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Clinical appearance before and after lid scrubbing treatment with tea tree oil in patients with ocular demodecosis. (A and D, case 4; B and E, case 9; C and F, case 7). There are corneal nodular opacities (A, B), bulbar conjunctival injections (A, B) and central corneal infiltration (C) before the treatment. However, four weeks after the treatment, corneal opacities are markedly faded and conjunctival injections had resolved (D, E). Central corneal infiltration had also resolved (F).
