[Echometrical measurement of bulb length (author's transl)].
The average length of bulbs measured echometrically was 23.4 mm out of 60 pairs of bulbs measured, four showed differences of more than 2 mm.
D005123:Eye / Q000033:anatomy & histology*; D006801:Humans; D014463:Ultrasonography
Zur echometrischen Bulbuslängenmessung.