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Manual of Glaucoma
Shibal Bhartiya, Parul Ichhpujani
SECTION 1: BASIC FUNDAMENTALS
1:
Anatomy of Optic Nerve Head
WHY MUST WE KNOW ABOUT THE ANATOMY OF OPTIC NERVE HEAD?
WHAT IS THE CHRONOLOGY OF THE DEVELOPMENT OF AN OPTIC NERVE?
WHAT IS A “NORMAL” ONH?
Superficial Nerve Fiber Layer (SNFL)
Prelaminar Part
Laminar Part
Retrolaminar Part
WHAT IS THE BLOOD SUPPLY OF ONH?
Arterial Supply
Venous Drainage
WHAT IS THE “AUTOREGULATION” OF ONH BLOOD SUPPLY?
WHAT CONNECTIVE TISSUE FORMS THE SUPPORT FRAMEWORK OF ONH?
Lamina Cribrosa
Nerve Sheaths
HOW DOES ONH BIOMECHANICS CHANGE IN GLAUCOMA?
2:
Anatomy of the Anterior Chamber Angle
WHAT IS ANTERIOR CHAMBER ANGLE?
WHY DO WE NEED TO KNOW THE ANATOMY OF ANTERIOR CHAMBER ANGLE?
WHAT FORMS THE BOUNDARIES OF ANTERIOR CHAMBER ANGLE?
Anteriorly
Posteriorly
WHICH STRUCTURES FORM THE ANGLE OF ANTERIOR CHAMBER?
SURGICAL LIMBUS
3:
Physiology and Dynamics of Aqueous Humor
WHY MUST I READ ABOUT AQUEOUS HUMOR?
WHAT IS “NORMAL” ANATOMY AND PHYSIOLOGY OF AQUEOUS PRODUCTION AND OUTFLOW?
Aqueous Production
Anatomy
Physiology
AQUEOUS OUTFLOW
Anatomy
Trabecular Meshwork
Schlemm's Canal
Collecting Channels and Aqueous Veins
Physiology
WHAT IS THE RELATION BETWEEN AQUEOUS HUMOR AND INTRAOCULAR PRESSURE?
Aqueous Humor Composition
WHAT CHANGES IN GLAUCOMA?
Altered Aqueous Humor Dynamics in Glaucoma
IMPORTANT STUFF FOR CLINICAL PRACTICE: APPLIED ANATOMY AND PHYSIOLOGY
4:
Pathogenesis of Glaucoma
WHY MUST I READ ABOUT THE PATHOGENESIS OF GLAUCOMA?
WHAT HAPPENS IN GLAUCOMA?
WHERE DOES THE DAMAGE OCCUR?
HOW DOES THE DAMAGE OCCUR?
WHAT IMPORTANT STUFF MUST BE KNOWN FOR CLINICAL PRACTICE?
Current Understanding of Pathogenesis of Glaucoma
Genetics
Open Angle Glaucoma
Angle Closure Glaucoma
Infantile Glaucoma
Neurodegeneration: Demise of RGCs
Apoptosis
Compartmentalized Self-destruction
Neurotoxicity
Oxidative Stress
Role of ROS
Role of Metalloproteinases
WHAT ARE THE CLINICAL CORRELATES?
5:
Classification of the Glaucomas
WHY MUST WE KNOW THE CLASSIFICATION SYSTEM?
WHAT IS THE “TERMINOLOGY” FOR VARIOUS FORMS OF GLAUCOMA? (TABLE 5.1)
WHAT IS THE BASIS OF CLASSIFICATION OF GLAUCOMAS?
Mechanism of Outflow Obstruction
Open-Angle Glaucoma
Angle-Closure Glaucoma
Primary Angle-Closure Disease (Table 5.3)
Developmental Anomalies of the Angle
Developmental Anomalies of the Angle
SECTION 2: DIAGNOSIS CLINCHERS
6:
Tonometry
WHAT IS TONOMETRY?
WHY DO WE NEED TONOMETRY?
History
WHO ALL NEED TONOMETRY?
WHAT IS THE REQUIRED INSTRUMENTATION?
Schiotz Indentation Tonometer
Principle and Instrumentation
HOW TO PERFORM INDENTATION TONOMETRY USING SCHIOTZ TONOMETER?
Pearls—Care of Schiotz Tonometer
Pitfalls—Sources of Error
WHAT IS THE VERDICT FOR SCHIOTZ TONOMETER?
