Tomey Corporation
Tomey Corporation is a Japanese manufacturer and dealer of ophthalmic diagnostic instruments headquartered in Nagoya.
Last updated September 15, 2026
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Overview
Tomey Corporation is a Japanese company that manufactures and deals in ophthalmic diagnostic instruments. Its headquarters are located at 2-11-33 Noritakeshinmachi, Nishi-Ku, Nagoya, Aichi-ken 451-0051, Japan, and the company was founded in October 2000. Yoshinobu Tanaka serves as President and Representative Director. The company's major products include the CASIA2 cornea/anterior segment OCT, the OA-2000 optical biometer, the MR-6000 multifunction unit, and the UD-800 ultrasonic A/B scanner and pachymeter.
History
Tomey Corporation's brief history lists several predecessor and related milestones: Tomey Sangyo was established in 1971; Toyo Medical was established in 1979; an Engineering Department was founded within Toyo Medical in 1985; sales offices in Sendai, Tokyo, Nagoya, Osaka and Fukuoka were established in 1987; Toyo Medical was renamed as TOMEY in 1991; Tomey GmbH (Germany) was established in 1991; ISO9001 certification was obtained in 1998; the headquarters was completed in 1999; and Tomey Corporation was established in 2000. Later milestones include the establishment of Tomey Wuxi Medical instruments Co., Ltd (China) in 2002, ISO13485 certification in 2003, the Tomey Nagoya Forum in 2012, office moves and new offices in Fukuoka, Tokyo, Osaka, Sendai and Hiroshima between 2013 and 2025, the establishment of Tomey Tokyo Forum and Tomey China Forum in 2014, Tomey Osaka Forum in 2016, a new Tomey GmbH office in 2016, MDSAP certification in 2019, a technical center in 2021, and Tomey Fukuoka Forum and Tomey Hiroshima Forum in 2023 and 2025 respectively.
Products and positioning
CASIA2
Cornea / Anterior Segment OCT. Measurement is made without contact, so non-invasive testing with less risk of infection is possible. CASIA2 is the latest testing device for capturing images of the lens and the corneal shape.
OA-2000
Optical Biometer. Measure the axial length, corneal curvature, anterior chamber depth and lens thickness with one shot.
MR-6000
Multifunction Unit. Measure refractive power (myopia, hyperopia and astigmatism), corneal curvature (roundness), intraocular pressure and corneal thickness in one unit. Also capture the precise shape of the cornea with one unit.
UD-800
Ultrasonic A/B Scanner and Pachymeter. The UD-800 is a compact all-in-one device with high resolution. In addition to the main B-scan, you can add UBM, Biometry, Pachymetry and A-Scan Diagnosis as options. Harmonic function is also available with B-Scan.
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