Research Article

[Retracted] Effects of Calf Blood-Deproteinized Extract Ophthalmic Gel Combined with Sodium Hyaluronate Eye Drops on Conjunctival Hyperemia Score and Tear Film Stability in Patients with Dry Eye

Figure 1

Comparison of tear film stability. (a) FL; (b) Sit; (c) BUT; (d) central tear river height of lower eyelid, compared with before treatment and control group, # < 0.05.
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