We will open our clinic all days through Silver Week.

Binocular vision simplified tester (WOC)


This is a guide of WOC(D-5000). Please consult us if you are suffering from eye strain or school myopia.
Medical device approval number: 08B0573

What is WOC?

By looking at a beautiful landscape in the examiner for about 5 minutes, release the eye strain (fogging method). It is effective in reducing eye strain, preventing the progression of myopia in children, and maintaining a parallel gaze that has turned inward. WOC combines the lens exercise method and flashing pupil exercise to relieve tension in the eyes in a short period of time.

The optotype moves back and forth between +3.00D (fogging) and ±0.00D to -1.00D (adjustment resting position). This effect relieves tension in the ciliary body, which has become stiff due to constant tension caused by prolonged computer work, etc.

The light blinks according to the period of mydriasis and miosis of the pupil and can stimulate the ciliary body as well as the movement of the pupil. This stimulus enhances the fogging effect.

When looking at objects up close, the eye uses the ciliary body to expand the lens in the eye to bring them into focus, and this function is called adjustment. WOC relaxes the ciliary body, which has been strained by prolonged computer work, etc., and restores the focus that has shifted to the near side. The effects are immediately visible in the visual acuity, so we check the visual acuity before and after the treatment to confirm the effects. We have patients with pseudomyopia and eyestrain caused by prolonged computer work, as well as children who come to our clinic to prevent the progression of myopia. In addition, depending on the symptoms, eyes that have been tilted inward may be improved to a parallel position. If you are concerned about your symptoms or wish to have treatment with WOC, please consult our staff or doctor.

Office hours




11:30-18:30(no lunchtime.)


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


Higashiikebukuro, Toshima-ku, Tokyo, 170-0013

TEL: +81-3-3981-6363

・1-minute walk from Ikebukuro station east exit.

・Our clinic is on the right side of "LABI (Yamada Denki)".
The clinic is on the fifth floor of the building which "Bank of Mitsubishi UFJ" is on the first floor.



Please print and fill out this questionnaire for consultation in advance.



Online appointment


Doctor career

Director:Yoshiko Hori

(A board-certified ophthalmologist Ph.D)
English fluent


Japanese Ophthalmological Society
Japan Ophtalmologists Association
Japan Cornea Society
Japanese Society of Ophthalmic Surgeons
Japanese Society of Cataract and Refractive Surgery


1986: Graduate-School of Medicine of Iwate Medical University
1990: Post Graduate school of Iwate MedicalUniversity
1991: Iwate prefectural Ofunato hospital
1993: Department of Ophthalmology Iwate Medical University Instructor
1993: Schepens Eye Research Institute of Harvard University
1997: Department of Ophthalmology Tokyo Dental College
1997: Minami-Aoyama Eye Clinic
2008: Ichikawa general hospital Department of Ophthalmology Tokyo Dental College
2010: IkebukuroSunshineStreetEyeClinic(Director since 2010)

Main Research

The three-dimensional organization of collagen fibrils in the human cornea and sclera.(maiden name Komai)

Doctor:Yasuhiro Shinkawa

(A board-certified ophthalmologist)


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


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: Ikebukuro Sunshine Street Eye Clinic

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