Index

Textbook on Contact Lenses Amar Agarwal, Athiya Agarwal, Sunita Agarwal, Michael R Spinell

SECTION 1: BASICS
CHAPTER 1:Anatomy of the Cornea, Limbus and Sclera
- CORNEA
- LIMBAL ZONE
- SCLERA
CHAPTER 2:Corneal Transparency
- INTRODUCTION
- FACTORS
- ANATOMICAL FACTORS
- PHYSIOLOGICAL FACTORS (Factors that Maintain Corneal Hydration)
CHAPTER 3:Tear Film Physiology
- INTRODUCTION
- TEAR FILM FORMATION DYNAMICS
- NORMAL TEAR DRAINAGE
- TEAR COMPOSITION
- PHYSICAL PROPERTIES OF TEARS
- CHEMICAL COMPOSITION OF TEAR FLUID
- APPLIED PHYSIOLOGY
- HYPOSECRETION OF TEARS
  - DIAGNOSTIC TESTS FOR TEAR HYPOSECRETIONS (Table 3.10)
- HYPERSECRETION OF TEARS
  - PHYSIOLOGICAL DIAGNOSTIC TEST FOR HYPERSECRETIONS
  - SPECIAL TESTS
CHAPTER 4:Contact Lenses and Ocular Lubrication
- CONTACTS AND DRY EYE SYNDROME
- CONTACTS AND AIR CONDITIONING
- CONTACTS AND COMPUTER VISION SYNDROME
- CONTACT LENS MAINTENANCE AND ARTIFICIAL TEAR SUBSTITUTES
- CONTACT LENSES AND GLAUCOMA PATIENTS
- GLAUCOMA FILTERING BLEBS
- CONTACT LENSES AND OINTMENTS
- THERAPEUTIC CONTACT LENSES
- CONTACT LENS CARE
CHAPTER 5:Contact Lens Materials and Properties
- INTRODUCTION
- RIGID LENS MATERIALS
- SOFT LENS MATERIALS
  - NON-HEMA MATERIALS
  - FDA CLASSIFICATION OF HYDROGEL MATERIALS
- CONTACT LENS PROPERTIES
CHAPTER 6:Topographic and Pachymetric Changes Induced by Contact Lenses
- INTRODUCTION
- REFRACTIVE SURGERY IN CONTACT LENS WEARERS
- PARAMETRIC DESCRIPTORS OF CORNEAL TOPOGRAPHY
- SOFT LENS-INDUCED CORNEAL CHANGES
- RGP LENS-INDUCED CORNEAL CHANGES
- CONCLUSION
SECTION 2: CONTACT LENSES DESIGNS AND THEIR FITTINGS
CHAPTER 7:Advanced Orthokeratology
- HISTORICAL PERSPECTIVE
- LIMITATIONS OF EARLY ORTHOKERATOLOGY
  - REVERSE GEOMETRY LENSES
- ADVANCED ORTHOKERATOLOGY
- CORNEAL TOPOGRAPHY ASSESSMENT
- SAGITTAL HEIGHT FITTING METHOD
  - POSSIBLE MECHANISMS
  - POSSIBLE COMPLICATIONS
- SUMMARY
- ACKNOWLEDGMENTS
CHAPTER 8:Rigid Gas-Permeable Contact Lenses
- INTRODUCTION
- PMMA REHABILITATION
- RGP MATERIALS
- RGP DESIGNS
- CALCULATIONS
- TROUBLESHOOTING
- FLUORESCEIN PATTERNS
- RGPs FOR PRESBYOPIA
  - CARE SYSTEMS
- FITTING TORIC CORNEAS
- FITTING KERATOCONUS
- FITTING PENETRATING KERATOPLASTY
- FITTING POSTREFRACTIVE SURGERY
- REVERSE GEOMETRY LENSES
CHAPTER 9:Soft Contact Lens Fitting
- INTRODUCTION
