An Extension Test of Whether to Use Oral Anti-anxiety Drugs (Alprazolam) When Patients Choose Second Eye Cataract Surgery After Unblinding, and Analyze Their Anxiety, Satisfaction and Pain Satisfaction

Inclusion Criteria: 1. Age between 18 and 80 years old. 2. Enrolled in "Anxiety and surgery satisfaction for cataract patient with different state anxiety" (Research Ethics Committee Case No.: 202302067MINB). 3. Plan to undergo phacoemulsification and intraocular lens implantation surgery with topical anesthetic on the second eye at the Department of Ophthalmology. 4. Subject who does not have side effect from XANAX. Exclusion Criteria: 1. Presence of any surgery contraindications. 2. Presence of any medication contraindications. 3. Inability to provide clear and complete answers to relevant questionnaires, or expression of no preoperative anxiety during the outpatient visit, or scores below 21 on the STAI-S or STAI-T assessment. 4. Regular use of anti-anxiety medications, sleeping pills, or analgesics before the procedure. 5. Pregnancy or breastfeeding during the preoperative period. 6. Severe corneal diseases, overripe cataracts, small pupils, or lens dislocation leading to difficulties in conventional surgery. 7. Patients under surface anesthesia who cannot fully cooperate with the surgical procedure. 8. Pregnant or uncertain pregnancy status (women under 55 years old to be verbally asked by research team members).