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Definition : Ophthalmic measuring instruments designed for objectively determining the curvature of the anterior corneal surface and refractive error (astigmatism) by projecting concentric rings on the cornea. These devices typically consist of a circular disk with a series of concentric rings (also known as Placido's disk) whose images are projected onto the cornea. The reflected images of the rings are viewed by the examiner and/or are recorded using a video camera (videokeratoscope) or a still film camera (photokeratoscope) for later examination. Keratoscopes are used mainly for preassessment for refractive corneal surgery, contact lens fitting, or diagnosis of some corneal disorders.

Entry Terms : "Photokeratoscopes" , "Videokeratoscopes" , "Placido's Disks" , "Ophthalmic Measuring Instruments" , "Measuring Instruments, Ophthalmic"

UMDC code : 16347

U.S.companies only
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1-2 of 2 Match(es).

Mastel Precision Surgical Instruments Inc

Company Type: Parent

Mastel Precision has been involved exclusively in the design and production of ophthalmic surgical instrumentation for more than 25 years.

Veatch Ophthalmic Instruments

Company Type: Parent

Founded in 1988, Veatch Ophthalmic Instruments established itself as a distributor of traditional exam lane equipment, offering top notch knowledge and service to professional nationwide. Seeing the opportunity in the marketplace for new and more efficient ophthalmic technology solutions, Veatch branched out in 1992 to create ReSeeVit digital imaging. ReSeeVit pioneered a new digital imaging concept which had an immediate and positive impact in the ophthalmic equipment market.

1-2 of 2 Match(es).