{"database": "openregs", "table": "gao_reports", "rows": [["GAO-26-107787", "Private Dental and Vision Insurance: Market Concentration Varied Among States", "2026-03-09", "GAO-26-107787", null, null, "As in health insurance markets, people looking for dental or vision insurance may face a concentrated market\u2014i.e., only a few companies to choose from. Consumer choice may also be affected by \u201cvertical integration\u201d\u2014e.g., when a vision insurance company owns the ophthalmologist\u2019s practice and the company that makes glasses frames and lenses. Dental and vision insurance market concentration varied across states. Little research is available that...", null, null, null, null, null, null, null, "https://www.gao.gov/products/gao-26-107787", null]], "columns": ["package_id", "title", "date_issued", "report_number", "document_type", "doc_class", "abstract", "subjects", "public_laws", "usc_references", "statute_references", "citation", "pdf_url", "html_url", "detail_url", "sudocs"], "primary_keys": ["package_id"], "primary_key_values": ["GAO-26-107787"], "units": {}, "query_ms": 0.5124519811943173, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}