Vision care seminar looks at providers: who provides services? What are the costs?
D003365:Costs and Cost Analysis; D006264:Health Benefit Plans, Employee / Q000191:economics / Q000458:organization & administration; D006801:Humans; D007348:Insurance, Health / Q000191:economics / Q000458:organization & administration; D009885:Ophthalmology; D009907:Optometry; D014481:United States; D014785:Vision, Ocular