Patient | Prism cover test with scleral lens | Prism fusion range with scleral lens | 4 Dioptre base-out prism | Previous ophthalmic history | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
6 metres (prism dioptres) | 1/3 metre (prism dioptres) | 6 metres (prism dioptres) | 1/3 metre (prism dioptres) | ||||||||
1 | 1XT | 1R/L | 4XT | 1R/L | 10 PBO–4 PBI | 40 PBO–4 PBI | Not overcome | Patched | |||
2 | 4XT | 16XT | 4 PBO–6 PBI | 16 PBO–14 PBI | Not overcome | None | |||||
3 | 12XT | 8XT | NIL | NIL | Not overcome | None | |||||
4 | 2XT | 8XT | 12 PBO–2 PBI | 25 PBO–8 PBI | Not overcome | None | |||||
5 | 16XT | 2L/R | 16XT | 2L/R | 6 PBO–2 PBI | 6 PBO–2 PBI | Not overcome | None | |||
6 | 1XT | 1L/R | 4XT | 1L/R | NIL | 18 PBO–8 PBI | Not overcome | PK | |||
7 | 4XT | 2R/L | 10XT | 6 PBO–1 PBI | 6 PBO–1 PBI | Not overcome | None | ||||
8 | 4XT | 2R/L | 6XT | 16 PBO–6 PBI | 35 PBO–10 PBI | Not overcome | None | ||||
9 | 2XT | 2L/R | 8XT | 2L/R | 10 PBO–8 PBI | 20 PBO–16 PBI | Not overcome | PK | |||
10 | 1XT | 4XT | 16 PBO–8 PBI | 35 PBO–10 PBI | Not overcome | None | |||||
11 | 2ET | 1R/L | 4XT | 1R/L | 20 PBO–2 PBI | 45 PBO–16 PBI | Not overcome | None | |||
12 | 6XT | 16XT | NIL | NIL | Not binocular | None | |||||
13 | 1ET | 2L/R | 2XT | 3L/R | 16 PBO–4 PBI | 30 PBO–14 PBI | Not overcome | None | |||
14 | 1XT | 1XT | 20 PBO–8 PBI | 40 PBO–16 PBI | Not overcome | None | |||||
15 | 0 | 4R/L | 6XT | 2R/L | 16 PBO–6 PBI | 30 PBO–14 PBI | Not overcome | None | |||
16 | 6XT | 4XT | NIL | NIL | Not binocular | None | |||||
17 | 2XT | 1R/L | 8XT | 2R/L | 6 PBO–6 PBI | 25 PBO–14 PBI | Not overcome | None | |||
18 | 20XT | 6R/L | 4XT | 2R/L | 20 PBO–10 PBI | 20 PBO–12 PBI | Not overcome | None | |||
19 | 0 | 1L/R | 6XT | 2L/R | 12 PBO–4 PBI | 30 PBO–10 PBI | Not overcome | None | |||
20 | 1XT | 10XT | 2 PBO–4 PBI | 4 PBO–4 PBI | Not overcome | None |
XT = exodeviation; ET = esodeviation; PBO = prism base out; PBI = prism base in; PK = penetrating keratoplasty to fellow eye; R/L = right over left; L/R = left over right.