eyelid dynamometer

a iliac muscle force meter for measuring the levator muscle strength and the cleft palate size, which includes a frontal muscle compressor for restricting the patient's frontal muscles to apply force to the upper eyelid, the forehead muscle press is provided with a belt a scale of the scale, the scale is vertically connected to a midpoint of the frontal muscle compressor, and the scale is provided with a cursor for recording a scale corresponding to the upper eyelid of the patient on the scale. Basic Information Specialist Category: Ophthalmic Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Check the front hand to be clean and dry. Normal value Normal eye: complete ptosis, incomplete ptosis. Look up: 15mm0 or ≤ 5mm, the upper sacral edge is increased by 5-7mm or more. Look down: 0mm. Clinical significance Abnormal result Patients with myasthenia gravis or sympathetic sag should pay attention to the identification. The upper jaw of the myasthenia gravis is weak, normal in the morning, and then gradually weak and drooping, and better after asleep in the afternoon. When the eye is examined, the eye can suddenly become large, and the skin is drooping quickly. After a short break, the eye is bigger. If you pay attention to it, you can discern it even if you don't use the new division's injection rate and test. In addition, there is the sympathetic droop of Horner's syndrome, which can be improved with cocaine eye drops. People to be examined: myasthenia gravis or sympathetic sagging. Precautions Contraindications before inspection: hands should be clean and dry. Requirements for inspection: Lift the upper jaw to make the eyeball turn freely in all directions without squint. Inspection process 1 Lift the upper jaw and let the eye move freely in all directions without strabismus. 2 upper rectus muscle weakness or poor function of the upper jaw, there are unbearable diplopia, extraocular muscle paralysis, can not surgery. Not suitable for the crowd Generally there are no people who are not suitable. Adverse reactions and risks May cause eye pain.

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