- SOFT LENS HISTORY, MATERIALS AND DESIGN
- BASIC FITTING CONCEPTS
- REPLACEMENT FREQUENCY
- SPHERICAL SOFT LENSES
- ASTIGMATIC LENSES
- CORRECTION OF PRESBYOPIA
- EXTENDED WEAR SOFT LENSES
- SPECIAL SITUATIONS
  - DRY EYE
  - IRREGULAR ASTIGMATISM
- SOFT LENS COMPLICATIONS
- SOFT LENS CARE
- PATIENT AND PRACTICE MANAGEMENT
- CONCLUSION
CHAPTER 10:Advances in Soft Lens Fitting
- GENERAL FEATURES OF SOFT LENSES
- SELECTION OF LENS PARAMETERS FOR FITTING
  - EVALUATION OF SOFT LENS FIT
- TEAR FILM AND BLINKING EFFECTS ON FITTING
- CHARACTERISTICS OF HYDROGEL MATERIALS
- CHOICE OF SOFT LENS MODALITY
- CHOOSING LENSES FOR PATIENTS
- FURTHER INFORMATION
CHAPTER 11:Special Contact Lens Designs for Unique Problems
- INTRODUCTORY COMMENTS
- GENERAL COMMENTS ON THE ELEMENTS THAT COMPRISE “LENS PERFORMANCE”
- LENS MOVEMENT
- LENS POSITION
- LENS COMFORT
- NATURAL APPEARANCE
- VISION
- OCULAR HEALTH
- OCULAR MEASUREMENTS AND OBSERVATIONS
- CORNEAL PROBLEMS
- ABNORMALITIES INVOLVING THE IRIS AND PUPIL
- COLOR DEFICIENCY
- CONCLUDING REMARKS
CHAPTER 12:Contact Lens Fitting in Refractive Surgery
- CONTACT LENS FITTING AFTER RADIAL KERATOTOMY
- CONTACT LENS FITTING AFTER PHOTOREFRACTIVE KERATECTOMY (PRK)
  - INDICATIONS FOR POST-PRK CONTACT LENS FITTING
- CONTACT LENS FITTING IN LASIK SURGERY
- CONTACT LENS FITTING BEFORE LASIK SURGERY
  - FELLOW EYE
  - CORNEAL WARPAGE
- CONTACT LENS FITTING IN POST-LASIK PHASE
  - IMMEDIATE POST LASIK SURGERY PERIOD
  - EARLY POST-LASIK SURGERY PERIOD
CHAPTER 13:Toric Contact Lenses
- INTRODUCTION
- ASTIGMATISM
CHAPTER 14:Therapeutic Lenses or Bandage Contact Lenses
- INDICATIONS OF BCL
- FITTING OF BANDAGE CONTACT LENS
- PRINCIPLES OF THERAPEUTIC EFFICACY
CHAPTER 15:Contact Lenses for Children
- INTRODUCTION
- HOW DOES IT DIFFER FROM ADULT?
- INDICATIONS FOR CONTACT LENSES IN CHILDREN
- SELECTING CONTACT LENS TYPE
- DAILY WEAR V/S EXTENDED WEAR
- FITTING TECHNIQUE
- INSERTION AND REMOVAL
  - INSERTION
  - REMOVAL
- FOLLOW-UP
- CONSIDERATIONS
  - GENERAL
    - Age of the Child
    - Training Parents
  - OTHER CONSIDERATIONS
- COMPLICATIONS
- CONCLUSION
SECTION 3: MISCELLANEOUS
CHAPTER 16:Acanthaemoeba Keratitis
- INTRODUCTION
- MICROBIOLOGY
- PATHOGENESIS
- CLINICAL FEATURES
- PATHOLOGY
- DIAGNOSIS
- DIFFERENTIAL DIAGNOSIS
- LABORATORY DIAGNOSIS
