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Normal Retinal Anatomy Commercially available spectral domain (SD-OCT) scanners have an Axial Resolution of between 4 µm and 7 µm and a transverse resolution of approximately 15 µm. Swept source (SS-OCT) devices, on the other hand, have an axial resolution…
Artifacts can occur during image acquisition or analysis as a result of software, patient, or operator factors. It is important to identify artifacts because they may affect the qualitative or quantitative interpretation of images. This chapter will discuss artifacts that…
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Each commercially available OCT device uses unique scan patterns that are programmed into the machine. There is considerable overlap between devices, however, with several general scan patterns available across all devices. The scan patterns for the major commercially available machines…
Summary There has been, in recent years, a considerable surge in interest in glaucoma surgery; techniques, devices, (implants), and procedures to warrant earnest attention and research. Several new devices (and implants) are currently being evaluated in clinical trials, all of…
Summary Canaloplasty provides a surgical means of safely lowering intraocular pressure in patients with open angles without depending on the function of a bleb or external drainage device. Working in the canal space provides a means of achieving moderate IOP…
* Deceased. The editors and Elsevier note with sadness the untimely death of Elie Dahan who co-authored the first edition of this chapter. Summary The Ex-PRESS™ glaucoma implant is a miniature stainless steel device that offers a simple and safe…
Summary The Trabectome procedure represents a minimally invasive trabecular bypass procedure with several years clinical experience. It has proven to be a safe surgical intervention with very low complication rates, but is paired with modest IOP lowering and is best…
Summary ▪ Cycloablation is an effective technique for controlling intraocular pressure in various forms of glaucoma. ▪ Transscleral diode laser cycloablation may lead to serious side effects that must be recognized by the treating physician. ▪ Transscleral cycloablation may be…