11. Ophthalmic instruments. Trial frames. (15th August 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
12. Ophthalmic optics. Bar code specifications. (15th May 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
13. Ophthalmic optics. Format of digital data files for data transfer for profiling of spectacle lenses. Two-dimensional tracers Part 1, (15th September 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
14. Ophthalmic optics. Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses. (19th September 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
15. Ophthalmic optics. Semi-finished spectacle lens blanks. Specifications for progressive power lens blanks Part 2, (15th August 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
16. Ophthalmic optics. Semi-finished spectacle lens blanks. Specifications for single-vision and multifocal lens blanks Part 1, (15th August 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
17. Ophthalmic optics. Spectacle lenses. Short wavelength visible solar radiation and the eye. (28th September 2018) 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) ↗
18. Ophthalmic optics. Spectacle lenses. Vocabulary. (15th August 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (74 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
19. Ophthalmic optics. Uncut finished spectacle lenses. Specifications for progressive power lenses Part 2, (15th August 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
20. Ophthalmic optics. Uncut finished spectacle lenses. Specifications for single-vision and multifocal lenses Part 1, (15th August 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