Features:

Standard body position of the ear, push \ pull lesion to select lesions.

1. Totally 12 kinds of normal or diseased ear drum:

1) Acute otitis media                              

2) Acute otitis media without obvious signs

3) Abnormal secretion of middle ear                 

4) Tympanosclerosis 

5) Myringotomy                                   

6) Ear wax (a little big)

7) Acute middle ear infection                        

8) Otitis media (case 1)

9) Otitis media (case 2)                           

10) Effusion of posterior ear drum 

11) Perforation of ear drum                        

12) Normal tympanic membrane