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  • Head-worn ophthalmoscopes designed for examining the eye (mostly the back of the eye, the fundus) by providing an inverted image of the fundus. These instruments usually consist of a light source attached to a headband to project the light into the eye through the pupil and a converging lens placed in front of the patient\'s eye. They produce an inverted, or reversed, image of 2 to 5 times magnification of the entire retina, a field of view much larger than that of direct ophthalmoscopes. Indirect ophthalmoscopes are used mainly to detect eye conditions or eye diseases.
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