Ozawa Ophthalmology Hospital

What Ozawa Ophthalmology Hospital does

Ozawa Ophthalmology Hospital (小沢眼科内科病院) is a private Japanese medical corporation operating since 1909 as one of the country's oldest specialized ophthalmology institutions, headquartered in Mito, Ibaraki Prefecture. The hospital delivers a full spectrum of eye care - general ophthalmology, cataract, vitreoretinal and glaucoma surgery, pediatric ophthalmology, strabismus, myopia control, refractive surgery, and oculoplastic procedures - alongside an internal medicine department focused on diabetes and lifestyle disease management. Its core products are high-volume surgical services (8,126 cataract surgeries in 2025 ranked #1 nationally by Yomiuri Shimbun, plus 1,613 vitreous and ~1,358 glaucoma cases ranked #2), and a broadening self-pay premium portfolio including ICL and IPCL phakic intraocular lens surgery, multifocal intraocular lenses (Intensity, Evolve, Clareon Vivity, Mini WELL, LENTIS M plus), corneal cross-linking, orthokeratology, low-concentration atropine, red light therapy, and MiSight 1day contact lenses for pediatric myopia control. The technology backbone is built around third-party surgical and diagnostic platforms, notably ALCON's UNITY VCS combined cataract/vitreoretinal system (introduced December 2025), CENTURION and Constellation Vision Systems, Canon Xephilio OCT-S1 imaging, and Abbott FreeStyle Libre continuous glucose monitoring, supported by preferred-supplier relationships with STAAR Surgical, Rayner, CooperVision, Canon, and Abbott.

The business model is a hybrid of Japanese national health insurance (NHI) reimbursement for covered surgical and outpatient services and direct-pay premium services for refractive, multifocal, and myopia-control procedures. Insurance-covered volumes generate the bulk of patient throughput (~270,000 annual visits across the main hospital and four satellite clinics), while self-pay procedures (priced at ¥550,000 for ICL both eyes, ¥660,000-¥880,000 for IPCL both eyes, and various multifocal IOL selection fees) drive higher-margin revenue per case. The go-to-market is direct-to-consumer with referral support from a Regional Medical Cooperation Office and institutional network across Ibaraki and five neighboring prefectures, supplemented by TVer streaming, social media, community seminars, and earned media in outlets such as Yomiuri Shimbun and Weekly Asahi. Customer segments span general ophthalmology patients, chronic disease patients (notably diabetes with retinopathy complications), elective self-pay refractive and premium-lens candidates, and pediatric myopia-control families, served through a hub-and-spoke footprint of one 46-bed main hospital and four branch clinics (Gokencho, Omiya, Tomobe, Kamisu) - the second-largest inpatient capacity among Japan's ophthalmology specialized hospitals.

Name

Ozawa Ophthalmology Hospital

Legal name

Medical Corporation Kozawa Ophthalmology Internal Medicine Hospital (、医療法人小沢眼科内科病院)

Website

https://kozawa-ganka.or.jp

Company type

Private

Founded year

1909

Operating status

Operating

Headcount range

1–10 employees

Short description

Ozawa Ophthalmology Hospital is a 116-year-old private ophthalmology and internal medicine institution in Mito, Ibaraki Prefecture, Japan, performing Japan's highest-volume cataract surgeries (8,126 cases, nationally #1 in 2025) and offering premium refractive, multifocal IOL, and pediatric myopia-control services across one main hospital and four satellite clinics.

Ownership category

akta.pro rank

Product category

Ophthalmology Hospital Services

NAICS

Offices of Physicians (6211), Optical Goods Retailers (45613)

SIC

Services-Offices & Clinics Of Doctors Of Medicine (8011), Ophthalmic Goods (3851)

akta.pro primary industry

Ophthalmology Clinics (Medical & Surgical Eye Care) (HLAKAKAC)

akta.pro secondary industries

Ophthalmic Specialty Hospitals (HLAFAHAJ), Ophthalmology Surgery Centers (HLAFAIAF), Glaucoma Specialists (HLAKAKAG), Cornea, External Disease & Refractive Surgery (LASIK/PRK) (HLAKAKAF), Vision & Ophthalmic Diagnostic Centers (Optometry/OCT/Retinal Imaging) (HLAFAKAI)

