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Spatial Variaion

Access to Ophthalmologists in States Where Optometrists Have Expanded Scope of Practice

Question What is the estimated travel time to the nearest ophthalmologist office for persons living in states that have expanded the scope of practice of optometrists?

Assessing Geographic Variation in Strabismus Diagnosis among Children Enrolled in Medicaid

To determine how strabismus diagnosis varies within a given community and across communities among children with Medicaid health insurance. Design Retrospective cohort analysis. Participants Children aged ≤10 years enrolled in Medicaid in Michigan or North Carolina during 2009.

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