OCULUS Pentacam Interpretation Guide

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16 INTACS® implantation...............................................................................................................117-122
16.1 Case 1: by Prof. Michael W. Belin....................................................................................................117
16.2 Case 2: INTACS® after PRK by Alain-Nicolas Gilg, MD............................................................ 119
16.3 Case 3: INTACS® & crosslinking by Prof. Renato Ambrósio Jr,
Fernando Faria-Correia, MD, Allan Luz, MD ................................................................................ 121
17 Holladay Report & Holladay EKR65 Detail Report by Jack T. Holladay, MD................123-136
17.1 Holladay Report....................................................................................................................................123
17.2 Holladay EKR65 Detail Report.........................................................................................................129
17.3 Case 1: Holladay Report & Holladay EKR65 Detail Report of a normal exam ..................130
17.4 Case 2: Holladay Report & Holladay EKR65 Detail Report of a keratoconus exam.........133
17.5 Case 3: Holladay Report & Holladay EKR65 Detail Report of a post LASIK exam............135
18 Corneal tomographic analysis is essential before cataract surgery -
4 steps in screening candidates for premium IOLs by Prof. Naoyuki Maeda............. 137-140
18.1 Corneal topography for selecting premium IOLs.......................................................................137
18.2 Step 1: Evaluation of corneal irregular astigmatism.................................................................140
18.3 Step 2: Detection of abnormal corneal shape ............................................................................ 140
18.4 Step 3: Evaluation of corneal spherical aberration ...................................................................140
18.5 Step 4: Evaluation of corneal cylinder ..........................................................................................140
19 Dependency of effective phacoemulsification time on Pentacam® Nucleus Staging (PNS)
by Mehdi Shajari, MD, Wolfgang Mayer, MD, Prof. Thomas Kohnen............................141-142
19.1 Introduction ..........................................................................................................................................141
19.2 Case 1: Low PNS and low EPT .........................................................................................................142
19.3 Case 2: High PNS and high EPT ......................................................................................................142
20 Total corneal astigmatism for toric IOL by Giacomo Savini, MD...................................143-148
20.1 Case 1: Cylinder overcorrection from measurement of keratometric astigmatism
in an eye with WTRA..........................................................................................................................144
20.2 Case 2: Cylinder undercorrection from measurement of keratometric astigmatism
in an eye with ATRA ...........................................................................................................................146
20.3 Case 3: Cylinder overcorrection from measurement of keratometric astigmatism .........147
21 Overview about IOL power calculation formulas for different eye types............................. 149
22 Phakic IOL implantation .........................................................................................................150-160
22.1 Manual pre-op simulation and post-op control by Eduardo Viteri, MD.............................150
22.1.1 Pre-operative evaluation...................................................................................................150
22.1.2 Post-operative evaluation.................................................................................................151
22.2 3D pIOL Simulation Software and Aging Prediction by Prof. Burkhard Dick,
Sabine Buchner, Optometrist............................................................................................................151
22.2.1 Myopic Artisan/Verisyse, 6/8.5 mm ................................................................................151
22.2.2 Toric Artisan/Verisyse, 5/8.5 mm ....................................................................................155
22.3 Patient selection criteria by Prof. Burkhard Dick,
Sabine Buchner, Optometrist............................................................................................................157
22.4 Case example of ectasia after LASIK, crosslinking and pIOL implantation
by Prof. Renato Ambrósio Jr, Fernando Faria-Correia, MD, Allan Luz, MD.........................159
Table of contents

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