The effect of the curvature of the eye shell on the echogram.
D000328:Adult; D000368:Aged; D000818:Animals; D005128:Eye Diseases / Q000175:diagnosis; D006801:Humans; D008722:Methods; D008875:Middle Aged; D013552:Swine; D014463:Ultrasonography; D014822:Vitreous Body / Q000033:anatomy & histology*