盐酸左氧氟沙星滴眼液是改善白内障结膜细菌学状况最为有效的抗生素药物，0.3%左氧氟沙星相比氯霉素、氧氟沙星、妥布霉素，尤其对结膜囊中最常见的表皮葡萄球菌等有很好的抑制杀菌作用，能很好的减缓、预防眼睛畏光、疼痛、沙痒、烧灼、异物感、干涩之感，减轻结膜水肿充血症状，为白内障治疗工作的开展和预后结局的改善奠定了很好的基础。“,”Levofloxacin hydrochloride eye drops is improve cataract conjunctiva of bacteriology, the most effective antibiotic drugs than 0.3%levofloxacin chloramphenicol, ofloxacin, tobramycin, especially for the most common of conjunctival sac epidermis staphylococcus etc. Have a good inhibitory effect of sterilization, can be a very good slow, sand prevention eyes photophobia, pain, itching, burning, foreign body sensation, dryness, relieve symptoms of conjunctival edema, congestion, for the improvement of the work of cataract treatment and prognosis of ending laid a good foundation.