Claims for repairs or replacements by Local Health Board
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General description
Number of sight tests and vouchersData collection and calculation
Data is sourced from ophthalmic payments systems, maintained by primary care services in NHS Shared Services Partnership (NWSSP).Prior to 2023-24, similar services to Wales General Ophthalmic Services (WGOS) 1 were offered through GOS 1 and GOS 6 claims. For WGOS optical vouchers, similar services were offered through GOS 3 and GOS 4.
Sight test data collected through WGOS 1 is subject to some estimation. Due to the scale of the number of sight tests, the information from only 1 in 50 sight tests is recorded to a database. This means that the information from that sample is scaled up to estimate the number of sight tests by eligibility criteria.