What are the symptoms of mydriasis

summary

As the saying goes, "the eye is the window of the soul." some scientists point out that the enlargement and narrowing of the pupil is directly proportional to the degree of care they have for the outside world. If the pupil dilates, what's the effect. Now let's talk about the symptoms of mydriasis.

What are the symptoms of mydriasis

First, pupil has a wide range of contact with various parts of the body, its opening and narrowing are affected by a variety of factors, and its changes are of great significance in clinical practice. When the pupil diameter is greater than 5mm and the dilation is persistent, it is called dilation. Sometimes the changes of the pupil can reflect some lesions in the body, and some lesions of the nervous system can also be diagnosed according to the changes of the pupil.

Second, mydriasis is the dilation of the pupil caused by the contraction of the dilated iris muscle. It is a normal response to weak light, strong emotional stimulation, local application of mydriasis and cycloplegic. Mydriasis can be caused by vision and nervous system disorder, eye trauma and low level of consciousness. Mydriasis can also be an adverse effect of antihistamines or other drugs.

Third: in the process of the development of the disease, the change of pupil is complex and changeable, which often indicates the change of the disease. Careful observation of the change of pupil in clinical nursing is of great significance to the diagnosis, treatment and prognosis. Bilateral pupils are not equal in size, sometimes large and sometimes small, alternating left and right, irregular in shape, indicating brainstem lesions, especially obvious damage to the midbrain, which is caused by brainstem hemorrhage, multiple sclerosis, neurosyphilis, somnolence encephalitis and viral edema stimulating the midbrain.

matters needing attention

When there is a problem in the same place of the eye, don't be blind, and don't be too nervous. Take appropriate drug treatment. If there is no effect, go to the hospital for treatment. Follow the doctor's advice and actively cooperate with the treatment.