What Tomey does

Tomey Corporation is a privately held Japanese manufacturer and distributor of ophthalmic diagnostic instruments, headquartered in Nagoya, Aichi, and operating under four stated principles: Technology, Communication, Education, and Service. The company traces its operational history to 1971 (Tomey Sangyo) and was formally incorporated in October 2000, with wholly-owned subsidiaries in Germany (Tomey GmbH, est. 1991) and China (Tomey Wuxi Medical Instruments Co., Ltd., est. 2002). Its product portfolio includes the CASIA2 cornea/anterior segment OCT, OA-2000 optical biometer, EM-4000 specular microscope (FDA-approved January 2018), TMS-4N/TMS-5 corneal topographers, UD-800 ultrasonic A/B scanner, RT-7000 auto ref-topographer, FT-1000 tonometer, TL-7000/TL-3000C lensmeters, and additional examination support devices such as phoropters, slit lamps, chart projectors, perimeters, and electrophysiology units; the company also distributes Rodenstock-branded optical instruments (ALINO, CX 800, CX 2000, REM 4000).

The company sells primarily through a network of more than 25 authorized medical equipment distributors across the Americas, Europe, Asia, Africa, and Oceania, complemented by six direct domestic sales offices in Japan (Nagoya HQ/factory, Sendai, Tokyo, Osaka, Fukuoka, Hiroshima), a regional engineering and R&D site in Nagoya (Biwajima Technical Center, opened May 2021), and a European subsidiary in Nuremberg. Tomey maintains ISO 9001 (1998), ISO 13485 (2003), and MDSAP (2019) certifications. Its marketing is anchored by participation in major international ophthalmology congresses (ASCRS, ESCRS, AAO, APACRS, WOC) and by five TOMEY FORUM interactive showroom/training facilities in Japan.

Revenue is generated almost entirely through hardware sales of ophthalmic diagnostic devices; pricing is not publicly disclosed and requires PRO+ portal registration. Customers are ophthalmologists, optometrists, and authorized distributors, served via an enterprise field-sales motion. The specular microscope sub-segment in which Tomey competes is globally valued at US$44.53M in 2025 (projected to US$54.24M by 2032), with Tomey, Konan, and Topcon collectively holding approximately 53% combined revenue market share; Tomey is also identified as one of 8 leading companies in the electronic keratometer market.

Name

Tomey

Legal name

Tomey Corporation

Website

https://tomey.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

11–50 employees

Short description

Tomey Corporation is a privately held Japanese manufacturer and distributor of ophthalmic diagnostic instruments (OCT, biometers, specular microscopes, topographers, tonometers), serving ophthalmologists, optometrists, and authorized medical equipment distributors across more than 25 countries worldwide from its Nagoya headquarters.

Ownership category

akta.pro rank

Product category

Ophthalmic Diagnostic Instruments

NAICS

Ophthalmic Goods Manufacturing (339115), Surgical and Medical Instrument Manufacturing (339112)

SIC

Surgical & Medical Instruments & Apparatus (3841)

akta.pro primary industry

Refractive Diagnostics & Biometry (Autorefractors, Keratometers, Topography/Tomography, A-Scan/Optical Biometry) (HLAHAJAA)

Keywords

• Ophthalmic diagnostic instruments
• Optical coherence tomography
• Specular microscopy
• Corneal topography
• Optical biometry

Headquarters

HQ city

Nagoya

HQ country

Japan

HQ region

Asia

Offices13 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Medical Device Sales: Sale of ophthalmic diagnostic instruments including OCT systems, specular microscopes, corneal topographers, biometers, autorefractors, tonometers, lensmeters, and other examination devices. Products are sold through direct sales offices and a global distributor network.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Tomey designs, manufactures and globally distributes specialised ophthalmic diagnostic instruments used by eye-care professionals to detect, measure and manage eye disease. The portfolio spans optical coherence tomography (OCT), optical and ultrasound biometry, specular microscopy, corneal topography, auto refraction/keratometry, multifunction diagnostic units, tonometry, lensmetry, slit-lamp examination, perimetry, electrophysiology and refraction testing. Devices are manufactured at the company's Nagoya factory and sold through six Japanese sales offices, the Tomey GmbH European subsidiary, and an authorised distributor network covering the Americas, Europe, Asia, Africa and Oceania.

