Table 8 Changes in corneal diagnostic categories
Time period | 1945–1954 | 1955–1964 | 1965–1974 | 1975–1984 | 1985–1994 | 1995–2004 | 2005–2015 | Total number |
|---|---|---|---|---|---|---|---|---|
Dystrophy | 0 (0%) | 0 (0%) | 38 (15%) | 78 (14%) | 92 (11%) | 201 (17%) | 1,171 (27%) | 1,580 (22%) |
Keratoconus | 0 (0%) | 2 (4.1%) | 33 (13%) | 122 (21%) | 155 (19%) | 217 (18%) | 446 (10%) | 975 (13%) |
Inflammation | 6 (22%) | 13 (27%) | 29 (11%) | 107 (19%) | 77 (9.4%) | 165 (14%) | 435 (10%) | 832 (11%) |
Transplant failure | 4 (15%) | 3 (6.1%) | 28 (11%) | 55 (10%) | 48 (5.9%) | 65 (5.3%) | 603 (14%) | 806 (11%) |
Scar tissue | 2 (7.0%) | 7 (14%) | 76 (29%) | 89 (16%) | 101 (12%) | 87 (7.1%) | 368 (8.4%) | 730 (10%) |
BK w/o cataract surgery | 0 (0%) | 0 (0%) | 0 (0%) | 9 (1.6%) | 23 (2.8%) | 128 (11%) | 288 (6.6%) | 448 (6.1%) |
BK w/cataract surgery | 0 (0%) | 0 (0%) | 4 (1.5%) | 29 (5.1%) | 114 (14%) | 39 (3.2%) | 79 (1.8%) | 265 (3.6%) |
Ulcer | 7 (26%) | 4 (8.2%) | 7 (2.7%) | 19 (3.4%) | 35 (4.3%) | 93 (7.6%) | 246 (5.6%) | 411 (5.6%) |
Malignant tumour | 5 (19%) | 3 (6.1%) | 2 (0.8%) | 1 (0.2%) | 5 (0.6%) | 8 (0.7%) | 6 (0.1%) | 30 (0.4%) |
Other corneal diagnosis | 3 (11%) | 17 (35%) | 43 (17%) | 59 (10%) | 167 (20%) | 213 (18%) | 740 (17%) | 1,242 (17%) |
Sum | 27 | 49 | 260 | 568 | 817 | 1,216 | 4,382 | 7,319 |