1. Ophthalmic optics and instruments. Optical and electro-optical devices for enhancing low vision. (15th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Complete spectacles. Specification for ready-to-wear near-vision spectacles Part 1, (15th December 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. BS EN ISO 15253. Ophthalmic optics and instruments. Optical and electro-optical devices for enhancing low vision. (7th October 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