By law*, employees using VDUs should be provided with an eye examination, funded by their employer, when requested. If glasses are needed specifically for VDU use, the employer is obliged to pay.
Vouchers cost £17 each and provide:
Premium Club, which is built into every voucher, offers a further £20 contribution when glasses are selected from the £99 range or above, thus giving a combined contribution of £65.
*The Health and Safety (Display Screen Equipment) Regulations 1992