The cataract surgery

    • 1.Examination and follow-up from first visit

      Depends on the individuals’ stage and condition of vision, the doctor consider whether it should be follow-up or operation be done.

    • 2. Decision of the operation

      The doctor would explain about the condition of your eye, and you will have some examinations if the operation is deemed necessary.
      ※About the timing of the operation, it depends on individuals conditions.

    • 3. Examinations required

      Once the date is determined, you need to have some preoperative examination to decide the diopter of the intraocular lenses and see whether there are other symptoms or disease on your body or not, in detail. (E.g.: Blood sampling, Corneal endothelial cell test, Blood oxygenation level check, etc.) These will be done at a later date, so please make the reservation.
      Because you will need to see the doctor after all the result of examinations is revealed, it’s is required to come to our clinic at least twice.

    • 4. Information session

      The doctor would explain about the details of the cataract operation.

  • 5. Surgery

    About the flow of the day of the surgery, please check the below.

  • 6. Follow-up

    The timing of the consultation depends on individuals, so please follow the doctor’s instruction.

The flow of the day of the surgery

    • Reception

      ·Please visit with attendant person 1-2 hours before surgery.
      ·Do not forget appointment slip, health insurance card, patient registration and the letter of consent.

    • Waiting room

      ·Just in case, all the accessary including nail polish, and make-up should be taken off.
      ·It is better to come with clothes which can be worn without putting your head through, however, there is a rental surgical gown too.
      ·Putting eyedrop several times and you will be put intravenous drip.

    • Surgical room

      ·Having a seat and turn on a monitor.
      ·The doctor would put anesthetic eye drop or injection.
      ·If we look just at the operation, it only takes about 10-20 min.

    • Recovery room

      ·After the operation, we ask you to take a rest for a while
      ·There is a postoperative explanation, and we ask you to listen to it with your attendant and go back to your home with that person.

The flow of the day after the surgery

  • A day after the surgery
    You must come to our clinic and have the follow-up examination
  • For a month
    Once per 3-7days consultation
  • After 2 months
    Once per 2-3 weeks consultation
  • After 3 months
    Once per 3-6 months consultation

How to operate the surgery

Generally it tends to be done with phacoemulsification that remains the outline of crystalline lens and take away only the inside of it.

The type of the intraocular lenses

1.Single focus
2.For astigmatism

After putting the lens in, there is no focusing ability on your eye, so a eye-glasses would be necessary most of the time. Please feel free to ask the doctor about the detail and choose the one which fits with your lifestyle.

Online appointment

Reservation by phone is also possible.

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






Contact us

Online appointment


Doctor career

Director:Yasuhiro Shinkawa

(A board-certified ophthalmologist)


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

(A board-certified ophthalmologist)


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

We have 5 full-time service orthoptist, 3 part-time orthoptists, 1 full-time nurse and 3 part-time nurses in our clinic.
Another several ophthalmologists are working here.