Noncontact Tonometer (NCT)
Principle and Instrumentation
HOW TO PERFORM NON-CONTACT TONOMETRY?
Pearls—Care of NCT
Pitfalls
WHAT IS THE VERDICT FOR NCT?
Goldmann Applanation Tonometer
Principle
Modified Imbert-Fick Law
HOW TO PERFORM APPLANATION TONOMETRY USING GAT?
Common Sources of Error and Ways to Avoid Them
Patients with Marked Astigmatism
HOW TO DETECT CALIBRATION ERROR OF THE GAT?
HOW TO DISINFECT GAT PRISM?
Pitfalls
WHAT IS THE VERDICT FOR GAT?
Perkins Tonometer
Tonopen
Principle and Instrumentation
Pitfalls
WHAT IS THE VERDICT FOR TONOPEN?
Dynamic Contour Tonometer (DCT)
Principle and Instrumentation
HOW TO PERFORM CONTACT TONOMETRY USING DCT?
WHAT IS THE VERDICT FOR DCT?
Ocular Response Analyzer (ORA)
Principle and Instrumentation
Pearls
WHAT IS THE VERDICT FOR ORA?
Rebound Tonometer
Principle and Instrumentation
Pitfalls
WHAT IS THE VERDICT FOR REBOUND TONOMETER?
Contact Lens Tonometry
Principle and Design
Tonometry in Supine Position
Diurnal and 24-Hour IOP Monitoring
7:
Pachymetry in Glaucoma
INTRODUCTION
PRINCIPLES
WHO ALL NEED THE TEST? WHEN DO WE REPEAT THE TEST?
WHAT IS THE REQUIRED INSTRUMENTATION?
HOW TO PERFORM THE TEST?
WHAT IS THE SCIENTIFIC VERDICT?
CLINICAL EXAMPLES
Case 1. Thin Cornea
Case 2. Thick Cornea
PEARLS AND PITFALLS
8:
Optic Nerve Head Evaluation
THE TEST
WHY DO WE NEED TO EVALUATE THE OPTIC NERVE?
WHO NEEDS THE TEST?
WHAT IS THE REQUIRED INSTRUMENTATION FOR OPTIC NERVE HEAD EVALUATION?
Ophthalmoscopy
Visual Acuity
Color Perception
Reflexes
Visual Field Mapping
HOW TO PERFORM THE TEST?
Ophthalmoscopy
Visual Acuity
Color Perception
Reflexes
Visual Field Mapping
WHAT IS THE SCIENTIFIC VERDICT?
PEARLS AND PITFALLS
9:
Gonioscopy
THE TEST
PRINCIPLE OF GONIOSCOPY
WHY DO WE NEED GONIOSCOPY?
How to Differentiate between Normal Iris Vessels and New Vessel in the Angle?
WHAT ARE THE CONTRAINDICATIONS FOR PERFORMING GONIOSCOPY?
WHEN TO DO GONIOSCOPY?
WHAT IS THE REQUIRED INSTRUMENTATION FOR GONIOSCOPY?
Direct Method
Uses
Indirect Method
Pearls and Pitfalls
HOW TO PERFORM GONIOSCOPY?
Slit Lamp Settings
INDENTATION GONIOSCOPY
Why do We Need Indentation Gonioscopy?
ARTIFACTS WHEN PERFORMING GONIOSCOPY
WHAT ARE THE STRUCTURES OF ANTERIOR CHAMBER ANGLE SEEN THROUGH A GONIOSCOPE?
Schwalbe's Line
How to Identify Schwalbe's Line?
Trabecular Meshwork
Scleral Spur
Ciliary Body Band
Sclemmn Canal
How to Differentiate between Iris Processes and Peripheral Anterior Synechiae? (Fig. 9.12)
HOW TO GRADE THE ANGLE?
Van Herrick-Shaffer Grading
Van Herrick System
CLASSIFICATION OF THE ANGLE
Scheie Classification
Shaffer's Classification
Spaeth's Classification System
HOW TO DISINFECT GONIOLENSES?
Cleaning
Disinfection
Sterilization
10:
Ultrasound Biomicroscopy
THE TEST
WHY DO WE NEED THE TEST?
HOW TO PERFORM THE TEST?
WHAT IS THE REQUIRED/AVAILABLE INSTRUMENTATION?
