Ophthalmoscopes are used to examine the eye and retina, and can confirm eye health and detect problems or defects in the eye. Doctors use ophthalmoscopes as part of well patient exams, and to diagnose eye problems. Ophthalmoscopes can be used for adult or pediatric patients, and one size will work for all patients. There are some variances in opthalmoscopes, and you may find a particular brand or style that you prefer. Opthalmoscopes come in two basic varieties, a hand held version and a binocular version that can be worn on the head during an examination. Ophthalmoscope sets come complete with an ophthalmoscope, handle, battery, and case. Ophthalmoscope sets are available in several brands and styles from medical suppliers, so you can choose the one that suits you best.