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  • Title: Modifications of the slit lamp for digital image processing of the anterior segment of the eye.
    Author: Fonda S, Baraldi P, Vecchi D, Bocca E.
    Journal: Graefes Arch Clin Exp Ophthalmol; 1986; 224(3):284-7. PubMed ID: 3754830.
    Abstract:
    The Zeiss slit lamp has been modified in order to extend its use to measurements of lens transparency. Two major modifications have been introduced: (1) a support for a high-sensitivity TV camera that is connected to an image processing system; (2) two potentiometers for recording electrical signals proportional to the rotation angle of the slit-supporting arm with respect to the visual axis and the slit tilting angle. As a result, the slit lamp output consists of three signals; one TV signal for the images and two analog signals for measurement of the angles. With the aid of an image-processing system connected to a minicomputer, software has been developed to enable the operator to acquire reliable digital images of the anterior segment of the eye in real time. The software provides the user with an easy-to-follow menu.
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