Low Vision assessments by visual acuity recorded and health board

Standard shorthand is used in this table: [t] = total.

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Visual Acuity ( of 5 selected5 selectable options)

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Area ( of 11 selected11 selectable options)


Data valuesData descriptionVisual AcuityYearArea
363Number of Assessments6/60 or worse2024-25Aneurin Bevan University Health Board
106Number of Assessments6/12 or better2024-25Powys Teaching Health Board
224Number of Assessments6/60 or worse2024-25Cardiff and Vale University Health Board
2,122 [t]Number of AssessmentsTotal2024-25Aneurin Bevan University Health Board
337Number of Assessments6/60 or worse2024-25Betsi Cadwaladr University Health Board
1,291 [t]Number of AssessmentsTotal2024-25Hywel Dda University Health Board
267 [t]Number of AssessmentsTotal2024-25Powys Teaching Health Board
1,000 [t]Number of AssessmentsTotal2024-25Cardiff and Vale University Health Board
5Number of Assessments6/12 or better2024-25Unknown
574Number of AssessmentsWorse than 6/12 but better than 6/602024-25Hywel Dda University Health Board
298Number of Assessments6/60 or worse2024-25Swansea Bay University Health Board
683Number of AssessmentsWorse than 6/12 but better than 6/602024-25Betsi Cadwaladr University Health Board
1,773 [t]Number of Assessments6/60 or worse2024-25Wales
225Number of Assessments6/60 or worse2024-25Cwm Taf Morgannwg University Health Board
8,793 [t]Number of AssessmentsTotal2024-25Wales
3Number of Assessments6/60 or worse2024-25Unknown
4Number of AssessmentsVA not recorded2024-25Swansea Bay University Health Board
57 [t]Number of AssessmentsVA not recorded2024-25Wales
13Number of AssessmentsWorse than 6/12 but better than 6/602024-25Unknown
14Number of AssessmentsVA not recorded2024-25Aneurin Bevan University Health Board
513Number of AssessmentsWorse than 6/12 but better than 6/602024-25Cardiff and Vale University Health Board
431Number of Assessments6/12 or better2024-25Hywel Dda University Health Board
22 [t]Number of AssessmentsTotal2024-25Unknown
4,232 [t]Number of AssessmentsWorse than 6/12 but better than 6/602024-25Wales
118Number of AssessmentsWorse than 6/12 but better than 6/602024-25Powys Teaching Health Board
1Number of AssessmentsVA not recorded2024-25Unknown
42Number of Assessments6/60 or worse2024-25Powys Teaching Health Board
281Number of Assessments6/60 or worse2024-25Hywel Dda University Health Board
1,374 [t]Number of AssessmentsTotal2024-25Swansea Bay University Health Board
659Number of AssessmentsWorse than 6/12 but better than 6/602024-25Swansea Bay University Health Board
2,731 [t]Number of Assessments6/12 or better2024-25Wales
350Number of Assessments6/12 or better2024-25Cwm Taf Morgannwg University Health Board
470Number of Assessments6/12 or better2024-25Betsi Cadwaladr University Health Board
413Number of Assessments6/12 or better2024-25Swansea Bay University Health Board
258Number of Assessments6/12 or better2024-25Cardiff and Vale University Health Board
698Number of Assessments6/12 or better2024-25Aneurin Bevan University Health Board
5Number of AssessmentsVA not recorded2024-25Hywel Dda University Health Board
1,499 [t]Number of AssessmentsTotal2024-25Betsi Cadwaladr University Health Board
5Number of AssessmentsVA not recorded2024-25Cardiff and Vale University Health Board
9Number of AssessmentsVA not recorded2024-25Betsi Cadwaladr University Health Board
1Number of AssessmentsVA not recorded2024-25Powys Teaching Health Board
18Number of AssessmentsVA not recorded2024-25Cwm Taf Morgannwg University Health Board
625Number of AssessmentsWorse than 6/12 but better than 6/602024-25Cwm Taf Morgannwg University Health Board
1,047Number of AssessmentsWorse than 6/12 but better than 6/602024-25Aneurin Bevan University Health Board
1,218 [t]Number of AssessmentsTotal2024-25Cwm Taf Morgannwg University Health Board
367Number of Assessments6/12 or better2023-24Cwm Taf Morgannwg University Health Board
345Number of Assessments6/12 or better2023-24Swansea Bay University Health Board
610Number of Assessments6/12 or better2023-24Aneurin Bevan University Health Board
605Number of AssessmentsWorse than 6/12 but better than 6/602023-24Swansea Bay University Health Board
698Number of AssessmentsWorse than 6/12 but better than 6/602023-24Betsi Cadwaladr University Health Board
594Number of AssessmentsWorse than 6/12 but better than 6/602023-24Cwm Taf Morgannwg University Health Board
178Number of Assessments6/12 or better2023-24Cardiff and Vale University Health Board
788 [t]Number of AssessmentsTotal2023-24Cardiff and Vale University Health Board
328Number of Assessments6/60 or worse2023-24Aneurin Bevan University Health Board
223Number of Assessments6/60 or worse2023-24Cwm Taf Morgannwg University Health Board
197Number of Assessments6/60 or worse2023-24Cardiff and Vale University Health Board
129Number of AssessmentsWorse than 6/12 but better than 6/602023-24Powys Teaching Health Board
592Number of AssessmentsWorse than 6/12 but better than 6/602023-24Hywel Dda University Health Board
914Number of AssessmentsWorse than 6/12 but better than 6/602023-24Aneurin Bevan University Health Board
17 [t]Number of AssessmentsTotal2023-24Unknown
6Number of AssessmentsWorse than 6/12 but better than 6/602023-24Unknown
410Number of AssessmentsWorse than 6/12 but better than 6/602023-24Cardiff and Vale University Health Board
5Number of Assessments6/60 or worse2023-24Unknown
6Number of Assessments6/12 or better2023-24Unknown
1,189 [t]Number of AssessmentsTotal2023-24Cwm Taf Morgannwg University Health Board
1,867 [t]Number of AssessmentsTotal2023-24Aneurin Bevan University Health Board
1,241 [t]Number of AssessmentsTotal2023-24Swansea Bay University Health Board
2,656 [t]Number of Assessments6/12 or better2023-24Wales
267 [t]Number of AssessmentsTotal2023-24Powys Teaching Health Board
8,393 [t]Number of AssessmentsTotal2023-24Wales
60Number of Assessments6/60 or worse2023-24Powys Teaching Health Board
559Number of Assessments6/12 or better2023-24Betsi Cadwaladr University Health Board
295Number of Assessments6/60 or worse2023-24Hywel Dda University Health Board
0Number of AssessmentsVA not recorded2023-24Unknown
77Number of Assessments6/12 or better2023-24Powys Teaching Health Board
15Number of AssessmentsVA not recorded2023-24Aneurin Bevan University Health Board
12Number of AssessmentsVA not recorded2023-24Betsi Cadwaladr University Health Board
42 [t]Number of AssessmentsVA not recorded2023-24Wales
1Number of AssessmentsVA not recorded2023-24Powys Teaching Health Board
1,747 [t]Number of Assessments6/60 or worse2023-24Wales
3Number of AssessmentsVA not recorded2023-24Hywel Dda University Health Board
3Number of AssessmentsVA not recorded2023-24Cardiff and Vale University Health Board
288Number of Assessments6/60 or worse2023-24Swansea Bay University Health Board
3Number of AssessmentsVA not recorded2023-24Swansea Bay University Health Board
3,948 [t]Number of AssessmentsWorse than 6/12 but better than 6/602023-24Wales
514Number of Assessments6/12 or better2023-24Hywel Dda University Health Board
351Number of Assessments6/60 or worse2023-24Betsi Cadwaladr University Health Board
1,620 [t]Number of AssessmentsTotal2023-24Betsi Cadwaladr University Health Board
5Number of AssessmentsVA not recorded2023-24Cwm Taf Morgannwg University Health Board
1,404 [t]Number of AssessmentsTotal2023-24Hywel Dda University Health Board
56Number of Assessments6/60 or worse2022-23Powys Teaching Health Board
283Number of Assessments6/60 or worse2022-23Hywel Dda University Health Board
287Number of Assessments6/60 or worse2022-23Betsi Cadwaladr University Health Board
271Number of Assessments6/60 or worse2022-23Swansea Bay University Health Board
188Number of Assessments6/60 or worse2022-23Cwm Taf Morgannwg University Health Board
0Number of Assessments6/12 or better2022-23Unknown
208Number of Assessments6/12 or better2022-23Cardiff and Vale University Health Board
657Number of Assessments6/12 or better2022-23Aneurin Bevan University Health Board
2 [t]Number of AssessmentsTotal2022-23Unknown
809 [t]Number of AssessmentsTotal2022-23Cardiff and Vale University Health Board
Showing 1 to 100 of 525 rows
Page 1 of 6

