use for our own business purposes. If your personal information is entered into the app by third parties as part of conversations with you, we will inform you about the collection, processing and use of [...] according to any legal or contractual obligations we might have. Due to licence agreements with third parties we may be contractually obliged to transmit data of the optician’s such as customer IDs, address [...] the data you provide online for the stated purposes. Your data will not be transferred to third parties without your express consent. Data will only be collected or transmitted to authorized state institutions