204
Figure 104: BFS-based elevation map of an astigmatic eye................................................................................................................... 85
Figure 105: Elevation map of a keratoconic cornea.............................................................................................................................. 86
Figure 106: Elevation superimposed on an astigmatic pattern....................................................................................................... 86
Figure 107: Elevation map of a keratoconic cornea using an enhanced reference shape with an exclusion
zone to improve detectability...................................................................................................................................................
87
Figure 108: Enhanced reference surface...................................................................................................................................................... 87
Figure 109: Standard BFS on the left, enhanced reference surface on the right............................................................................. 87
Figure 110: Belin/Ambrósio Enhanced Ectasia Display (version II) of a normal highly astigmatic eye..................................... 90
Figure 111: Belin/Ambrósio Enhanced Ectasia Display (version II) of a cornea with an isolated suspicious area on the
posterior cornea............................................................................................................................................................................ 91
Figure 112: Interesting example of the value of the Belin/Ambrósio Enhanced Ectasia Display (version II) and the “D”
values............................................................................................................................................................................................... 92
Figure 113: Belin/Ambrósio Enhanced Ectasia Display (version II) of a case diagnosed as “mild” keratoconus based only
on the anterior cornea. A fuller picture is obtained by tomography............................................................................. 93
Figure 114: Belin/Ambrósio Enhanced Ectasia Display (version I) showing elevation data on the left and pachymetry
data on the right)......................................................................................................................................................................... 95
Figure 115: Placido topopraphy in OD showing no keratoconus........................................................................................................... 97
Figure 116: Placido topography in OS showing no keratoconus............................................................................................................ 97
Figure 117: Belin/Ambrósio Enhanced Ectasia Display (version I) showing subclinical keratoconus in OS............................. 98
Figure 118: Belin/Ambrósio Enhanced Ectasia Display (version I) showing subclinical keratoconus in OD............................. 99
Figure 119: Show 2 Exams, anterior curvature sagittal map showing mild keratoconus in OD and forme fruste
keratoconus in OS........................................................................................................................................................................100
Figure 120: Belin/Ambrósio Enhanced Ectasia Display (version III) showing mild keratoconus in OD...................................... 101
Figure 121: Belin/Ambrósio Enhanced Ectasia Display (version III) showing forme fruste keratoconus in OS....................... 101
Figure 122: 4 Maps Selectable with different representations suggesting different cone locations.................................102
Figure 123: Corneal Optical Densitometry display showing a patient’s endothelial densitometry at his initial
presentation...................................................................................................................................................................................104
Figure 124: Slit lamp photo of the same eye at the patient’s initial presentation....................................................................104
Figure 125: Corneal Optical Densitometry showing keratic precipitates after one week of therapy...................................105
Figure 126: Corneal Optical Densitometry showing keratic precipitates after two weeks of therapy.................................105
Figure 127: Corneal Optical Densitometry display showing the position and depth of INTACS® corneal ring
segments.........................................................................................................................................................................................106
Figure 128: Corneal Optical Densitometry display showing specks and precipitates at the lamellar interface
post DSAEK.....................................................................................................................................................................................107
Figure 129: Corneal Optical Densitometry display showing findings on an on-cornea scar..................................................108
Figure 130: Post- and pre-op slit lamp images of an on-cornea scar...........................................................................................109
Figure 131: General Overview showing findings on an in-cornea scar in the Scheimpflug image.............................................109
Figure 132: Pre- and post-op slit lamp images of an in-cornea scar.................................................................................................. 110
Figure 133: INTACS® for optical manipulation and laser refractive combinations.................................................................... 111
Figure 134: Corneal Optical Densitometry display showing a central corneal scar with RK incisions and cataract.......112
Figure 135: Slit lamp image of a central corneal scar with RK incisions and cataract............................................................112
Figure 136: Corneal Optical Densitometry display showing a clear cornea following laser scar peel;
cataract present........................................................................................................................................................................... 113
Figure 137: Slit lamp image showing a clear cornea following laser scar peel; cataract present..............................................113
Figure 138: Corneal Optical Densitometry display showing status post cataract surgery with toric lens implant
giving 20/20 vision......................................................................................................................................................................
114
Figure 139: Slit lamp image showing status post cataract surgery with toric lens implant giving 20/20 vision..................114
Figure 140: Corneal Optical Densitometry display after strategic INTACS® placement in preparation of lens
exchange surgery......................................................................................................................................................................... 115
Figure 141: Slit lamp image after strategic INTACS® placement in preparation of lens exchange surgery............................ 115
Figure 142: Corneal Optical Densitometry display showing the emmetropic outcome after lens exchange surgery;
INTACS® in place..........................................................................................................................................................................
116
Figure 143: Slit lamp image after lens exchange surgery with an emmetropic outcome; INTACS® in place......................... 116
Figure 144: Topography in a case of suspected PMD.............................................................................................................................. 117
Figure 145: Keratometer values......................................................................................................................................................................118
Figure 146: Part of 4 Maps Refrective showing a typical case of keratoconus................................................................................118
28 List of illustrations