Correction to: BMC Ophthalmol (2019) 19:131
The editor has retracted this article . In the accompanying trial registry  the authors stated that they conducted three separate arms of this clinical trial. The article only reports the results of two of the arms. The data and the results of this article are therefore unreliable. Additionally, there is considerable overlap with a previously published article by the same authors .
**All authors agree to this retraction
Park, et al. Comparison of 0.05% cyclosporine and 3% diquafosol solution for dry eye patients: a randomized, blinded, multicenter clinical trial. BMC. Ophthalmol. 2019;19:131. https://doi.org/10.1186/s12886-019-1136-8.
Park CH, Kim MK, Kim EC, Kim JY, Kim TI, Kim HK, Song JS, Yoon KC, Lee DH, Lee HK, Chung TY, Choi CY, Kim HS. Efficacy of Topical Cyclosporine Nanoemulsion 0.05% Compared with Topical Cyclosporine Emulsion 0.05% and Diquafosol 3% in Dry Eye. Korean J Ophthalmol. 2019;33(4):343–52. https://doi.org/10.3341/kjo.2018.0116.
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Park, C.H., Lee, H.K., Kim, M.K. et al. Retraction Note: Comparison of 0.05% cyclosporine and 3% diquafosol solution for dry eye patients: a randomized, blinded, multicenter clinical trial. BMC Ophthalmol 20, 251 (2020). https://doi.org/10.1186/s12886-020-01524-8