Keywords

• Ophthalmology hospital services
• Cataract surgery
• Vitreoretinal surgery
• Refractive surgery
• Diabetes eye care

Headquarters

HQ city

Mito

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Insurance-Covered Medical Services: Standard medical services covered by national health insurance including cataract surgery, glaucoma treatment, vitreous surgery, diabetes care, and general ophthalmology. Revenue generated through national health insurance reimbursement system.
2. Self-Pay / Premium Services: Premium intraocular lenses (multifocal), refractive surgery (ICL, IPCL), corneal cross-linking, myopia progression treatments (orthokeratology, atropine, red light), cosmetic procedures, and vaccination services.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Ozawa Ophthalmology Hospital is a 46-bed specialty ophthalmology and internal medicine hospital in Mito, Japan, providing cataract surgery, vitreoretinal surgery, glaucoma surgery, retinal detachment repair, eyelid/lacrimal surgery, refractive surgery (ICL/IPCL phakic intraocular lens implants), and comprehensive myopia progression control (orthokeratology, low-dose atropine, red light therapy, MiSight contact lenses). It also provides integrated diabetes care with continuous glucose monitoring and ophthalmology coordination for diabetic retinopathy, plus ophthalmology health-check services across one main hospital and four branch clinics.

Product overview

Ozawa Ophthalmology Hospital operates as a comprehensive ophthalmology and internal medicine hospital offering surgical services, refractive procedures, myopia control treatments, and diagnostic services. The core surgical services include high-volume cataract surgery (8,126 cases/year ranked #1 nationally), vitreoretinal surgery (1,613 cases/year ranked #2 nationally), and glaucoma surgery (1,358 cases/year), performed using advanced ALCON UNITY® VCS technology. Refractive surgery options include ICL and IPCL phakic intraocular lens implants for self-pay patients. The hospital provides a comprehensive myopia progression control program combining orthokeratology, low-concentration atropine eye drops, red light therapy, and MiSight® contact lenses. Additional services include multifocal intraocular lenses (Intensity, Evolve, Clareon Vivity, Mini WELL, LENTIS M plus), corneal cross-linking, PreserFlo microshunt, and ophthalmology health check services. The hospital also operates four branch clinics across Ibaraki Prefecture.

Differentiator

Problem solved

Functional benefit

Products and services

• Cataract Surgery (白内障手術)
• Vitreoretinal Surgery (硝子体手術)
• Glaucoma Surgery (緑内障手術)
• Retinal Detachment Surgery (網膜剥離手術)
• Multifocal Intraocular Lens Implantation (多焦点眼内レンズ)
• ICL (Implantable Collamer Lens) Surgery
• IPCL (Implantable Phakic Contact Lens) Surgery
• Orthokeratology (オルソケラトロジー)
• Low-Concentration Atropine Eye Drops (低濃度アトロピン点眼)
• Red Light Therapy (レッドライト治療)
• MiSight® 1day Myopia Control Contact Lenses
• Corneal Cross-Linking (角膜クロスリンキング)
• PreserFlo® Microshunt Implantation
• Eyelid and Lacrimal Duct Surgery (眼瞼・流涙症手術)
• Ophthalmology Health Check / Dock (眼科ドック)
• Internal Medicine and Diabetes Care (内科診療)

