Blurred vision is an adverse reaction triggered by risperidone, which produces a blocking effect on 5HT2 receptors and D2 receptors, thus triggering the body to produce a peripheral anticholinergic response, which manifests itself in symptoms such as dry mouth, constipation, urinary retention, blurred vision, and elevated intraocular pressure. Risperidone is primarily used in the treatment of acute and chronic schizophrenia. This product may cause extrapyramidal symptoms, manifested as muscle tension, salivation (drooling), tremor, rigidity, etc. It may also lead to hypotension, edema, menstrual disorders, abnormal penile erection, urinary incontinence, rhinitis and other adverse reactions. Note hypersensitivity to the product is prohibited. Special populations: pregnant women should weigh the pros and cons of use, nursing patients need to stop breastfeeding to use the drug. Patients must use the drug under the guidance of a professional physician and strictly comply with medical advice.