Objectives: To understand the basics of various anterior segment imaging devices and their clinical applications.

Devices include the followings:

• ultrasound biomicroscopy (UBM),
• corneal topography,
• anterior segment optical coherence tomography (OCT; Visante, Cirrus, and RTVue),
• confocal scanning laser ophthalmoscope (CSLO or HRT Cornea Module).

Assignment: Please review the corneal disease and angle closure glaucoma in the BCSC series.