PEARLS AND PITFALLS
POINTS OF IMPORTANCE DURING THE EVALUATION
Possibilities of Evaluation in Glaucoma
Evaluation of Angle Structures and its Measurement
Narrow Angle and Angle Closure
Open-angle Glaucomas
Trauma
Post Surgery
Causes of Hypotony
Contraindications to UBM
Alternative of UBM Evaluation
CONCLUSION
11:
Automated Perimetry: A Synopsis
WHAT IS VISUAL FIELD?
WHAT ARE THE BASIC PERIMETRY TECHNIQUES?
Kinetic Versus Static Perimetry
HISTORY OF AUTOMATION AND STATISTICAL ANALYSIS
WHAT IS THE BASIC TERMINOLOGY IN RELATION TO PERIMETRY?
WHAT IS THE REQUIRED INSTRUMENTATION?
HOW TO DO A VISUAL FIELD TEST?
WHAT INSTRUCTIONS SHOULD BE GIVEN TO THE PATIENT?
WHICH PROGRAM TO SELECT?
WHICH TESTING STRATEGIES TO USE?
WHAT ARE THE CHARACTERISTICS OF A TYPICAL GLAUCOMATOUS VISUAL FIELD?
SEVERITY OF FIELD CHANGES (HODAPP, ANDERSON, AND PARRISH CLASSIFICATION)
Early Glaucoma
Moderate Glaucoma
Severe Glaucoma
SHORT WAVELENGTH AUTOMATED PERIMETRY AND FREQUENCY DOUBLING PERIMETRY
HOW TO DETECT PROGRESSION OF VISUAL FIELD CHANGES IN GLAUCOMA?
WHAT IS THE DIFFERENCE BETWEEN FLUCTUATION AND PROGRESSION?
HOW FREQUENTLY SHOULD VISUAL FIELDS BE DONE TO ASSESS GLAUCOMA PROGRESSION?
WHAT ARE EVENT AND TREND-BASED ANALYSES?
PROGRESSION ANALYSIS USING OCTOPUS EYESUITE PERIMETRY
12:
Frequency Doubling Technology Perimetry
INTRODUCTION
WHAT IS FREQUENCY DOUBLING TECHNIQUE PERIMETRY?
WHAT IS FREQUENCY DOUBLING?
WHO NEED THE FDT PERIMETRY?
WHAT IS THE REQUIRED INSTRUMENTATION?
Machine Specifications
WHAT IS THE STIMULUS?
WHAT ARE THE TEST PATTERNS?
The C20 Pattern
The N30 Pattern
HOW TO CALIBRATE THE FDT PERIMETER?
HOW IS THE FDT PERIMETRY TEST PERFORMED?
Instructions for Patients
What are the Available Test Strategies?
Threshold Tests
Suprathreshold Tests (Screening Tests)
Normative Database
HOW TO INTERPRET A FDT PERIMETRY PRINTOUT?
Zone 1: General Information
Zone 2: Reliability Indices
Zone 3: Threshold Plot
Zone 4: Total Deviation (TD Plot)
Zone 5: Pattern Deviation Probability (PDP Plot)
Zone 6: Global Indices
WHEN TO LABEL A FDT TEST AS “ABNORMAL”?
FDT MATRIX: UPDATED FDT PERIMETER
SOFTWARE UPGRADES IN FDT MATRIX PERIMETER
Test Stimulus
Test Patterns
Screening Tests
Threshold Tests
WHAT IS THE SCIENTIFIC VERDICT FOR FDT PERIMETRY?
PEARLS AND PITFALLS
13:
Optical Coherence Tomography for Glaucoma
THE TEST
WHY THE SHIFT FROM TIME DOMAIN OCT AND SPECTRAL DOMAIN OCT?
WHY DO WE NEED THE TEST?
WHO ALL NEED THE TEST? WHEN DO WE REPEAT THE TEST?
WHAT ARE THE LIMITATIONS OF THE TDOCT WHEN USED FOR RNFL THICKNESS ANALYSIS?
WHAT IS THE REQUIRED INSTRUMENTATION?
HOW TO PERFORM THE TEST?
RETINAL NERVE FIBER LAYER
OPTIC NERVE HEAD
GANGLION CELL ANALYSIS
GUIDED PROGRESSION ANALYSIS
SPECTRALIS POSTERIOR POLE ASYMMETRY ANALYSIS
WHAT IS THE SCIENTIFIC VERDICT?
