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. 2019 Apr 1;4(1):e000251. doi: 10.1136/bmjophth-2018-000251

Table 6.

Mean absolute error for each formula by axial length

Formula Short Medium Long
Kane 0.441 0.322 0.326
Olsen 0.442 0.336 0.352
Hill 2.0 0.440 0.340 0.358
Haigis 0.472 0.353 0.322
H1 0.438 0.343 0.545
Barrett 0.479 0.344 0.331
Holladay 2 0.483 0.350 0.348
SRK/T 0.475 0.360 0.407
HofferQ 0.476 0.368 0.511