{TAIL ~ Ophthalmic measuring apparatus} for determining {HEAD ~ the shape} of the cornea of an eye 
{ TAIL ~ Ophthalmic measuring apparatus } for determining { HEAD ~ the shape } of the cornea of an eye
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH