Air-puff tonometers : challenges and insights /

This book presents the latest achievements and research works of intraocular pressure measurement by the air-puff method presented by experts in the field. It is about tonometers, in particular using the air-puff method. These methods are used, for example, by the Corvis ST. Owing to the ultra-high-...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Koprowski, Robert (Editor )
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Bristol [England] (Temple Circus, Temple Way, Bristol BS1 6HG, UK) : IOP Publishing, [2019]
Colección:IOP (Series). Release 6.
IOP expanding physics.
IOP series in medical and biological image analysis.
Temas:
Intraocular pressure > Measurement.
Tonometry.
Intraocular Pressure.
Tonometry, Ocular > instrumentation.
Biomedical engineering.
TECHNOLOGY & ENGINEERING / Biomedical.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • 1. Corvis ST tonometer and the possibility of analysing corneal deformation dynamics during intraocular pressure measurement
  • 1.1. Introduction
  • 1.2. Basics of measurements with the Corvis ST tonometer
  • 1.3. Available parameters
  • 1.4. Characteristics of dynamic corneal response parameters
  • 1.5. Biomechanical-compensated IOP (bIOP) and dynamic corneal response parameters in the available literature
  • 1.6. Image processing for obtaining new biomechanical parameters of the cornea
  • 1.7. Modelling of dynamic corneal deformation
  • 1.8. Summary
  • 2. Air-puff devices, not just tonometry
  • 2.1. Introduction
  • 2.2. How the instruments work
  • 2.3. Accuracy and repeatability
  • 2.4. Corneal deformation in healthy corneas
  • 2.5. Corneal deformation in diseased corneas
  • 2.6. Corneal deformation after surgery
  • 2.7. Studies regarding software improvements
  • 2.8. Conclusions
  • 3. Clinical applications of the Corvis ST for glaucoma
  • 3.1. Introduction
  • 3.2. Basic description of the Corvis ST
  • 3.3. bIOP : concept and first clinical results
  • 3.4. Conclusion
  • 4. Evaluation of the algorithms utilised to diagnose keratoconus for the Corvis ST
  • 4.1. Introduction
  • 4.2. Methods
  • 4.3. Results
  • 4.4. Discussion
  • 5. Intraocular pressure and three-dimensional corneal biomechanics
  • 5.1. Behind the need for change in glaucoma diagnosis : IOP and corneal biomechanics
  • 5.2. Patient-specific geometry : three-dimensional corneal shape
  • 5.3. Corneal biomechanics : traditional ex vivo mechanical testing
  • 5.4. Corneal biomechanics and IOP : linking non-invasive imaging and simulations
  • 5.5. Novel concepts to decipher corneal biomechanics in 3D and IOP
  • 5.6. Looking for new alternatives in IOP measurements
  • 6. Ultra-high-speed Scheimpflug imaging for intraocular pressure measurements
  • 6.1. IOP measurements with the Corvis ST
  • 6.2. Assessment of corneal biomechanical properties with the Corvis ST
  • 6.3. Biomechanical corrected IOP (bIOP)
  • 6.4. Simulation-based versus empirically-derived correction formulas
  • 6.5. Accuracy of bIOP in patients after refractive surgery
  • 6.6. bIOP measurements in patients with keratoconus
  • 6.7. Ongoing Corvis ST studies in glaucoma
  • 6.8. Summary.

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