By Ming Wang, Lance J. Kugler (eds.)
Atlas and medical Reference advisor for Corneal Topography is the 1st corneal topography publication that lends itself to effective photo seek and reference for busy clinicians at chair part. geared up into either map-based and disease-based sections, the publication allows speedy reference in busy medical situations.
Images come from the generally used topographers, the Zeiss Atlas and the Oculus Pentacam, however the rules of development acceptance should be utilized to any topographer. a result of text’s huge choice of topographic photographs and corresponding corneal stipulations, Atlas and scientific Reference advisor for Corneal Topography can be utilized aspect through aspect with the topographer.
Designed as either a studying instrument for college students and a reference for clinicians to take advantage of while confronted with a difficult topography interpretation, Atlas and medical Reference consultant for Corneal Topography should be preferred via a large spectrum of eye care execs. basic ophthalmologists, cataract and refractive surgeons, corneal experts, optometrists, and ophthalmology citizens and scholars will reap the benefits of this important atlas for corneal topography.
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Additional resources for Atlas and Clinical Reference Guide for Corneal Topography
This is in contrast to a symmetric bow-tie pattern seen in normal eyes with regular astigmatism (Figure 3-1). This axial curvature map is from the Atlas topographer. 01 D, as shown in the scale to the right. 65 D. This is one example of the importance of reading full mapping instead of only the K readings, which would miss the steepest portion of the cornea. Figure 3-9. An eye is shown with central steepening, skewed inferiorly, which is consistent with keratoconus. 81 D. Again, without looking at the curvature in the individual rings, the K readings appear normal.
Figure 6-5. Classic keratoconic pachymetric map, with severe thinning in the area of dark red at 323 μm, demonstrating inferotemporal asymmetry. PACHYMETRIC: PELLUCID MARGINAL DEGENERATION Figure 6-6. This pachymetric map shows inferotemporal displacement of the thinnest point, which is consistent with pellucid marginal degeneration. Keratoconus and pellucid marginal degeneration are generally indistinguishable in a pachymetric map. Figure 6-7. The thinnest portion of this patient’s cornea is inferotemporal, corresponding to the area of thinning typically seen in pellucid marginal degeneration patients.
Anterior elevation map of a patient who had radial keratotomy (RK) surgery. As with RK surgery, midperipheral elevation coincides with central flattening. Figure 4-10. It is common to see areas of focal elevation around RK incisions, as the incisions tend to rise anteriorly, relative to the flat central optical zone. Anterior Elevation Maps 25 Figure 4-11. Map of a patient who underwent astigmatic keratotomy and RK. The marked elevation in the superior and inferior portions of the cornea corresponds with the astigmatic keratotomy incisions, which have risen anteriorly.