OCULUS Pentacam Interpretation Guide

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19. Ambrosio R Jr, Dawson DG, Salomao M, et al. Corneal ectasia after LASIK despite low
preoperative risk: tomographic and biomechanical findings in the unoperated, stable, fellow eye.
J Refract Surg 2010; 26(11):906-11
20. Ambrosio R Jr, Randleman JB. Screening for ectasia risk: what are we screening for and how
should we screen for it? J Refract Surg 2013;29(4):230-2
21. Klein SR, Epstein RJ, Randleman JB, Stulting RD. Corneal ectasia after laser in situ keratomileusis
in patients without apparent preoperative risk factors. Cornea 2006;25(4):388-403
22. Chan CC, Hodge C, Sutton G. External analysis of the Randleman Ectasia Risk Factor Score
System: a review of 36 cases of post LASIK ectasia. Clin Experiment Ophthalmol 2010;38(4):335-
40; 40
23. Binder PS, Trattler WB. Evaluation of a risk factor scoring system for corneal ectasia after LASIK
in eyes with normal topography. J Refract Surg 2010;26(4): 241-50
24. Ambrosio R Jr, Randleman JB. Screening for ectasia risk: what are we screening for and how
should we screen for it? J Refract Surg 2013;29(4):230-2
25. Ambrosio R Jr, Nogueira LP, Caldas DL, et al. Evaluation of corneal shape and biomechanics
before LASIK. Int Ophthalmol Clin 2011;51(2):11-38
26. Ambrosio R Jr, Randleman JB. Screening for ectasia risk: what are we screening for and how
should we screen for it? J Refract Surg 2013;29(4):230-2
27. Ambrosio R Jr, Nogueira LP, Caldas DL, et al. Evaluation of corneal shape and biomechanics
before LASIK. Int Ophthalmol Clin 2011;51(2):11-38
28. Ambrosio R Jr, Ramos I, Faria-Correia F, Belin MW. Tomographic Screening for Ectasia
Susceptibility - Analysis must go beyond corneal curvature and central thickness. J. Cataract
Refract Surg Today Europe 2012;20-5
29. Ambrosio R Jr, Valbon BF, Faria-Correia F, et al. Scheimpflug imaging for laser refractive surgery.
Curr Opin Ophthalmol 2013;24(4):310-20
30. Normative values for corneal densitometry analysis by Scheimpflug optical assessment. Ní
Dhubhghaill, Rozema et al IOVS 2014
31. Hill WE, Steinmueller A: Corneal Power Measurements Using Scheimpflug Imaging in Eyes With
Prior Corneal Refractive Surgery. J Refract Surg. 2009;25:862-868
32. Li Wang, MD, PhD, Douglas D. Koch, MD. Custom optimization of intraocular lens asphericity. J
Cataract Refract Surg 2007; 33:1713–1720
33. Holladay JT. Quality of Vision: Essential Optics for the Cataract and Refractive Surgeon.
Thorofare: Slack, 2007 pp 32-4
34. Holladay JT. Corneal topography using the Holladay Diagnostic Summary. J Cataract Refract Surg.
1997; 23: 209-21
35. Holladay JT, Hill WE, Steinmueller A: Corneal Power Measurements Using Scheimpflug Imaging in
Eyes With Prior Corneal Refractive Surgery. J Refract Surg. 2009;25:862-868
36. Holladay JT. Accuracy of Scheimpflug Holladay equivalent keratometry readings after corneal
refractive surgery. J Cat Ref Surg. 2010;36:182-3
37. Holladay JT. Automated keratometry in routine cataract surgery: Comparison of Scheimpflug and
conventional values. Journal of Cataract & Refractive Surgery. 2011; 37:1738-9
27 References

OCULUS Pentacam Specifications

General

Measurement Time	Less than 2 seconds
Corneal Coverage	Up to 12 mm
Software	Pentacam Software
Data Transfer	USB
Corneal Topography	Yes
Display	External monitor required
Measurement Principle	Scheimpflug imaging
Camera	Rotating Scheimpflug camera
Light Source	Blue LED
Pachymetry	Yes
Anterior Chamber Analysis	Yes
Imaging Principle	Scheimpflug imaging
Fixation	Internal
Power Supply	100-240 V, 50/60 Hz
Resolution	High resolution
Lens Density Measurement	Yes
Dimensions	Varies depending on model and configuration
Weight	Varies by model, check manufacturer specifications
Number of Images	25 or 50