Modifications of the slit lamp for digital image processing of the anterior segment of the eye. 1986

S Fonda, and P Baraldi, and D Vecchi, and E Bocca

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.

UI MeSH Term Description Entries
D009885 Ophthalmology A surgical specialty concerned with the structure and function of the eye and the medical and surgical treatment of its defects and diseases. Ocular Surgery,Ocular Surgeries,Surgery, Ocular
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000869 Anterior Eye Segment The front third of the eyeball that includes the structures between the front surface of the cornea and the front of the VITREOUS BODY. Anterior Eye Segments,Eye Segment, Anterior,Eye Segments, Anterior,Segment, Anterior Eye,Segments, Anterior Eye
D001330 Electronic Data Processing Applications that store and process large quantities of data. Automatic Data Processing,Bar Codes,Computer Data Processing,Data Processing, Automatic,Information Processing, Automatic,Optical Readers,Information Processing,Automatic Information Processing,Bar Code,Codes, Bar,Data Processing, Computer,Data Processing, Electronic,Optical Reader,Processing, Automatic Data,Processing, Automatic Information,Processing, Computer Data,Processing, Electronic Data,Processing, Information
D012984 Software Sequential operating programs and data which instruct the functioning of a digital computer. Computer Programs,Computer Software,Open Source Software,Software Engineering,Software Tools,Computer Applications Software,Computer Programs and Programming,Computer Software Applications,Application, Computer Software,Applications Software, Computer,Applications Softwares, Computer,Applications, Computer Software,Computer Applications Softwares,Computer Program,Computer Software Application,Engineering, Software,Open Source Softwares,Program, Computer,Programs, Computer,Software Application, Computer,Software Applications, Computer,Software Tool,Software, Computer,Software, Computer Applications,Software, Open Source,Softwares, Computer Applications,Softwares, Open Source,Source Software, Open,Source Softwares, Open,Tool, Software,Tools, Software
D013690 Television The transmission and reproduction of transient images of fixed or moving objects. An electronic system of transmitting such images together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound. (From Webster, 3rd ed) Televisions

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