Applying for a medical visa is a crucial step in arranging for overseas medical treatment. The applicant can accomplish this either online or at an embassy, subject to the regulations of the destination country. In some instances, countries offer an electronic system where applicants can secure their medical visas digitally. Such systems often issue electronic medical visas or short-term visas encompassing medical visits. However, some countries need an in-person application for a medical visa at their diplomatic missions. Requirements for a medical visa can vary significantly across countries, and commonly required documents include a referral letter from a medical professional, confirmation of the appointment from a healthcare facility, a valid passport, recent passport-style photographs, medical insurance, flight reservations, proof of stay, and evidence of sufficient funds.