Dry eyes

What are the types of dry eye?

Dry eye syndrome may be subdivided into 2 main types as follows:

  1. Aqueous tear-deficient dry eye is a disorder in which the lacrimal glands fail to produce enough of the watery component of tears to maintain a healthy eye surface.
  2. Evaporative dry eye may result from inflammation of the meibomian glands, also located in the eyelids. These glands make the lipid or oily part of tears that slows evaporation and keeps the tears stable.

The B.U.T. (Break Up Time)

The B.U.T. (Break Up Time) test evaluates tear quality by measuring how long it takes for dry spots to appear on the cornea after a blink. The Eye care practitioner applies fluorescein to the patient’s eye and then observes the tear film after a blink while the patient tries to avoid the next blink. The practitioner counts by seconds until a dry spot appears. A break up time of more than 10 seconds is normal, from five to 10 seconds is marginal, and less than five seconds is low.

Three-layer Structure of Tears

Maintaining tear structure is important for the tears covering our eyes to function normally. Tears have three distinct layers from the outer surface: oil, water and mucus. Problems with any of these layers can cause dry eyes.

Tear duct

When the eye blinks, the lid pushes the tears across the eye into the drains (puncta) at the inner corner. The drains empty into channels (canaliculi) that connect the?eye?with the nose. The channels drain into a tear sac (lacrimal sac) that lies beside the nose. The sac narrows into the tear duct (lacrimal duct), which drains through the nasal bone into the nostril.

Office Hours

Weekday

11:30-13:45/15:00-19:30

Saturday

11:00-13:45/15:00-19:00

Sunday,Holiday

11:00-18:00
(no lunchtime.)

Closing The Office

12/31, 1/1, 1/2, 1/3

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

TEL:03-5363-0507

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shinjuku@tokyomidori.jp

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Doctor Career

Director:Yasuhiro Shinkawa

(A board-certified ophthalmologist)

Memberships

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 3000

Career

2001 Graduate-Medical Department of Kumamoto University
2002 Entered 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: Hiromi Namikawa

(A board-certified ophthalmologist)

Memberships

Japan Ophthalmological Society

Career

2003 Graduate-Medical Department St. Marianna University
2005 Synthesis Shinkawabashi Hospital
2009 Medical Department St. Marianna University
2013 Shinjuku-Higashiguchi Eye Clinic

Main Research Presentations

"Axonal protection by brain-derived neurotropic factor associated with CREB phosphorylation in tumor necrosis factor-alpha-inducted optic nerve degeneration."


 

Doctor:Yuko Ando

(A board-certified ophthalmologist)

Memberships

Japan Ophthalmological Society
Japan ophthalmlogists Association

Career

1988 Graduate-Medical Department of Tokai University
1989 National Tokyo Daini Hospital
2009~Shinjuku-Higashiguchi Eye Clinic

Doctor:Ryutaro Oki

(A board-certified ophthalmologist)

Memberships

Japan Ophthalmological Society
Japan ophthalmlogists Association

Career

1987 Saitama Medical University
2014~Shinjuku-Higashiguchi Eye Clinic
We have 3 full-time service orthoptists, 2 part-time orthoptist, 1 full-time nurses and 3 part-time nurses in our clinic.
Another several ophthalmologists are working here.