OBJECTIVE OF THE RESEARCH: To determine the incidence of melanoma of the middle eyelid in Zadar General Hospital, to determine the demographic characteristics of the patients, to determine the number of patients depending on the diagnosis, to determine the place of reception of the patient TYPE OF STUDY: Retrospective cross-sectional study SUBJECTS AND METHODS: The research was conducted in patients diagnosed with malignant neoplasm of the eye, who visited Zadar General Hospital during the period from March 30, 2010 to July 17, 2023. The research includes 11 people, 5 men and 6 women. Relative and absolute frequencies were used to categorize the data. RESULTS: The research included patients of different age groups (4-81 years). The average age of patients in both sexes is 31 years. 6 people were admitted to the hospital, and 5 to the outpatient clinic. Out of the total number of patients, 2 people have a diagnosis of malignant neoplasm of the eye and adnexa, 1 person has a diagnosis of malignant neoplasm of the conjunctiva of the eye, 5 people have melanoma of the choroid, 1 person has melanoma of the eye cavity, while 2 people have unspecified melanoma of the eye. CONCLUSION: The research found that there were more women among the number of patients (54.5 versus 45.5), and the average age was 31 years. The tumor most often affected the choroid. Timely detection of melanoma is extremely important in preventing the loss of visual function, preventing the development of metastatic disease.