OCULUS Pentacam

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Figure 28: Corneal Power Distribution showing normal power distribution in OD

Figure 29: Corneal Power Distribution showing a markedly increased power from 2.0 to

3.0 mm in OS

7 Corneal Power Distribution display

Main Page

Default Chapter3
- Table of Contents3
1 Introduction7
2 Description of the Unit and General Remarks7
3 Differences between the Various Topography Maps of Pentacam8
- Calculation of Corneal Power8
- Sagittal Power Map (also Called Axial Power Map)9
- Refractive Power Map10
- True Net Power11
- Equivalent Keratometer Readings Power Map12
- Total Cornea Refractive Power Map13
- Differences between the Various Topography Maps of Pentacam13
4 Recommended Settings and Color Maps, Displays and Values14
- Recommended Settings14
- Recommended Color Maps, Displays and Values15
5 Differences between Placido and Elevation-Derived Curvature Maps by Prof. Michael W. Belin17
- Keratoconus in OD and os17
- Form Fruste Keratoconus20
6 Fast Screening Report as a First Step in Examining a Patient and Evaluating22
- One's Findings by Ina Conrad-Hengerer, MD22
- Case 1: Unilateral High Astigmatism with Suspicion of Bilateral Keratoconus22
- Case 2: Fuchs' Dystrophy with DMEK Cataract Surgery - Progress Evaluation25
- Case 3: Corneal Injury Sustained from an Eye Drop Bottle after Cataract Surgery28
7 Refractive Power Distribution Display by Ina Conrad-Hengerer, MD30
- Visual Acuity Impairment During Nighttime Driving with Distance Spectacles - Nocturnal Myopia30
8 Corneal Ectasia33
- Case 1: Ectasia after Radial Keratotomy by Prof. Renato Ambrósio Jr33
- Case 2: Ectasia after LASIK? by Prof. Michael W. Belin35
- Corneal Ectasia37
9 Glaucoma38
- Case 1: General Screening by Tobias H. Neuhann, MD38
- Case 2: YAG Laser Iridectomy by Eduardo Viteri, MD39
- Screening for Narrow Angles by Dilraj S. Grewal, MD41
  - Case 141
  - Case 244
- Evaluating the Anterior Segment in Phacomorphic Glaucoma by Dilraj S. Grewal, MD47
10 Screening for Refractive Surgery by Prof. Michael W. Belin49
- Screening Parameters, 4 Maps Refractive Display49
- Normal, Astigmatic Cornea51
  - Astigmatism on the Posterior Cornea54
  - Spherical Cornea55
- Thin Spherical Cornea56
- Thin Cornea57
  - Borderline Case of Keratoconus58
  - Displaced Apex59
- Pellucid Marginal Degeneration60
- Asymmetric Keratoconus61
  - Keratoconus with False Negative Findings on Curvature Map63
  - Keratoconus Greater in OD than os64
- Classic Keratoconus65
11 Corneal Thickness Spatial Profile by Prof. Renato Ambrósio Jr66
- Screening for Ectasia by Prof. Renato Ambrósio Jr, Marcela Q. Salomão, MD69
- Case 1: Fuchs' Dystrophy by Prof. Renato Ambrósio Jr, Marcela Q. Salomão, MD74
- Case 2: Ocular Hypertension by Prof. Renato Ambrósio Jr, Marcela Q. Salomão, MD76
- Case 3: Early Fuchs' Dystrophy with Glaucoma by Prof. Renato Ambrósio Jr, Marcela Q. Salomão, MD78
- Screening Parameters by Prof. Renato Ambrósio Jr81
12 Belin/Ambrósio Enhanced Ectasia Display82
- Why Elevation Is Displayed by Prof. Michael W. Belin82
- Simplifying Preoperative Keratoconus Screening by Prof. Michael W. Belin, Prof. Renato Ambrósio Jr, Andreas Steinmüller, Msc90
- Interpretation of the Belin/Ambrósio Enhanced Ectasia Display96
- Pachymetry Evaluation98
- Ectasia Susceptibility Revealed by the Belin/Ambrósio Enhanced Ectasia Display98
- Early Ectasia with Asymmetric Keratoconus by Prof. Renato Ambrósio Jr, Fernando Faria-Correia, MD, Allan Luz, MD102
13 Locating the Cone by Prof. Michael W. Belin104
- Belin/Ambrósio Enhanced Ectasia Display104
14 The Corneal Densitometry Screen, Sorcha S. Ní Dhubhghaill, MB, Phd105
- Jos J. Rozema, Msc, Phd105
- Keratic Precipitates106
- Position and Depth of INTACS Rings108
- DSAEK with Specks at the Interface109
