FIELD: medicine.
SUBSTANCE: swine isolated post-mortem eye is fixed in a titanium eye holder; a normal ophthalmotonous pressure is simulated by varying a degree of eye gripping with eye holder petals. A test cutting instrument is placed into an opening of a platform mounted above the eye holder that is preceded by mounting a weight piece pad onto the top of a cutting instrument holder; a cutting instrument blade is aligned with an eye cornea. The weight pieces are placed onto the pad by gradually increasing their total weight. When the blade is exposed to a force exceeding a corneal resistant force, it cuts out. Total weight of the weight pieces, cut and pad is determined to measure a penetration force.
EFFECT: invention reduces the time and simplifies the evaluation procedure without loss of accuracy and objectivity.
2 dwg
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