PEARLS AND PITFALLS
14:
Anterior Segment Optical Coherence Tomography in Glaucoma
WHAT IS ANTERIOR SEGMENT OPTICAL COHERENCE TOMOGRAPHY?
HOW DOES ASOCT WORK?
Principle of ASOCT
WHY DO WE NEED ASOCT?
ASOCT AND GLAUCOMA
Central Corneal Thickness
Anterior Chamber Depth
Iris and Iridocorneal Angle
Refractive Surgery
Glaucoma Surgeries
OTHER USES
WHAT IS THE REQUIRED INSTRUMENTATION?
HOW TO PERFORM THE TEST?
WHAT IS THE SCIENTIFIC VERDICT?
CLINICAL EXAMPLES
PEARLS AND PITFALLS
15:
Confocal Scanning Laser Tomography: Heidelberg Retina Tomograph
INTRODUCTION
WHAT IS THE PRINCIPLE OF CONFOCAL SCANNING LASER TOMOGRAPHY?
HOW IS THE OPTIC DISC IMAGED?
WHICH PARAMETERS ARE ASSESSED BY HRT?
PROGRESSION ANALYSIS
CLINICAL CASES
Case 1
Case 2
WHAT IS THE SCIENTIFIC EVIDENCE/VERDICT?
SECTION 3: OPEN-ANGLE GLAUCOMAS
16:
Glaucoma Suspects
WHO IS A GLAUCOMA SUSPECT?
WHEN SHOULD YOU SUSPECT GLAUCOMA IN A PATIENT?
WHO IS AT RISK OF DEVELOPING GLAUCOMA?
HOW DO GLAUCOMA SUSPECTS PRESENT?
WHAT IS THE NATURAL HISTORY OF GLAUCOMA?
WHAT TO DO WITH A PATIENT REFERRED AS A GLAUCOMA SUSPECT?
History
Examination
Investigations
HOW TO FOLLOW-UP GLAUCOMA SUSPECTS?
WHAT ARE THE INDICATIONS TO COMMENCE TREATMENT IN GLAUCOMA SUSPECTS?
SUMMARY
17:
Ocular Hypertension
WHAT IS OCULAR HYPERTENSION?
WHO IS AT RISK?
WHAT CAUSES OCULAR HYPERTENSION?
HOW DOES IT PRESENT?
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW DO I MANAGE OCULAR HYPERTENSION?
Diagnosis
Treatment
FOLLOW-UP: WHEN AND HOW?
18:
Primary Open-Angle Glaucoma
WHAT IS PRIMARY OPEN-ANGLE GLAUCOMA?
WHO IS AT RISK?
Prevalence and Incidence
Risk Factors
Elevated IOP
Age
Family History
Ethnicity
Central Corneal Thickness
Low Ocular Perfusion Pressure
Type 2 Diabetes Mellitus
Myopia
Optic Disc Hemorrhage
Other Risk Factors
WHAT CAUSES POAG?
HOW DOES IT PRESENT?
WHAT ARE THE SYMPTOMS OF GLAUCOMATOUS SCOTOMATA?
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE POAG?
Principles of Management
Diagnosis
Diagnostic Baselines
History
Ocular Examination
Visual Field Testing
Consider Adjunctive Tests
POAG Diagnosis
Document POAG Severity
Treatment
IOP Reduction
Target Pressure
Setting the “Target Pressure”
Treatment Selection
Medical Therapy
Antiglaucoma Medication in Pregnancy and Lactation
Laser Trabeculoplasty
Incisional Glaucoma Surgery
Trabeculectomy
Nonpenetrating Glaucoma Surgery
Glaucoma Drainage Device
WHAT IF CATARACT AND POAG COEXIST?
Cyclodestructive Procedures
Minimally Invasive Glaucoma Surgery
HOW TO FOLLOW-UP A PATIENT OF POAG?
Follow-up Interval
Patient Review at Follow-up
Counseling
Minimizing the Impact from Glaucoma
19:
Normal Tension Glaucoma
WHAT IS NORMAL TENSION GLAUCOMA?
WHO IS AT RISK?
WHAT CAUSES NTG?
Pathophysiology
Role of IOP
Role of Ischemia
Role of Autoimmunity
Optic Disc Appearance
Disc Hemorrhage or “Drance” Hemorrhage
Visual Field Defects
WHAT IS THE NATURAL COURSE OF NTG?
