Machine-Learning Algorithm for Prediction of Blood Pressure, Glycated Haemoglobin and Estimated Glomerular Filtration Rate

Inclusion Criteria: * Participant must be ≥ 35 years of age, at the time of signing the informed consent. * With or without DM (at least 50% of participants will have an HbA1c ≥ 6.5%\* and/or a known diagnosis of DM) * Male or female (at least 40% of participants must be male, and at least 40% must be female) * Capable of giving signed informed consent as described in Appendix A Exclusion Criteria: * As judged by the investigator, any evidence of a medical condition which in the investigator's opinion makes it undesirable for the participant to participate in the study for example, but not limited to, if a participant is critically unwell or requiring ongoing emergency treatment * Any known eye condition that may preclude clear imaging of the retina for example; cataracts * Involvement in the planning and/or conduct of the study (applies to both AstraZeneca staff and/or staff at the study site). * Judgment by the investigator that the participant should not participate in the study if the participant is unlikely to comply with study procedures, restrictions and requirements. * Previous enrolment in the present study with the exception of roll-in participants who may be re-screened and re-enrolled.