We will open our clinic all days through Bon Holidays.
Doctor’s schedule


Glaucoma is an eye disease that causes damage to the optic nerve, resulting in gradual and irreversible vision loss.
Although a large number of people suffer from glaucoma, many of them are unaware of it due to the lack of subjective symptoms.
Early diagnosis and treatment are necessary to prevent the progression of the disease as much as possible.
We have glaucoma specialists and instruments, and we are accepting a lot of glaucoma patioents.

Our instruments for treatment and examination for glaucoma

  • SLT (Selective Laser Trabeculoplasty)

    SLT (Selective Laser Trabeculoplasty)

    This treatment improves the flow and reduces intraocular pressure by using a laser onto the pigment cells that block the drain of aqueous humor.
    It is effective for open-angle glaucoma, and can lower the eye pressure by about 25%.*1

    The effect of this treatment dicreases in several years, but it can be performed repeatedly again.

    It can be done on a day, and it is considered for those who tend to forget or feel troublesome to apply eye drops, and who have difficulty in eye drop treatment due to side effects of medicines.

    *1 H Domack, V Schmidt.(2007, March 22) Pressure reduction after selective laser trabeculoplasty with two different laser systems and after argon laser trabeculoplasty–a controlled prospective clinical trial on 284 eyes. Retrieved from https://pubmed.ncbi.nlm.nih.gov/17385117/#affiliation-1

  • Goldmann Perimetry(GP)

    Goldmann Perimetry(GP)

    It can measure dynamic visual field. It is also used to check 180°view angle and can figure out the shape of overall view field.

  • DRI OCT Triton (Optical Coherence Tomography)

    DRI OCT Triton (Optical Coherence Tomography)

    It can examine the thickness of retina and nerve by ”Near‐infrared spectroscopy (NIRS)” and detect the nerve fiber layer defect.
    It can bring reliable judgment for follow-up and effect of medicines.

    DRI OCT Triton (Optical Coherence Tomography)
  • Humphrey Field Analyzer (HF)

    Humphrey Field Analyzer (HF)

    This is used to examine the center part of visual field in detail. This is suitable to diagnosis and follow-up of glaucoma.

  • Frequency doubling technology (FDT)

    Frequency doubling technology (FDT)

    Frequency doubling technology (FDT) is an instrument to determine field vision loss. It is easily used and has high sensitivity to determine the perimeter loss of vision of glaucomatous, retinal, neurological disorder patients.

Office hours






(no lunchtime.)


Our clinic is closed on 12/31, 1/1, 1/2, 1/3.


9th floor of Hulic Shinjuku Building,3-25-1, Shinjuku, Shinjuku-ku, Tokyo, 160-0022






Online appointment


Doctor career

Director:Yasuhiro Shinkawa

(Registered Recipient of a Diploma of Ophthalmology)


Japan Ophthalmological Society
Japanese Retina and Vitreous Society
Japanese Society of Ophthalmic Surgeons

Certification of Completion

Course of Ophthalmic PDT Study Group
Number of cataract surgery up to the present:About 4000


2001 Graduate-Medical Department of Kumamoto University
2002 Department of Ophthalmology Kyoto University School of medicine
2002 Shimada Municipal Hospital
2008 Japanese Red Cross Society
2010 Kitano Hospital The Tazuke Kofukai Medical Research Institute
2014 Shinjuku-Higashiguchi Eye Clinic


Doctor:Fumiyo Hasegawa

(Registered Recipient of a Diploma of Ophthalmology)


Japan Ophthalmological Society
Japan Ophthalmologists Associasion
Japanese Association for Strabismus and Amblyopia(JASA)


1992 Graduate- Medical Department of Teikyo Univercity
2002 The head ophthalmologist at International Catholic Hospital
2020 Shinjuku-Higashiguchi Eye Clinic

Main Thesis

Sequelae of ocular trauma in schools.(Japanese)
A case of periodic upper and lower strabismus with loss of periodicity after cataract surgery(Japanese)
Quantitative analysis of eye movement during a cover test for patients with intermittent exotropia(Japanese)

We have 7 full-time service orthoptist, 2 part-time orthoptists, 1 full-time nurse and 4 part-time nurses in our clinic.
Another several ophthalmologists are working here.