Login to your webdoctor.ie account.
On your account page:
Click on MY TREATMENTS on the menu bar.
Click on the RENEW button next to the prescription that you wish to renew.
You will need to update a few medical details before submitting for renewal.
Once you have submitted, fill in your contact details and card information on the last page.
If you have not applied for a prescription previously, you will need to complete a new application.