eye and orbital examination

It is usually examined by natural examination under natural light. When inspecting the eyeball, pay attention to its size, shape, presence or absence of protrusion or subsidence, and pay attention to the position of the eyeball, whether there is any involuntary nystagmus. More than 95% of tumors can be qualitatively diagnosed, but ultrasound shows poor bone tissue, so some tumors cannot show their size and whether they invade the bone wall. Therefore, it is necessary to combine other imaging examinations, such as CT and MRI, to make a comprehensive diagnosis. Basic Information Specialist Category: Ophthalmic Examination Category: Physical Examination Applicable gender: whether men and women apply fasting: not fasting Tips: Before the check-up taboo: avoid touching and messing with the potion. Normal value The degree of protrusion of the human eye in China is generally 13.6 mm on average. If it is higher or lower than this number, it can be considered as protrusion or subsidence, but it must be measured at the same time, and it needs to be measured several times in a considerable time interval for comparison. The measurement of the accent meter is of great significance for the protrusion or depression of one side. Clinical significance Abnormal result Abnormal eye position makes sense for understanding the location of the tumor in the sac. Patients with strabismus should indicate the direction of the strabismus. If nystagmus is found, indicate whether it is elicited or spontaneous, and note the direction of tremor, vertical, horizontal or rotational, amplitude and frequency. Need to check the crowd of people with abnormal eye position. Precautions Taboo before check: eat spicy food or exercise vigorously. Requirements for examination: The patient should look at the squint direction. Inspection process Use the thumb and forefinger of both hands to separate the upper and lower eyelids of the two eyes, compare the size of the two eyeballs, and observe the corresponding changes in the size of the anterior cornea at the same time, so as to diagnose the congenital small eyeball or bull's eye and water eye. . Let the eyeball turn as far as possible in all directions to see if the eyeball is spherical and the curvature in each direction is roughly equal. Not suitable for the crowd Inappropriate crowd: people with normal eyeballs.

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