HOW TO DIAGNOSE, MANAGE, AND FOLLOW-UP NTG PATIENTS?
Diagnosis
Management and Follow-up
Medications
Laser
Surgery
Lessons from Clinical Trials
Collaborative Normal-Tension Glaucoma Study—1980s
Early Manifest Glaucoma Trial—1990s
Low Pressure Glaucoma Treatment Study—2000s
20:
Pseudoexfoliation Glaucoma
WHAT IS PSEUDOEXFOLIATION GLAUCOMA?
WHO IS AT RISK?
WHAT CAUSES PXF AND PXFG?
HOW DOES IT PRESENT?
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE PXFG?
FOLLOW-UP: WHEN AND HOW?
PEARLS
21:
Pigmentary Glaucoma
WHAT IS PIGMENTARY GLAUCOMA?
WHO IS AT RISK?
WHAT CAUSES PG?
HOW DOES IT PRESENT?
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE PG?
Medical Therapy
Laser Treatment
Surgical Treatment
FOLLOW-UP: WHEN AND HOW?
22:
Traumatic Glaucoma
WHAT IS TRAUMATIC GLAUCOMA?
WHO IS AT RISK?
WHAT IS THE PATHOGENESIS OF TRAUMATIC GLAUCOMA?
Nonpenetrating Injury
Hyphema
Ghost Cell Glaucoma
Hemolytic Glaucoma
Hemosiderotic Glaucoma
Angle Recession Glaucoma
Penetrating Trauma
Chemical Burns
Thermal Burns
HOW DOES IT PRESENT?
Symptoms
Signs
Hyphema
Ghost Cell Glaucoma
Hemolytic Glaucoma
Angle Recession Glaucoma
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE TRAUMATIC GLAUCOMA?
Hyphema
Surgical Pearls for Hyphema Drainage
Hemolytic Glaucoma and Ghost Cell Glaucoma
Angle Recession Glaucoma
FOLLOW-UP: WHEN AND HOW?
23:
Steroid-Induced Glaucoma
WHAT IS STEROID-INDUCED GLAUCOMA?
WHO IS AT A GREATER RISK?
WHAT CAUSES STEROID-INDUCED GLAUCOMA?
HOW STEROIDS ALTER TM FUNCTION?
TM Cell Morphology
TM Extracellular Matrix
TM Cytoskeleton
TM Cell Junctions Morphology
TM Cell Gene Expression
HOW DOES IT PRESENT?
Examination
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE?
PERSPECTIVE
FOLLOW-UP: WHEN AND HOW?
24:
Glaucoma in Systemic Disease
WHY MUST WE KNOW ABOUT ANY SYSTEMIC DISEASE A PATIENT WITH GLAUCOMA MAY HAVE?
WHICH SYSTEMIC INFLAMMATORY AND INFECTIOUS CONDITIONS ARE ASSOCIATED WITH RAISED INTRAOCULAR PRESSURE?
How to manage these Uveitic Glaucomas?
WHAT IS THE ASSOCIATION BETWEEN GLAUCOMA AND ELEVATED EPISCLERAL VENOUS PRESSURE?
What are the Possible Mechanisms of Glaucoma in Cases with Elevated Episcleral Venous Pressure?
How to manage Glaucoma in Cases with Elevated Episcleral Venous Pressure?
WHAT IS THE ASSOCIATION BETWEEN GLAUCOMA AND VASCULAR AND HEMATOLOGIC DISORDERS?
WHAT IS THE ASSOCIATION BETWEEN GLAUCOMA AND NEOPLASIA?
IS THERE ANY SYNDROMAL ASSOCIATION BETWEEN GLAUCOMA AND SYSTEMIC DISORDERS?
Phakomatoses
Developmental Glaucomas with Systemic Anomalies
Glaucoma Associated with Syndromes with Lens Dislocation
ARE THERE ANY FORMS OF GLAUCOMA HAVING AN UNCERTAIN RELATIONSHIP AND SYSTEMIC DISEASES?
SECTION 4: ANGLE-CLOSURE GLAUCOMA
25:
Angle-Closure Glaucoma
WHAT IS ANGLE CLOSURE?
WHO IS AT RISK OF ANGLE CLOSURE GLAUCOMA?