Quantifiable outcome

• 8,126 cataract surgeries in 2025 - ranked #1 nationally
• +3 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• RAYNERcoreTechnology or Integration · 6 July 2026RAYNER manufactures intraocular lenses including RayOne Galaxy Spiral IOL. Director Tanaka received recognition as high-performance implanter for RayOne Galaxy. Hospital offers Clareon Vivity multifocal lens and other premium IOL options.
• MediicoreStrategic or Co-development Partner · 28 February 2026Medii operates consultation platform for difficult medical cases. Vice Director Ishikawa received Medii E Consul Award 2025 for thyroid eye disease expertise, recognized nationally for quality medical practice and difficult case consultations.
• CooperVision Japan (クーパービジョン)coreTechnology or Integration · 9 January 2026CooperVision manufactures MiSight 1day, Japan's first myopia-inhibiting soft contact lens. Vice Director Ishikawa completed required training and received prescription certification. Hospital authorized as prescription facility for MiSight.
• ALCON (Alcon Pharmaceuticals)coreTechnology or Integration · 25 December 2025ALCON supplies surgical equipment including UNITY VCS (combined cataract/vitreous surgery system), CENTURION Vision System, and Constellation Vision System. Hospital was second in Ibaraki Prefecture to introduce UNITY VCS. Unity VCS enables efficient cataract surgery with 48% reduction in ultrasound time and vitreous surgery with 30,000 cpm cutting rate.
• Japanese Society of Visual Function Nursing (日本視機能看護学会)coreStrategic or Co-development Partner · 10 November 2025Hospital serves as organizing committee for 42nd Japanese Society of Visual Function Nursing Academic Assembly to be held November 2026 at Mito Civic Hall. Hospital staff regularly present research and participate in society activities.
• Nakagawa Jun (井上眼科医院)minorStrategic or Co-development Partner · 27 March 2025Corneal specialist from Inoue Eye Hospital (Ibaraki) visits monthly as visiting physician for cornea transplant consultations and complex cornea cases.
• Abbott (アボット)coreTechnology or Integration · 25 December 2024Abbott manufactures FreeStyle Libre continuous glucose monitoring system used for diabetes patient management, enabling 24-hour blood glucose tracking without finger sticks.
• STAAR SURGICALcoreTechnology or Integration · 8 January 2023STAAR SURGICAL is the manufacturer of ICL (Implantable Collamer Lens) for refractive surgery. Hospital received KITA-KANTO Growth Champion Award 2025 for dramatic growth in ICL surgery volume. ICL surgery offered as self-pay procedure at ¥550,000 for both eyes.
• Canon (Canon Medical Systems)coreTechnology or Integration · 1 October 2020Canon supplies diagnostic imaging equipment including Xephilio OCT-S1 optical coherence tomography system used for detailed retinal and corneal examination.

Scale indicators10 records

Recent moves10 records

Expansion highlights6 records

Others

• Nidek Co., Ltd. Major Japanese manufacturer of ophthalmic and optometric equipment including surgical systems. Not a direct competitor but a key technology partner/supplier in the same ophthalmology ecosystem.
• STAAR Surgical (now part of Alcon): Manufacturer of ICL (Implantable Collamer Lens) for refractive surgery, a key technology partner of the hospital. Adjacent as an enabling technology provider rather than a direct competitor.

Direct peers

• Inoue Eye Hospital (井上眼科病院): One of Japan's oldest and most prominent ophthalmology specialty hospitals, also founded in the early 20th century with a long history of cataract and vitreoretinal surgery at scale. Directly comparable as a Japanese ophthalmology specialty hospital with similar surgical depth and referral patterns.
• Kobayashi Eye Clinic / Kobayashi Ophthalmic Hospital: A Japanese ophthalmology specialty clinic/hospital group with comparable surgical offerings including cataract and refractive surgery. Serves as a direct competitor in the Japanese specialty eye care market.
• Tane Memorial Eye Hospital (多根記念眼科病院): Osaka-based ophthalmology specialty hospital known for high surgical volumes and advanced cataract/vitreoretinal procedures. Comparable as another high-volume Japanese single-specialty eye hospital with similar service mix.

Broad incumbents

• Aier Eye Hospital Group (爱尔眼科): China's largest private ophthalmology hospital chain with thousands of surgeons and national scale. Comparable as a leading private specialty eye care provider, though operating in a different healthcare system.
• Singapore National Eye Centre (SNEC): Asia-Pacific specialty eye hospital with national-level surgical volumes across cataract, vitreoretinal, glaucoma, and cornea. Comparable in scale and clinical breadth as a leading specialty ophthalmology institution.

Regional players

• Hayashi Eye Hospital: Japanese ophthalmology specialty hospital serving a different regional market (Kansai area). Comparable business model (specialty eye hospital with insurance + self-pay mix) but does not compete directly in Ibaraki/Kanto.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCnOtq_x0hu6_4v3-GfFEQ0A
• Facebookfacebook.com/kozawa.eye.hospital
• Instagraminstagram.com/kozawa_eye_hospital

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries4 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 Ozawa Ophthalmology Hospital