Levobunolol Impurities refer to the unwanted substances or chemicals that may be present in levobunolol drug formulations. These impurities are typically formed during the manufacturing process, or they may be introduced during storage or handling. The presence of impurities in levobunolol drugs may affect their safety and efficacy, and therefore, it is essential to monitor and control their levels to ensure the quality of the drug product. Various analytical techniques are used to detect and quantify levobunolol impurities, and regulatory agencies set limits for their acceptable levels.