For weight loss surgery, eligibility is generally based on a combination of factors, including your body mass index (BMI), overall health, and whether you've tried other weight loss methods without long-term success. Given your height (5'3" or 5'4") and weight (230 lbs), your BMI would fall around 40, which is typically considered the threshold for bariatric surgery. A BMI of 40 or higher, or a BMI of 35 with obesity-related health conditions (like diabetes, hypertension, or sleep apnea), often qualifies someone for weight loss surgery. However, you would also need to demonstrate that you've tried and failed with non-surgical weight loss methods like diet and exercise, and that surgery is the best option for long-term success. It’s a good idea to consult with a bariatric surgeon to go over your specific case, medical history, and potential risks.