Main information

Most recent update
30 September 2025
Next update expected
September 2026
Designation
Official statistics
Data provider 1
Low Vision Service Wales
Data source 1
No specific source from data provider
Data provider 2
NHS Wales Shared Services Partnership
Data source 2
Low Vision Assessment Record Card
Time period covered
April 2013 to March 2025

Data notes

Overview

Summary of dataset and variables

This dataset shows the number of low vision assessments by the visual acuity recorded.

Wales General Ophthalmic Services (WGOS) 3 enables patients who would benefit from optical and non-optical aids as well as holistic rehabilitation support (including sight impairment registration) and advice to access a low vision service in or close to their place of residence.

The data is broken down by visual acuity recorded during the assessment and Local Health Board. Visual acuity measures the clarity or sharpness of a person’s vision—6/12 means seeing at 6 metres what a person with normal vision sees at 12 metres, while 6/60 indicates significantly poorer vision. The dataset provides an overview of low vision service activity and the distribution of visual acuity levels among patients across health boards.

Data collection or calculation

Visual acuity is measured according to the "Snellen fraction" by comparing the distance in metres at which a patient can correctly identify a letter with the distance at which a person with standard vision could identify it. For example, 6/6 indicates normal vision, while 6/12 means the patient can see at 6 metres what a person with standard vision could see at 12 metres. To arrive at the overarching visual acuity categories presented in this data, various categories in the underlying data were combined, such as ‘6/7.5 – 6/12’ being combined with ‘6/6+’ to form the ‘6/12 or better category’. The number of low vision assessments with each visual acuity is then broken down by financial year and health board to arrive at the final dataset. The data is based on claims made by practices to NHS Wales Shared Services Partnership (NWSSP) for payment. Practices submit a record card to NWSSP and this data generates the payment from the system. NWSSP provide an aggregated dataset with counts to Welsh Government.

Statistical quality

On 1 April 2019, health service responsibility for Bridgend residents moved from Abertawe Bro Morgannwg to Cwm Taf. Health board names also changed: Cwm Taf became Cwm Taf Morgannwg, and Abertawe Bro Morgannwg became Swansea Bay. See the weblinks section for official statements.

Published by

Organisation
Welsh Government
Contact email
stats.healthinfo@gov.wales

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