[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 2

Visual function comparison. (a) Visual contrast sensitivity (6.4 c/d); (b) visual contrast sensitivity (12c/d), compared with before treatment and control group, # < 0.05.

(a)

(b)