Two free pairs of glasses for your child. Second pair including free prescription sunglasses. 

Both pairs come with single-vision lenses with a scratch-resistant treatment and UV filter or you can choose to have tinted prescription lenses and UV filter free in your second pair. Plus, under-16s get a free NHS eye test.

Cannot be used with other offers. Under-16s only. To your prescription only. Both pairs from kids’ £64 and teens’ £85 ranges. Primary pair: Funded by valid under-16s’ NHS optical voucher. Second pair: Provided at no charge by Specsavers. Both pairs come with single-vision lenses and UV filter free, or the customer can choose tinted prescription lenses and UV filter free in their second pair. Extra Options available at an additional charge on both pairs. Offer available in UK only.

https://www.specsavers.co.uk/offers/great-offers-for-kids