HVFA (Humphrey Visual Field Analyses)
The Humphrey visual field is a **diagnostic test to measure visual fields, or perimetry**. The Humphrey visual field test measures the entire area of peripheral vision that can be seen while the eye is focused on a central point.
CCT (Central Corneal Thickness)
Central corneal thickness (CCT) has emerged as an important predictive factor for the development of glaucomatous damage. Although a child's cornea reaches adult thickness by the age of 3, little has been reported about normal CCT measurements in eyes of children.