American Journal of Ophthalmology
Volume 139, Issue 2 , Pages 253-258, February 2005

The application of a new continuous functional visual acuity measurement system in dry eye syndromes

Presented of 27th Japan Cornea Conference, February 20th, 2003, Karuizawa, Japan.

  • Reiko Ishida, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
    • Eye Clinic Shizuoka, Shizuoka, Japan
    • ,
  • Takashi Kojima, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
    • Department of Ophthalmology, Social Insurance Chukyo Hospital, Nagoya, Japan
    • ,
  • Murat Dogru, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
    • Corresponding Author InformationInquiries to Murat Dogru, MD, Department of Ophthalmology, Tokyo Dental College, 5-11-13 Sugano, Ichikawa-shi, Chiba, Japan 272-8513; fax: 81-47-3-22-6786
    • ,
  • Minako Kaido, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
    • ,
  • Yukihiro Matsumoto, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
    • ,
  • Mari Tanaka, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • ,
  • Eiki Goto, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
    • Tokyo Dry Eye Center in Iidabashi Eye Clinic, Tokyo, Japan
    • ,
  • Kazuo Tsubota, MD

      Affiliations

    • Department of Ophthalmology, Tokyo Dental College, Chiba, Japan
    • Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan

Accepted 30 August 2004. published online 10 January 2005.

Purpose

To evaluate the efficacy of a new continuous functional visual acuity measurement (FVAM) system for the assessment of dry eye patients.

Design

Prospective comparative study.

Methods

Monocular recognition acuity measured continuously by the FVAM system during a 30-second blink-free period was defined as functional visual acuity (FVA). Examinations using the FVAM system were conducted in 35 eyes of 20 healthy controls and 19 eyes of 13 dry eye patients. Tear function examinations including the Schirmer test, tear film break-up time, and fluorescein and Rose Bengal staining were performed in all subjects. Functional visual acuity and tear functions were also examined before and after insertion of punctum plugs in dry eye patients. Functional visual acuity results at 10, 20, and 30 seconds were compared.

Results

Functional visual acuity in dry eyes were significantly lower than control subjects at all time points (P < .05). Functional visual acuity after punctum plugs insertion improved significantly at all time points (P < .05).

Conclusions

FVAM system seemed not only to be an effective tool in the assessment of dynamic visual acuity changes in dry eye and normal subjects but in evaluating the outcome of management of dry eye disease by punctum plugs.

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 This study was supported by grants from the Japanese Ministry of Education, Culture, Sports, Science, and Technology, Tokyo, Japan, and Hightech Research Center at Tokyo Dental College, Chiba, Japan.

PII: S0002-9394(04)01088-8

doi:10.1016/j.ajo.2004.08.075

American Journal of Ophthalmology
Volume 139, Issue 2 , Pages 253-258, February 2005

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