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Corneal transplantation is the most effective treatment for visual impairment caused by corneal blindness and can improve patients' quality of vision. However, pre- and post-operative self-care is necessary to reduce the risk of complications and graft rejection. This one-group, quasi-experimental design with repeated measures aimed to determine the feasibility and effectiveness of self-care promoting programs on self-care behavior, anxiety, and clinical outcomes in individuals with corneal transplantation. Thirty participants who met the inclusion criteria were purposively recruited from a corneal excellence center in Bangkok, Thailand, from October 2021 to August 2022. The data collection instruments included the Demographic and Health Data Forms, the Self-Care Behavior Questionnaire, and the Self-Rating Anxiety Scale. The data were analyzed using descriptive statistics, paired t-tests, and Friedman and Wilcoxon signed-rank tests. The program was found to be feasible, with all participants able to attend for 30 days postoperation. In terms of effectiveness, participants demonstrated improved self-care behavior and reduced anxiety compared to pre-program levels. Visual acuity also showed improvement 30 days postoperation, with 83.3% of participants having a clear corneal graft. These findings are significant for nursing practice, as they suggest that this program could be a promising tool for enhancing self-care behavior in individuals undergoing corneal transplantation. Nurses could potentially use this program to promote self-care behavior, alleviate anxiety, and enhance clinical outcomes. However, further research with randomized control is necessary before widespread implementation can be recommended. [ABSTRACT FROM AUTHOR]