Table 1

Indications for corneal transplantation reported to the New Zealand National Eye Bank, 1991–2015

Number of corneal transplants (%)
Indication for corneal transplant1991–19951996–20002001–20052006–20102011–2015
Keratoconus376 (44.8)467 (45.9)460 (43.0)474 (40.3)507 (34.5)
Regraft41 (4.9)118 (11.6)199 (18.6)223 (18.9)340 (23.1)
Fuchs endothelial corneal dystrophy27 (3.2)57 (5.6)82 (7.7)133 (11.3)249 (17.0)
Bullous keratopathy (aphakic/pseudophakic)156 (18.6)184 (18.1)172* (16.1)147* (12.5)159* (10.8)
Keratitis (total)117 (13.9)131 (12.9)93 (8.7)67 (5.7)64 (4.4)
 Infective99 (11.8)115 (11.3)75 (7.0)54 (4.6)55 (3.7)
 Non-infective or unspecified18 (2.1)16 (1.6)18 (1.7)13 (1.1)9 (0.6)
Trauma (total)67 (8.0)43 (4.2)31 (2.9)45 (3.8)44 (3.0)
 Chemical (thermal)11 (1.3)4 (0.4)3 (1)
(0.3)
6 (1)
(0.5)
5 (0.3)
 Penetrating55 (6.6)37 (3.6)26 (2.4)31 (2.6)35 (2.4)
Other corneal dystrophy49 (5.8)40 (3.9)29 (2.7)21 (1.8)9 (0.6)
Unspecified or other93 (11.1)61 (6.0)140 (13.1)115 (9.8)211 (14.4)
Total8391018107111771469
Population estimate (million people)3.583.804.024.274.48
  • Ranked according to frequency in the 2011–2015 period.

  • In total, 448 corneal transplants listed more than one indication.

  • *During these periods, there were 13, 22 and 17 cases of unspecified bullous keratopathy and a drop in aphakic bullous keratopathy from 26 (2.4%) in 2001–2005 to 12 (0.8%) in 2011–2015.