable, vertically-integrated D2C eyewear with try-at-home and omnichannel fulfillment.
• Zenni Optical: Zenni Optical is a leading online-only affordable eyewear retailer selling prescription glasses, sunglasses, and blue light glasses at low price points. It is one of the most direct competitors to Foster Grant's affordable eyewear positioning and e-commerce-first model.
• Readers.com: Readers.com is a dedicated online retailer of reading glasses in various magnifications and styles. It is one of the closest direct competitors to Foster Grant's core OTC readers category, sharing the same target segment (presbyopia adults) and e-commerce-first GTM.

Emerging players

• BluBlocker Sunglasses: BluBlocker is a sunglasses brand specializing in polarized and lens-technology-driven eyewear, with historical strength in DRTV and infomercial channels. It competes with Foster Grant's polarized sunglasses category with a similar value-price positioning and technology-forward lens narrative.
• Peepers Eyewear: Peepers Eyewear is a DTC reading glasses and blue light glasses brand focused on fashion-forward, affordable eyewear for women. It overlaps with Foster Grant on readers and blue light categories with a more style-positioned, social-commerce-led approach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/fostergrantUSA
• YouTubeyoutube.com/user/fostergranteyewear
• Facebookfacebook.com/FosterGrant
• Instagraminstagram.com/fostergrant
• Pinterestpinterest.com/fostergrant1929
• TikToktiktok.com/@fostergrant
• LinkedInlinkedin.com/company/dioptics-medical-products-inc.

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Dioptics Medical Products