WHAT ARE THE MECHANISMS OF ANGLE CLOSURE?
HOW DO WE ASSESS THE ANTERIOR CHAMBER ANGLE?
HOW DOES ANGLE CLOSURE PRESENT?
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW DO I MANAGE ANGLE CLOSURE?
FOLLOW-UP: WHEN AND HOW?
26:
Uveitic/Inflammatory Glaucoma
WHAT IS UVEITIC/INFLAMMATORY GLAUCOMA?
WHO IS AT RISK?
WHAT CAUSES UVEITIC/INFLAMMATORY GLAUCOMA?
HOW DOES IT PRESENT? WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE UVEITIC/INFLAMMATORY GLAUCOMA?
Medical Management
Surgical Management
FOLLOW-UP: WHEN AND HOW?
27:
Neovascular Glaucoma
WHAT IS NEOVASCULAR GLAUCOMA?
WHO IS AT RISK?
WHAT CAUSES NVG?
HOW DOES IT PRESENT?
WHAT IS THE NATURAL COURSE OF THE DISEASE?
Stages of NVG
HOW TO MANAGE NVG?
FOLLOW-UP: WHEN AND HOW?
28:
Lens-Induced Glaucoma
WHAT ARE LENS-INDUCED GLAUCOMAS?
Glaucoma Associated with Normal Position of Lens or Formation of Cataract
Lens Position Associated Angle Closure Glaucoma
Phacomorphic Glaucoma
Phacolytic Glaucoma
Lens Particle Glaucoma
Phacoanaphylactic Glaucoma
Glaucoma Related to Abnormal Position of Lens
29:
Malignant Glaucoma
WHAT IS MALIGNANT GLAUCOMA?
WHO IS AT RISK?
WHAT CAUSES MALIGNANT GLAUCOMA?
HOW DOES IT PRESENT?
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE MALIGNANT GLAUCOMA?
Diagnosis
Differential Diagnosis
Treatment
FOLLOW-UP: WHEN AND HOW?
Clinical Cases
Case 1
Case 2
30:
Postoperative Glaucoma
INTRODUCTION
UVEITIC-GLAUCOMA-HYPHEMA SYNDROME
What is Uveitic-Glaucoma-Hyphema?
Who is at Risk?
What Causes UGH?
How Does it Present?
What is the Natural Course of the Disease?
How to Diagnose?
How to Treat?
STEROID-INDUCED GLAUCOMA
What is Steroid-Induced Glaucoma?
Who is at Risk?
What is the Pathophysiology?
How Does it Present?
What is the Natural Course of the Disease?
How to Treat?
How Frequently to Follow up?
SILICONE OIL-INDUCED GLAUCOMA
What is Silicone Oil-Induced Glaucoma?
Who is at Risk?
What Causes Silicone Oil-Induced Glaucoma?
How Does it Present?
What is the Natural Course of the Disease?
How to Diagnose?
How to Treat?
GLAUCOMA AFTER SCLERAL BUCKLING SURGERIES
What is Glaucoma after Scleral Buckling Surgeries?
Who is at Risk?
What Causes Glaucoma after Scleral Buckling Surgeries?
How Does it Present?
What is the Natural Course of the Disease?
How to Treat?
GLAUCOMA AFTER INTRAVITREAL GAS
What is Glaucoma After Intravitreal Gas?
Who is at Risk?
What Causes Glaucoma After Intravitreal Gas?
How Does it Present?
What is the Natural Course of the Disease?
How to Diagnose?
How to Treat?
AQUEOUS MISDIRECTION
What is Aqueous Misdirection?
Who is at Risk?
What Causes Aqueous Misdirection?
How Does it Present?
What is the Natural Course of the Disease?
How to Diagnose?
How to Treat?
How Frequently to Follow up?
SUPRACHOROIDAL HEMORRHAGE
What is an SCH?
Who is at Risk?
What Causes an SCH?
How Does It Present?
What is the Natural Course of the Disease?
How to Treat?
How Frequently to Follow up?
SECTION 5: CHILDHOOD GLAUCOMA
31:
Congenital and Developmental Glaucomas
WHAT ARE CONGENITAL AND DEVELOPMENTAL GLAUCOMAS?
WHO IS AT RISK?
WHAT CAUSES CONGENITAL GLAUCOMA?
HOW DOES IT PRESENT?
