pupil examination

The pupillary examination includes the appearance of the pupil and the examination of the pupil reflex. The visual inspection includes the size, shape, number, position and edge of the pupil. The inspection should be performed on both sides. Let the patient sit on the light, and the two eyes look straight ahead of the distance of 5 meters. The examiner covers the patient's eyes with the palm of his hand, removes the cover of one hand and observes whether the pupil of the eye shrinks, then covers the eye and removes the other hand. Observe whether another pupil shrinks and compare the speed and extent of contraction of the two pupils. Basic Information Specialist Category: Ophthalmic Examination Category: Physical Examination Applicable gender: whether men and women apply fasting: not fasting Tips: Inappropriate people: There is no special inflammation in the eyes. Normal value The normal pupil is round, black and transparent, and the sides are so large that the diameter is about 2.5 mm. In addition to the physiological adjustment, if the pupil diameter is less than 1.5 mm or more than 5 mm, the edge is irregular, the color is abnormal, and the light is slow or disappears. Wait, often predicts the occurrence of some diseases. Clinical significance Abnormal results: The pupil is white in cataract, iridocyclitis, glaucoma, ocular trauma, high myopia, or systemic diseases such as diabetes. The pupil is blue-green and common in glaucoma. Need to check the population of cataract, glaucoma, myopia patients. Precautions Taboo before the examination: emotional irritability, affecting pupil examination. Requirements for inspection: Quiet and lying flat, the light should not be too strong. Inspection process 1 Direct response to light: Let the patient sit on the light, and the two eyes look straight ahead of the distance of 5 meters. The examiner covers the patient's eyes with the palm of his hand, removes the cover of one hand and observes whether the pupil of the eye shrinks, and then covers this. Remove the other hand to see if the other pupil is contracting, and compare the speed and extent of the contraction of the two pupils; 2 Indirect light response or synonymous reaction: The patient is also seated on the light to cover the patient's eye. When the cover is removed, the contraction of the pupil of the other eye is observed. Not suitable for the crowd Inappropriate crowd: no special inflammation in the eyes.