- TREATMENT
  - MEDICAL
    - Topical Corticosteroids
    - Penetrating Keratoplasty
CHAPTER 17:Visual Acuity with Contact Lenses versus LASIK in Myopia
- INTRODUCTION
- OPTICAL PHYSIOLOGY
  - RETINAL IMAGE FOR AN EMMETROPE
  - RETINAL IMAGE FOR A MYOPE
- MATERIALS AND METHODS
- RESULTS
- CONCLUSION
CHAPTER 18:The Use of Contact Lenses in the Athletic World
- INTRODUCTORY COMMENTS
- GENERAL ADVANTAGES OF CONTACT LENSES
- DISADVANTAGES OF CONTACT LENSES
- EXTERNAL MEASUREMENTS OF THE EYE
  - PUPIL SIZE
- LID STRUCTURE AND LID ACTION
- PRESCRIPTION OF THE LENS
- CORNEAL CURVATURE
- THE INTERRELATIONSHIP BETWEEN CORNEAL ASTIGMATISM AND REFRACTIVE ASTIGMATISM
- LENS TYPES
- RIGID GAS-PERMEABLE LENSES
- LENS MATERIAL
- LENS DESIGNS
  - A BASIC RGP LENS DESIGN
  - A LID-ATTACHMENT LENS DESIGN
  - ULTRA-THIN LENS DESIGNS
  - ATHLETIC LENS DESIGNS
  - ASPHERIC LENS DESIGNS
- RIGID GAS-PERMEABLE LENS EVALUATION
  - LENS POSITION
  - LENS MOVEMENT
  - VISION
  - LENS COMFORT
  - FLUORESCEIN PATTERNS
  - POSTWEAR PHYSIOLOGY
- SIGNIFICANT POINTS
- SOFT LENSES
  - INTRODUCTORY COMMENTS
  - LENS MATERIAL
  - SOFT LENS DESIGN
  - DIAMETER
  - ANTERIOR OPTIC ZONE
  - CENTER THICKNESS
  - ASTIGMATISM
- SOFT LENS EVALUATION
  - LENS POSITION
  - LENS MOVEMENT
  - VISION
  - COMFORT
  - POSTWEAR PHYSIOLOGY
  - THE COMBINATION LENS
  - SCLERAL LENS DESIGNS
  - LENSES FOR COLOR DEFICIENCIES
- DISPOSABLE OR PLANNED REPLACEMENT LENS SYSTEMS
- CONTACT LENSES IN THE AQUATIC ENVIRONMENT
- POSTWEAR OCULAR HEALTH
- HYGIENE AND SAFETY AND THE ROLE OF THE ATHLETIC TRAINER
- CONCLUDING REMARKS
CHAPTER 19:Therapeutics of Contact Lens Care System
- INTRODUCTION
- HARD CONTACT LENSES
- RIGID GAS PERMEABLE (RGP) LENSES
- DAILY WEAR SOFT CONTACT LENSES
- EXTENDED WEAR CONTACT LENSES
- DISPOSABLE SOFT CONTACT LENSES
- TORIC SOFT LENSES
- BIFOCAL CONTACT LENSES
- CONTACT LENS CARE PRODUCTS
- HARD AND RIGID GAS PERMEABLE LENSES
- HARD (PMMA) CONTACT LENS PRODUCTS
- RIGID GAS PERMEABLE CONTACT LENS PRODUCT
  - DISINFECTING/WETTING/SOAKING SOLUTIONS (RGP LENSES)
  - CLEANING/SOAKING SOLUTIONS (RGP LENSES)
- SOFT (HYDROGEL) CONTACT LENS PRODUCTS
  - CHEMICAL (COLD) SYSTEM
  - SOFT LENS REWETTING SOLUTIONS
- RECENT ADVANCES IN SOFT CONTACT LENS CARE SYSTEM
APPENDIX 1:Appendix 1

INDEX

TOC
Index

Chapter Notes