Product overview

Tomey Corporation is a manufacturer and dealer of ophthalmic diagnostic instruments based in Nagoya, Japan. The company operates under four core principles: Technology, Communication, Education, and Service. Tomey's product portfolio consists of specialized diagnostic instruments for ophthalmology, including OCT systems (CASIA2), optical biometers (OA-2000), corneal topographers (TMS-4N, TMS-5), specular microscopes (EM-4000), ultrasound devices (UD-800, AL-4000), autorefractometers/keratometers (RT-7000, RC-800, RC-5000), tonometers (FT-1000), lensmeters (TL-3000C, TL-7000), and examination support devices (phoropters, slit lamps, chart projectors, perimeters, electrophysiology units). The company also distributes Rodenstock-branded optical instruments (ALINO, CX 800, CX 2000, REM 4000). Tomey maintains a global distribution network spanning Americas, Europe, Asia, Africa, and Oceania, with subsidiaries including Tomey GmbH in Germany and Tomey Wuxi Medical Instruments in China. The company holds ISO 13485 and MDSAP certifications for quality management.

Differentiator

Problem solved

Functional benefit

Products and services

• CASIA2 Cornea / Anterior Segment OCT Non-contact, non-invasive optical coherence tomography device that captures high-resolution cross-sectional images of the cornea and crystalline lens for ophthalmologists performing anterior segment diagnostics and surgical planning.
• OA-2000 Optical Biometer Optical biometer that measures axial length, corneal curvature, anterior chamber depth and lens thickness in a single shot for cataract surgery planning and biometry calculations.
• MR-6000 Multifunction Unit Multifunction diagnostic unit combining refractive power (myopia, hyperopia, astigmatism), corneal curvature, intraocular pressure and corneal thickness measurement in one device.
• UD-800 Ultrasonic A/B Scanner and Pachymeter Compact all-in-one ultrasonic diagnostic platform with high-resolution B-scan and optional UBM, biometry, pachymetry and A-scan diagnosis capabilities for ophthalmic imaging.
• RT-7000 Auto Ref-Topographer Auto ref-keratometer that measures refractive power and corneal curvature while capturing the precise shape of the cornea for refractive and contact-lens practice.
• TMS-4N Corneal Topographer Corneal topographer for precise corneal mapping and analysis in ophthalmology and contact-lens practice.
• TMS-5 Corneal Topographer Advanced corneal topographer for corneal mapping and analysis to support refractive surgery planning and contact-lens fitting.
• EM-4000 Specular Microscope Specular microscope for examining the corneal endothelium and capturing specular reflection images, supporting diagnosis and monitoring of corneal endothelial disease.
• FT-1000 Tonometer Tonometer for measuring intraocular pressure as part of glaucoma screening and ongoing ocular hypertension management.
• TL-3000C Lensmeter Manual lensmeter for measuring the optical power of spectacle lenses in ophthalmic and optometric practice.
• TL-7000 Auto Lensmeter Automated lensmeter for measuring spectacle lens power, designed to speed up lens verification in busy ophthalmic and optometric practices.
• AL-4000 Ultrasound Biometer Ultrasound biometer for axial length measurement and biometric calculations used in cataract surgery planning.
• TMP-2000 Phoropter Phoropter used by ophthalmologists and optometrists to perform subjective refraction testing.
• TSL-5000 Slit Lamp Slit lamp for anterior segment examination of the eye.
• TCP-1000 Chart Projector Chart projector used for vision testing during refraction.
• AP-800 Perimeter Perimeter for visual field testing used in glaucoma screening and neurological assessment.
• EP-1000 Electrophysiology Device Electrophysiology device for visual evoked potentials and electroretinography testing.
• RC-800 Refractometer/Keratometer Combined refractometer and keratometer for objective refraction and corneal curvature measurement.
• RC-5000 Refractometer/Keratometer Combined refractometer and keratometer for objective refraction and corneal curvature measurement.

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Twelve partnerships are on record, tiered core and flagship.