GLAUCOMAS ASSOCIATED WITH NONACQUIRED OCULAR ANOMALIES
Axenfeld-Rieger Anomaly
Peters Anomaly
Aniridia
Congenital Ectropion Uveae
Persistent Fetal Vasculature
Microcornea
Sclerocornea
Unclassified Anterior Segment Anomaly
WHAT IS THE NATURAL COURSE OF THE DISEASE?
HOW TO MANAGE GLAUCOMA IN CHILDREN?
Diagnosis
Physical Examination
MANAGEMENT
FOLLOW-UP: WHEN AND HOW?
SECTION 6: BATTLING GLAUCOMA
32:
Glaucoma Progression
WHAT IS GLAUCOMA PROGRESSION?
IN WHOM DO WE MONITOR FOR PROGRESSION?
HOW TO ASSESS FOR PROGRESSION?
Structural Assessment
Stereodisc Photography
Optical Coherence Tomography
Heidelberg Retinal Tomography
Functional Assessment
WHAT IS THE SCIENTIFIC VERDICT?
Follow-up
33:
Medical Management of Glaucoma
WHO IS “FIT” FOR MEDICAL THERAPY?
WHO IS “NOT” FIT FOR MEDICAL THERAPY?
HOW TO CHOOSE THE MEDICATION?
SPECIAL CONSIDERATIONS
Maximal Tolerable Medical Therapy (MTMT)
Hyperosmotic Agents
Ocular Hypertension
Monocular Therapeutic Trial
Fixed Dose Combination Therapy
WHAT CAN GO WRONG?
HOW FREQUENTLY TO FOLLOW UP?
Ocular Hypertension
Preperimetric Glaucoma
Established Glaucoma
34:
Selective Laser Trabeculoplasty
INTRODUCTION
Who is “Fit” for this Procedure?
Who is “Not” Fit for this Procedure?
How to Perform the Procedure?
PEARLS AND PITFALLS
What can Go Wrong?
What is the Scientific Verdict?
How Frequently to Follow up Postprocedure?
35:
Laser Iridotomy and Iridoplasty
IRIDOTOMY (LASER PERIPHERAL IRIDOTOMY)
Who is “Fit” for this Procedure?
Who is “not” Fit for this Procedure?
How Does an LPI Work?
How to Perform the Procedure?
What Can Go Wrong?
What is the Scientific Verdict Versus Other Similar Options?
How Frequently to Follow up Postprocedure?
IRIDOPLASTY (ARGON LASER PERIPHERAL IRIDOPLASTY)
Who is “Fit” for this Procedure?
Who is “Not” Fit for this Procedure?
How to Perform the Procedure?
What Can Go Wrong?
What is the Scientific Verdict Versus Other Similar Options?
How Frequently to Follow up Postprocedure?
36:
Diode Laser Cyclophotocoagulation
INTRODUCTION
WHAT IS THE PRINCIPLE OF CYCLOPHOTOCOAGULATION?
Who is “Fit” for this Procedure?
Who is “Not” Fit for this Procedure?
How to Perform the Procedure?
How Frequently to Follow up Post Procedure?
What can Go Wrong?
What is the Scientific Verdict Versus other Similar Options?
37:
Endoscopic Cyclophotocoagulation
WHAT IS ENDOSCOPIC CYCLOPHOTOCOAGULATION?
Who is “Fit” for this Procedure?
Who is Not Fit for this Procedure?
What is the Instrumentation Required?
HOW TO PERFORM THE PROCEDURE?
Anterior Approach
Pars Plana Approach
WHAT CAN GO WRONG?
WHAT IS THE SCIENTIFIC VERDICT?
HOW TO FOLLOW UP POST-ECP?
38:
Nonpenetrating Deep Sclerectomy
INTRODUCTION
Who is “Fit” for this Procedure?
Who is “Not” Fit for this Procedure?
How to Perform the Procedure?
WHAT CAN GO WRONG?
WHAT IS THE SCIENTIFIC VERDICT VERSUS OTHER SIMILAR OPTIONS?
HOW FREQUENTLY TO FOLLOW-UP POSTPROCEDURE?
39:
Modern Trabeculectomy
WHO IS “FIT” FOR THIS PROCEDURE?
WHO IS “NOT” FIT FOR THIS PROCEDURE?
HOW TO PERFORM THE PROCEDURE?
Modifications that Affect Outcome
WHAT CAN GO WRONG?
