i don't know excatly
no
today doctors use tools such as amniocentesis and karyotypes to help detect genetic disorder.
Leeches and lances.
forceps
doldos and handcuffs
Yes.
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About 317,000 for What is the least amount of money ear doctors can get in a year.
Go to the doctors
The most common ear problem is a ear infection which can be treated at your local doctors office.
Otolaryngology is the study of conditions affecting the ear, nose, and throat. These doctors are almost never referred to by this name by non-physicians, pretty well solidified as ENT doctors, or ear-nose-and-throat doctors.
Eye doctors usually use a retinoscope, a direct ophthalmoscope, an indirect ophthalmoscope, a slitlamp, a phoropter, a projector, and a keratometer. This is just the basic list, but there are many more possibilities.