This study will be conducted to assess the feasibility of the OPTDR01 in detecting mtmDR and vtDR in frontline care settings in adults with a diagnosis of diabetes but no prior diagnosis of diabetic retinopathy. The study will inform the design of a large pivotal study in terms of expected disease prevalence, participant recruitment rate, data collection tools and study workflow.
Eligible participants will undergo the following:
* retinal imaging sessions of each eye with a fundus camera for OPTDR01 evaluation
* dilation with mydriatic agent
* fundus photography, macular optical coherence tomography (OCT) and red reflex exam of each eye for comparison.
A subset of participants will be invited to participate in a precision sub-study, during which multiple operators will image participant eyes with multiple cameras.