A new calibration system for photokeratoscopy. II. Corneal contour measurements.
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003315:Cornea / Q000033:anatomy & histology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008433:Mathematics; D009907:Optometry / Q000295:instrumentation