Electronic Health Records and Registries

Electronic medical record (EMR) databases and EMR registries represent an emerging data source with the potential to greatly enhance our ability to measure important health outcomes at a much higher level of detail than available in claims data. However, this level of detail comes at a cost. EMR and registry data is often more difficult to analyze than claims, and their application to vision and eye public health research is unproven.

The VEHSS team reviewed potential EMR databases for inclusion in the surveillance system and identified the IRIS® Registry and the AOA MORE registry systems. Of the sources identified in our review, the IRIS® Registry is the only data source currently included in the VEHSS, although data from MORE may be included in the future. For more information, please visit the Review of Claims and Registries Report pdf icon[PDF – 870 KB]external icon.

coverage areas for EMR and Registry Data
IRIS® Registry MORE
Nationally Representative No No
Age/Sex/Race Yes Yes
Geographic Representation
State Representation Partial Partial
County Representation Partial Partial
Patient Groups
All Ages Yes Yes
Undiagnosed No No
Payer Type
Private Medical Yes Yes
Private Vision Yes Yes
Medicare Yes Yes
Medicaid Yes Yes
Other Government Payers Partial Partial
Uninsured Partial Partial
Care Type and Setting
Vision Services Partial Yes
Medical Eye Care Yes Partial
Other Medical Partial Partial
All Medical Diagnoses No No
Risk Factors Partial Partial
Uncorrected Acuity Yes Yes
Corrected Acuity Yes Yes