Comment on

• Three-dimensional representations of corneal deformations from keratotopography data.

  Huber C, Huber A, Gruber H. Huber C, et al. J Cataract Refract Surg. 1997 Mar;23(2):202-8. doi: 10.1016/s0886-3350(97)80343-4. J Cataract Refract Surg. 1997. PMID: 9113571
• Corneal topography using the Holladay Diagnostic Summary.

  Holladay JT. Holladay JT. J Cataract Refract Surg. 1997 Mar;23(2):209-21. doi: 10.1016/s0886-3350(97)80344-6. J Cataract Refract Surg. 1997. PMID: 9113572
• Rasterstereography-based classification of normal corneas.

  Naufal SC, Hess JS, Friedlander MH, Granet NS. Naufal SC, et al. J Cataract Refract Surg. 1997 Mar;23(2):222-30. doi: 10.1016/s0886-3350(97)80345-8. J Cataract Refract Surg. 1997. PMID: 9113573