• CBD Ophthalmic (USA)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in the United States, based in Phoenix, Arizona. Provides sales and support for Tomey ophthalmic diagnostic instruments in the US market.
• Clarion Medical Technologies Inc. (Canada)coreChannel Partner/ Reseller/ DistributorAuthorized Canadian distributor for Tomey products, based in Calgary, Alberta. Distributes Tomey ophthalmic diagnostic equipment throughout Canada.
• Tomey GmbH (Germany)flagshipChannel Partner/ Reseller/ DistributorEuropean subsidiary established in 1991, located in Nuremberg, Germany. Handles direct sales in Germany and provides service training for distributors across the global network. Office moved to new premises in November 2016.
• Vision Focus Co., Ltd (South Korea)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in South Korea, based in Seoul. Provides sales and support for Tomey ophthalmic diagnostic instruments in the Korean market.
• SKY Vision (China)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in China, based in Shanghai. Distributes Tomey ophthalmic diagnostic equipment in the Chinese market.
• PT. Pancaraya Krisnamandiri (Indonesia)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in Indonesia, based in Jakarta. Distributes Tomey ophthalmic diagnostic instruments in the Indonesian market. Exhibited at APACRS 2016.
• Ning Kwong Optical Co., Pte, Ltd. (Singapore)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in Singapore, based in Singapore. Distributes Tomey ophthalmic diagnostic equipment in the Singapore market.
• Paragon Care AustraliacoreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in Australia, based in Mount Waverley, Victoria. Distributes Tomey ophthalmic diagnostic instruments in the Australian market.
• Oftservice Com. Imp. e Serviços. (Brazil)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in Brazil, based in São Paulo. Distributes Tomey ophthalmic diagnostic equipment in the Brazilian market.
• LH Instrumental (Argentina)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in Argentina, based in Buenos Aires. Distributes Tomey ophthalmic diagnostic instruments in the Argentine market.
• My Healthskape Medicals Pvt Ltd. (India)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in India, based in Mumbai. Distributes Tomey ophthalmic diagnostic equipment in the Indian market.
• Taiwan Optical Co., Ltd. (Taiwan)coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Tomey products in Taiwan, based in Taipei. Distributes Tomey ophthalmic diagnostic instruments in the Taiwanese market.

Scale indicators4 records

Recent moves22 records

Expansion highlights4 records

Direct peers

• Topcon Corporation: Major Japanese manufacturer of ophthalmic and optometric diagnostic instruments, including OCT, refractors, keratometers, and biometers. Direct competitor to Tomey across nearly every product category and named alongside it in both the specular microscope and keratometer market leader lists.
• Heidelberg Engineering: German specialist in ophthalmic diagnostic imaging, particularly spectral-domain OCT and confocal laser imaging. Closely comparable to Tomey as a focused, technology-driven ophthalmic diagnostics company.
• NIDEK Co., Ltd. Japanese manufacturer of ophthalmic diagnostic and surgical equipment including OCT, autorefractors, keratometers, and tonometers. Directly comparable to Tomey's product portfolio and identified alongside it as a leader in the global electronic keratometer market.
• Luneau Technology: French manufacturer of ophthalmic instruments including autorefractors, lensmeters, and phoropters. Named alongside Tomey as a leader in the electronic keratometer market and competing directly across refraction and lens measurement categories.
• Haag-Streit: Swiss manufacturer of ophthalmic diagnostic instruments including slit lamps, tonometers, perimeters, and imaging systems. Comparable mid-sized specialty player competing with Tomey in clinical ophthalmic equipment.
• Costruzione Strumenti Oftalmici (CSO): Italian manufacturer of ophthalmic diagnostic instruments including corneal topographers, aberrometers, and slit lamps. Listed as one of eight leaders in the electronic keratometer market alongside Tomey, serving a similar specialty customer base.
• Konan Medical: Japanese specialist in specular microscopy and corneal endothelial cell analysis. Explicitly named alongside Tomey as one of three top players holding approximately 53% combined revenue share in the specular microscope market.

Broad incumbents

• Carl Zeiss Meditec: Large German incumbent in ophthalmic diagnostics and surgical solutions with a broad portfolio including OCT, biometry, perimetry, and surgical microscopes. Listed as one of eight leaders in the electronic keratometer market alongside Tomey, but with significantly larger scale and R&D capacity.

Emerging players

• Optopol Technology: Polish manufacturer of ophthalmic OCT and diagnostic imaging systems. Comparable to Tomey's CASIA2 product line as a focused anterior/posterior segment imaging player with international distribution.
• Canon Medical Systems: Japanese division of Canon active in ophthalmic diagnostic imaging including retinal cameras and OCT. Listed as one of eight leaders in the electronic keratometer market alongside Tomey, with selective overlap rather than full-line competition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries2 records

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 Tomey