HOW FREQUENTLY TO FOLLOW UP POST-PROCEDURE?
WHAT IS THE SCIENTIFIC VERDICT?
40:
Glaucoma Drainage Devices
WHAT ARE GLAUCOMA DRAINAGE DEVICES?
WHO ARE “FIT” FOR GDDs?
DOES “ONE SIZE” FIT ALL?
WHO ARE “UNFIT” FOR GDDs?
WHAT ARE THE TYPES OF GDDs?
WHAT ARE THE CRITERIA FOR CHOOSING A GDD?
HOW TO PERFORM A GDD SURGERY?
Steps for Surgery: AGV
Modifications
Steps of Surgery: Baerveldt Implant
Steps of Surgery: Molteno Implant
Special Situations
Pars Plana Insertion of Tube
Site of Implantation
WHO CAN HAVE COMPLICATIONS WITH GLAUCOMA IMPLANTS?
WHAT ARE THE MOST FREQUENT COMPLICATIONS WITH ALL GLAUCOMA IMPLANTS?
HOW TO MANAGE THE MOST COMMON INTRAOPERATIVE COMPLICATIONS?
HOW TO MANAGE THE MOST COMMON EARLY POSTOPERATIVE COMPLICATIONS?
HOW TO MANAGE THE MOST COMMON LATE POSTOPERATIVE COMPLICATIONS?
WHAT IS THE SCIENTIFIC VERDICT?
AGV versus Single-Plate Molteno
Ahmed Baerveldt Comparison (ABC) Study
Ahmed versus Baerveldt (AVB) Study
Baerveldt Implant: 500 mm2 Versus 350 mm2
Molteno Implant: Single Plate versus Double Plate
AGV: Polypropylene (Model S2) versus Silicone (Model FP7)
41:
Newer Surgical Procedures
INTRODUCTION
WHO ALL ARE “FIT” AND “UNFIT” FOR THE NEWER PROCEDURE?
WHAT ARE THE ANATOMICAL PRINCIPLES FOR THESE PROCEDURES?
WHAT CAN GO WRONG?
WHAT IS THE SCIENTIFIC VERDICT VERSUS OTHER SIMILAR OPTIONS?
42:
Wound Healing following Glaucoma Surgery
INTRODUCTION
WHAT IS THE BASIC PHYSIOLOGY OF WOUND HEALING?
HIGHLIGHTS OF PHARMACOLOGICAL MODULATION OF WOUND HEALING
Wound Healing and Trabeculectomy
Pharmacological Modulation and Trabeculectomy
Physical Barriers and Trabeculectomy
Wound Healing and Nonpenetrating DS
Wound Healing and Canaloplasty
Wound Healing and Drainage Implant Surgery
Needling of Failed Blebs
FUTURE PERSPECTIVES
43:
Postoperative Management after Trabeculectomy
WHAT FORMS THE STANDARD POST-TRABECULECTOMY REGIMEN?
Examination of Eye on 1st Day Post Surgery
Examination Conjunctival Bleb on Slit Lamp
Red Flags
Flat Bleb: Intervention
Encapsulated Bleb: Intervention
WHAT ARE THE EARLY POSTOPERATIVE COMPLICATIONS FOLLOWING TRABECULECTOMY?
Hypotony and Flat/Shallow AC
Causes
Conjunctival Wound Leak
Management
Excessive Filtration
Management
Serous Choroidal Detachments
Management
Hypotony and Deep AC
Risk Factors
Management
Raised IOP and Flat AC
Management
Management
Clinical Features
Management
Raised IOP and Deep AC
Risk Factors
Management
Management
WHAT ARE THE LATE POSTOPERATIVE COMPLICATIONS?
Management
Clinical Features
Management
Clinical Features
BLEBITIS
Clinical Features
Management
Regimen 1
Regimen 2
BLEB RELATED ENDOPHTHALMITIS
Clinical Features
Management
44:
Complementary and Alternate Therapies
WHAT ARE THE CURRENT CONCEPTS OF HOLISTIC HEALING FOR GLAUCOMA?
WHO IS “FIT” FOR CAM?
WHO IS “NOT” FIT FOR CAM?
WHAT ARE THE AVAILABLE OPTIONS?
WHAT CAN GO WRONG?
WHAT IS THE SCIENTIFIC VERDICT VERSUS OTHER SIMILAR OPTIONS?
INDEX
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