The Optomap allows for a more comfortable retinal exam. Panoramic 200 Retinal Image - Click for hi resolution image. The top image to the right compares the doctor's view of your eye through an undilated pupil with an instrument called a direct ophthalmoscope (inner ring).
Medical devices are classified into Class I, II, and III. Regulatory control increases from Class I to Class III. The device classification regulation defines the regulatory requirements for a general device type. Most Class I devices are exempt from Premarket Notification 510(k); most Class II devices require Premarket Notification 510(k); and most Class III devices require Premarket Approval.
A mobile device is a small computing device , typically small enough to be handheld ( and hence also commonly known as a handheld computer or simply handheld ) , having a display screen with a miniature keyboard ( either alphabetic , numeric or alphanumeric ) and , in some models , a touchscreen which enables the user to use a  virtual keyboard  ...