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Related Experiment Videos

Ocular asymmetry measuring device.

A M Putterman, J Chalfin

    Ophthalmology
    |June 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A new ocular asymmetry measuring device accurately quantifies deformities before oculoplastic surgery. This tool aids surgeons in determining necessary correction for conditions like facial paralysis and orbital fractures.

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    Area of Science:

    • Ophthalmology
    • Plastic Surgery
    • Medical Device Engineering

    Background:

    • Accurate measurement of facial asymmetries is crucial for effective oculoplastic surgery.
    • Existing methods may lack the precision required for evaluating deformities affecting the eyes, eyebrows, and eyelids.

    Purpose of the Study:

    • To introduce and describe a novel instrument designed for precise measurement of ocular, eyebrow, canthal, and lower eyelid asymmetries.
    • To highlight the utility of this device in pre-operative assessment for oculoplastic procedures.

    Main Methods:

    • The instrument consists of a headband, ruler, and T-shaped crosspiece for stable placement on the patient's head.
    • A vertical ruler is positioned on the midforehead, with a movable rod aligned to measure asymmetry in millimeters by comparing structures on opposite sides of the face.

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    Main Results:

    • The device provides accurate quantitative measurements of asymmetry in millimeters.
    • Demonstrated utility in assessing deformities arising from orbital fractures, facial paralysis, and congenital anomalies.

    Conclusions:

    • This ocular asymmetry measuring device offers a precise and practical tool for pre-surgical evaluation in oculoplastic surgery.
    • It aids in quantifying the degree of correction needed for various craniofacial and ocular conditions.