Did you know we process all GOS 4 pre-authorisation requests to repair or replace patient’s glasses? Read Under the Lens: Pre-authorising your GOS 4 vouchers (Word: 104KB) to find out more information. In the article, we cover:
- what is a GOS 4 voucher?
- checking your patient qualifies for a GOS 4 voucher
- getting pre-authorisation for your GOS 4 voucher request
The link in this article was updated on 3 November 2025.