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Cornea:
doi: 10.1097/ICO.0000000000000213
Clinical Science

Additive Effect of Preservative-free Sodium Hyaluronate 0.1% in Treatment of Dry Eye Syndrome With Diquafosol 3% Eye Drops

Hwang, Ho Sik MD, PhD*; Sung, Yoon-mi MD; Lee, Weon Sun BS; Kim, Eun Chul MD, PhD

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Abstract

Purpose:

The aim of this study was to evaluate the treatment effect of diquafosol 3% with preservative-free sodium hyaluronate 0.1% eye drops in dry eye syndrome.

Methods:

In total, 150 patients with dry eye syndrome were divided randomly into 3 groups. Group 1 (50 patients) was treated 4 times daily with preserved sodium hyaluronate 0.1%, group 2 (50 patients) was treated 4 times daily with diquafosol 3%, and group 3 (50 patients) was treated 4 times daily with diquafosol 3% and preservative-free sodium hyaluronate 0.1% eye drops for 3 months. Ocular surface disease index (OSDI) score, tear film break-up time, Schirmer I test, corneal fluorescein staining, and impression cytology were evaluated.

Results:

There were significant improvements in the OSDI score, tear film break-up time, Schirmer I score, fluorescein and Rose Bengal staining, goblet cell density, and impression cytological findings in groups 2 and 3 compared with those for group 1 in patients with dry eye syndrome at 1, 2, and 3 months (P < 0.05). There were statistically significant improvements in the OSDI score (−8.48 ± 0.97, −5.69 ± 0.78; P = 0.02), fluorescein (−1.43 ± 0.21, −1.02 ± 0.18; P = 0.03), and Rose Bengal staining (−1.12 ± 0.26, −0.75 ± 0.12; P = 0.03), goblet cell density (89.65 ± 14.39, 70.36 ± 16.75; P = 0.03), and impression cytological findings (−0.53 ± 0.12, −0.34 ± 0.90; P = 0.01) in group 3 compared with those in group 2 at 3 months.

Conclusions:

Treatment with diquafosol 3% with preservative-free sodium hyaluronate 0.1% was more effective than diquafosol 3% monotherapy or treatment with preserved sodium hyaluronate 0.1% in dry eye syndrome. Preservative-free sodium hyaluronate 0.1% eye drops can increase the effect of diquafosol 3% in dry eye syndrome.

Copyright © 2014 by Lippincott Williams & Wilkins

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