1.Alcoholism
Double vision is a common symptom of this disease, which can be accompanied by confusion, multilingualism, bad breath, drunken gait, nausea, vomiting, and possibly conjunctival infection.
2. Botox poisoning
Typical symptoms of botulism include diplopia, dysarthria, dysphagia, ptosis, vomiting, and diarrhea, followed by progressive weakness, extreme paralysis, decreased reflexes, and diplopia.
3. Brain tumor
Diplopia can be one of the early symptoms of brain tumors, including strabismus, emotional instability, decreased levels of consciousness, headache, vomiting, generalized tonic-clonic seizures, hearing loss, ocular blindness, pupillary abnormal light reflex, nystagmus, exercise Weakened and paralyzed.
4. Cavernous sinus thrombosis
It can often lead to diplopia and limited eye movement. Other symptoms include exophthalmos, eyelids and ocular edema, weakened or disappeared pupils with light reflection, impaired vision, optic disc edema, and fever.
5. Diabetes
Long-term illness can lead to the third side of the cranial nerve palsy leading to double vision, double vision often onset quickly, accompanied by eye pain.
6. Encephalitis
Can cause diplopia and strabismus, however, this disease often begins with high fever, accompanied by severe headache and vomiting, patients with meningeal irritation. Reduced levels of consciousness, ataxia and paralysis.
7. Intracranial aneurysms
Diplopia and eyeball deflection may be accompanied by ptosis of the upper eyelid and dilated pupils on the affected side. Patients often complain of severe unilateral forehead pain with intermittent episodes, and headaches worsen when the aneurysm ruptures. Other symptoms include nystagmus, muscle weakness, paralysis, tonic spasm, hyperreflexia, difficulty swallowing, dysarthria, impotence, mood changes, frequent urination, etc.
8. Myasthenia gravis
The disease can initially cause diplopia and ptosis, which is aggravated during the day. When other muscles are involved, it can cause nasal sounds, difficulty in chewi