| 1/00 | Assemblies of lenses with bridges or browbars |
| 1/02 | Assemblies of lenses with bridges or browbars Bridge or browbar secured to lenses without the use of rims |
| 1/04 | Assemblies of lenses with bridges or browbars Bridge or browbar secured to, or integral with, partial rims, e.g. with partially-flexible rim for holding the lens |
| 1/06 | Assemblies of lenses with bridges or browbars Bridge or browbar secured to, or integral with, closed rigid rims for the lenses |
| 1/08 | Assemblies of lenses with bridges or browbars Bridge or browbar secured to, or integral with, closed rigid rims for the lenses the rims being transversely-split and provided with securing means |
| 3/00 | Special supporting arrangement for lens assemblies or monocles |
| 3/02 | Special supporting arrangement for lens assemblies or monocles Arrangements for supporting by headgear |
| 3/04 | Special supporting arrangement for lens assemblies or monocles Arrangements for supporting by hand, e.g. lorgnette; Arrangements for supporting by articles |
| 5/00 | Constructions of non-optical parts |
| 5/02 | Constructions of non-optical parts Bridges; Browbars; Intermediate bars (nose-engaging surfaces G02C 5/12) |
| 5/04 | Constructions of non-optical parts Bridges; Browbars; Intermediate bars (nose-engaging surfaces G02C 5/12) with adjustable means |
| 5/06 | Constructions of non-optical parts Bridges; Browbars; Intermediate bars (nose-engaging surfaces G02C 5/12) with resilient means |
| 5/08 | Constructions of non-optical parts Bridges; Browbars; Intermediate bars (nose-engaging surfaces G02C 5/12) foldable |
| 5/10 | Constructions of non-optical parts Bridges; Browbars; Intermediate bars (nose-engaging surfaces G02C 5/12) Intermediate bar or bars between bridge and side-members |
| 5/12 | Constructions of non-optical parts Nose-pads; Nose-engaging surfaces of bridges or rims |
| 5/14 | Constructions of non-optical parts Side-members |
| 5/16 | Constructions of non-optical parts Side-members resilient or with resilient parts |
| 5/18 | Constructions of non-optical parts Side-members reinforced |
| 5/20 | Constructions of non-optical parts Side-members adjustable, e.g. telescopic |
| 5/22 | Constructions of non-optical parts Hinges |