Mydriasis is eye disorder which makes the pupils of the eyes to dilate for longer period. People with this problem will have dilated pupils that are abnormally large. This condition can occur due to congenital problem (inherited by birth) and due to other factors like head injury, multiple spinal cord disorders and even strong orgasm. Intake of certain powerful drugs can make the pupils to become extremely dilated. For instance individuals who are in the habit of taking illegal drugs for attaining euphoria have chance to get this problem. A group of amphetamines and anti-depressant drugs can also cause this reaction.
It is quite common for an ophthalmologist for dilating the eyes to examine it carefully. But this condition will get back to normalcy after some time. In mydriasis the dilated eyes will remain as permanent condition and one has to wear dark glasses to protect their eyes.
Symptoms :
The pupils remain dilated for long period of time but it will not cause any pain. Some of the other symptoms of this disease include dryness in eyes, blurred vision, conjunctivitis, eye irritation, sensitivity to light, ocular hypertension, glaring of eyes and dizziness. Some people may also have sleeping problems, pain or weakness in lower back, night sweats and retinitis.
Mydriasis Causes :
It can occur due to nervous problem in the brain or spinal cord. As a result it affects daily activities leading to the condition of autonomic neuropathy. Mydriasis occurs due to the damage caused to the oculomotor nerve which is responsible for dilation and constriction.