Please choose the correct ending to complete the given sentence: Health: [header] How to order contacts [title] Make an appointment with your optometrist. [step] To order contacts, you'll need to get examined by an optometrist and get a prescription. You can either schedule an exam for contacts only or one to be fitted for glasses as well.

Ending1: At the end of your fitting, an optometrist will give you your prescription with all of the information that you'll need for refills. [title] Get a copy of your contact lens prescription. Ending2: Your optometrist isn't directly involved in the exam process. However, they may be able to help if you need reminders. Ending3: [substeps] The optometrist will then make an ultrasound and two or three tomography scans and palpate your eye area. The ultrasound will also help to get a more accurate estimate of size of your eye. Ending4: [substeps] A lymph node (gram) is an area above the outside of the eye where your glasses are located. It means that your optometrist can spot and count your hairs, known as the gram.

Answer format: ending1/ending2/ending3/ending4