<prompt> The axial length of the eyeball at bih is --- of adult eye100907040  <response>: The axial length of the eyeball at bih 70 of an adult eye. Anteroposterior diameter is 24 mm in adult Anteroposterior diameter of the eyeball is about 16.5 mm at bih 70 of the adult size which is attained by 7-8 years. Reference : A K KHURANA OPHTHALMOLOGY, Edition4, Page-11 