• Slide 1
    Lens representation: High-frequency ultrasound (Lin 25 MHz) shows lens position, thickness, and the relationship between lens and adjacent structures, such as the angle, ciliary body, and zonula. It is a useful educational tool to show patients what the anterior segment looks like.
  • Slide 2
    Ciliary body detachment and choroidal effusion: High-frequency ultrasound (Lin 25 MHz) shows the detached ciliary body and explains the chronic hypotension in this patient due to choroidal effusion combined with the detachment.
  • Slide 3
    Limbar tumor: High-frequency ultrasound (Lin 50 MHz) shows how deep a tumor infiltrates the limbus and if it invades the sclera and corneal layers.
  • Slide 3
    With Lin 50 MHz high-frequency probe surgeons can take all the important measurements in the anterior segment without distortion or reconstruction; for example, sulcus to sulcus, anterior chamber depth (anatomical or optical) corneal thickness as shown in this image.
  • Slide 3
    Angle anatomy and iris thickness are also well defined with the Lin 50 MHz probe. (Images courtesy of Mario Danilo de La Torre Estremadoyro, MD)