- Surgery Outcomes by Arun C. Gulani, MD, MS110
15 Using Pentacam® Technology to Evaluate Corneal Scars, Planning and Documenting111
- Case 1: Corneal Scar with RK Incisions and Cataract114
- Case 2: Keratoconus with Congenital Cataract, High Myopia and High Astigmatism117
16 INTACS® Implantation119
- Case 1: by Prof. Michael W. Belin119
- Case 2: INTACS® after PRK by Alain-Nicolas Gilg, MD121
- Case 3: INTACS® & Crosslinking by Prof. Renato Ambrósio Jr, Fernando Faria-Correia, MD, Allan Luz, MD123
- INTACS® Implantation124
17 Holladay Report & Holladay EKR65 Detail Report by Jack T. Holladay, MD125
- Holladay Report125
- Holladay EKR65 Detail Report131
- Case 1: Holladay Report & Holladay EKR65 Detail Report of a Normal Exam132
- Case 2: Holladay Report & Holladay EKR65 Detail Report of a Keratoconus Exam135
- Case 3: Holladay Report & Holladay EKR65 Detail Report of a Post LASIK Exam137
18 Corneal Tomographic Analysis Is Essential before Cataract Surgery - 4 Steps in Screening Candidates for Premium Iols by Prof. Naoyuki Maeda139
- Corneal Topography for Selecting Premium Iols139
- Step 1: Evaluation of Corneal Irregular Astigmatism142
- Step 2: Detection of Abnormal Corneal Shape142
- Step 3: Evaluation of Corneal Spherical Aberration142
- Step 4: Evaluation of Corneal Cylinder142
19 Dependency of Effective Phacoemulsification Time on Pentacam ® Nucleus Staging (PNS) by Mehdi Shajari MD, Wolfgang Mayer MD, Prof. Thomas Kohnen143
- Introduction143
- Case 1: Low PNS and Low EPT144
- Case 2: High PNS and High EPT144
20 Total Corneal Astigmatism for Toric IOL by Giacomo Savini, MD145
- Case 1: Cylinder Overcorrection from Measurement of Keratometric Astigmatism in an Eye with WTRA146
- Case 2: Cylinder Undercorrection from Measurement of Keratometric Astigmatism in an Eye with ATRA148
- Case 3: Cylinder Overcorrection from Measurement of Keratometric Astigmatism149
21 Overview about IOL Power Calculation Formulas for Different Eye Types151
22 Phakic IOL Implantation152
- Manual Pre-Op Simulation and Post-Op Control by Eduardo Viteri, MD152
  - Preoperative Evaluation152
  - Postoperative Evaluation153
- Piol Simulation Software and Aging Prediction by Prof. Burkhard Dick, Sabine Buchner, Optometrist153
  - Myopic Artisan/Verisyse 6/8.5 MM153
  - Toric Artisan/Verisyse, 5/8.5 MM157
- Patient Selection Criteria by Prof. Burkhard Dick, Sabine Buchner, Optometrist159
- Case Example of Ectasia after LASIK, Crosslinking and Piol Implantation by Prof. Renato Ambrósio Jr, Fernando Faria-Correia, MD, Allan Luz, MD161
23 Case Reports from Daily Practice163
- Case 1: Cortical Cataract by Tobias H. Neuhann, MD163
- Case 2: Remove Sutures after Corneal Transplant Surgery? by Tobias H. Neuhann, MD164
- Case 3: Keratoconus and Cataract by Tobias H. Neuhann, MD165
- Case 4: Corneal Infiltrate by Prof. Renato Ambrósio Jr168
- Case 5: Incisional Edema by Prof. Renato Ambrósio Jr170
- Case 6: Corneal Thinning after Herpetic Keratitis by Prof. Renato Ambrósio Jr171
- Case 7: Epithelial Ingrowth after Keratomileusis in Situ by Prof. Renato Ambrósio Jr173
24 Scheimpflug and Slit Lamp Images175
- Corneal Dystrophy175
- Congenital Anterior Pyramid Cataract176
- Posterior Capsular Cataract177
- Nuclear Cataract178
- Posterior Synechia179
- Pterygium180
25 Orthokeratology, General Screening by Alain-Nicolas Gilg, MD181
26 Important Studies and Case Reports184
- Refractive Studies184
- Case Reports193
- Cataract Studies193
- Case Reports198
- Glaucoma Studies198
- Case Reports200
- Important Studies and Case Reports200
27 References201
28 List of Illustrations204
- List of Illustrations207
29 Tables Directory209
30 List of Abbreviations210
- List of Abbreviations211
31 Authors and Contact Addresses212

OCULUS Pentacam - Page 32

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