Vision, Neurology FAQ - Page 3

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Understanding Unexplained Dry Heaving: Possible Neurological Causes

Frequent unexplained dry heaving? Hello Doctor, I am currently 21 years old and a university student. For the past three years, I have occasionally experienced dry heaving and nausea. Initially, I suspected that it might be due to eye strain from prolonged use of my phone or comp...


Dr. Jiang Junyi Reply:
Hello Mr. Kevin, You mentioned experiencing symptoms of bright vision and dry heaving occurring simultaneously, which typically requires a day of rest and sleep for the symptoms to resolve the next day. I wonder if you are also experiencing headaches? It may be worth considering...

[Read More] Understanding Unexplained Dry Heaving: Possible Neurological Causes


Head Injury from Bumping into Wood: Should You See a Doctor?

Hit the head against a wooden board? Today, when I stood up from a squatting position, the back of my head hit the wooden frame of the bed, making a loud noise, and I felt momentarily dazed. Could this lead to a brain hemorrhage? Afterward, there was no swelling when I touched it...


Dr. Jiang Junyi Reply:
Hello, sir: You mentioned feeling "blank-headed" and asked if this could lead to a brain hemorrhage. Generally speaking, if there is no loss of consciousness, the use of anticoagulants, or obvious local hematomas following a head injury, the symptoms are usually mild. H...

[Read More] Head Injury from Bumping into Wood: Should You See a Doctor?


Understanding Widespread Tingling: Possible Causes and Concerns

Generalized numbness and tingling? Hello, Doctor. I am Aisha, who asked a question three days ago. The tingling sensation in my right palm spread to my upper arm the next day, and now I also have tingling in my left palm, arms, both legs, inner thighs, as well as my back and neck...


Dr. Peng Shiwei Reply:
Hello, numbness and tingling may be related to peripheral nerve or spinal cord issues, while the likelihood of brain-related problems is lower. During the waiting period for the report, please monitor for any increasing weakness in the limbs, as well as any "head" sympt...

[Read More] Understanding Widespread Tingling: Possible Causes and Concerns


Understanding Unexplained Body Tremors: A Neurological Perspective

Involuntary body shaking? Hello doctor, about a week ago while I was at work, I suddenly started feeling dizzy and unsteady. It’s not a spinning sensation, nor do I see objects moving; I don’t experience double vision. Occasionally, I feel a bit nauseous and uncomfortable, and so...


Dr. Jiang Junyi Reply:
Hello Ms. Joyce, Could you please clarify whether the "tingling sensation in the fingers of your right hand and the toes of your right foot" occurs simultaneously with the dizziness, or has this symptom been present for a long time? If they occur at the same time, we m...

[Read More] Understanding Unexplained Body Tremors: A Neurological Perspective


Understanding Temporary Vision Loss: Causes and Next Steps

The eyes can go blind? Hello Doctor: I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high; over the past ten years, I have had about seven episodes. Initially, I noticed black spots ...


Dr. Jiang Junyi Reply:
Hello, Sir: You mentioned that "the black spots... will completely disappear in a few seconds, and after about thirty minutes, your vision will return to normal." If you experience symptoms such as dizziness and low blood pressure, it may be necessary to consider the is...

[Read More] Understanding Temporary Vision Loss: Causes and Next Steps


Understanding Temporary Vision Loss: Causes and Next Steps

The eyes can go blind? Hello Doctor: I first experienced symptoms around the second year of junior high school, and it has been nearly ten years now. The frequency of episodes is not high, approximately seven times over the past decade. Initially, I noticed black spots in my visi...


Dr. Jiang Junyi Reply:
Hello, sir: You mentioned that "the black spots... will completely disappear after a few seconds, and your vision will return to normal after about thirty minutes." If you are experiencing symptoms such as dizziness and low blood pressure, it may be necessary to conside...

[Read More] Understanding Temporary Vision Loss: Causes and Next Steps


Understanding Neurological Symptoms: Head Pressure, Dizziness, and Vision Changes

Head issues In the past two to three weeks, I have noticed that my head doesn't feel the same as usual. Normally, it feels light, but recently it feels like there is something in my head, a foggy sensation. When I focus on a task, I don't notice it, but after finishing,...


Dr. Jiang Junyi Reply:
Hello, Sir: You mentioned that "pressing on the left back of your head is painful, but there is no swelling or pimples." This may indicate issues related to the neck and cervical fascia. Maintaining an improper posture for extended periods can lead to overuse of the tra...

[Read More] Understanding Neurological Symptoms: Head Pressure, Dizziness, and Vision Changes


Neck Issues Impacting Brain and Vision: A Neurology Consultation Guide

Consultation for Brain and Eye Issues Related to Cervical Spine Problems The elderly patient has been taking dementia medication since last year and has recently experienced discomfort in the head and blurred vision. A cervical spine X-ray was performed, and the report indicates ...


Dr. Peng Shiwei Reply:
Hello, based on your cervical X-ray, I would also recommend focusing on rehabilitation therapy. Cervical degeneration typically does not cause dizziness. If you are concerned about inadequate blood flow from the carotid or vertebral arteries, you may consult a neurologist to eval...

[Read More] Neck Issues Impacting Brain and Vision: A Neurology Consultation Guide


Understanding Muscle Spasms and Chest Pain: When to Seek Help

Experiencing a seizure to the point of nearly fainting? It felt like a cramp, but I wasn't sure if it was actually a cramp. One moment I was in a good mood playing, and then I got on a motorcycle. Within a minute, I started feeling pain in the left pectoral muscle near the a...


Dr. Cai Zongzhang Reply:
Hello: The symptoms mentioned may be caused by a neurological disorder, and it is recommended to visit a neurology clinic for further evaluation.

[Read More] Understanding Muscle Spasms and Chest Pain: When to Seek Help


Understanding Stroke: Exploring Links Between Car Accidents and Brain Infarction

Cerebral infarction (stroke) Hello, I had a car accident on December 9, 2022, and initially only sustained some external injuries. However, on January 12, 2023, I suddenly experienced a loss of vision and went to Tzu Chi Hospital to see a neurologist. An MRI revealed that I had a...


Dr. Cai Zongzhang Reply:
Hello, A-You: The causes of cerebral infarction are not directly related to trauma; it may be necessary to investigate other rare causes of cerebral infarction. The recovery period for neurological damage is lengthy, and complete recovery is often difficult, with most patients ex...

[Read More] Understanding Stroke: Exploring Links Between Car Accidents and Brain Infarction


Understanding Trigeminal Neuralgia: Symptoms, Causes, and Treatments

Trigeminal neuralgia Hello, doctor: I have a tingling sensation in my left ear, my cheek feels numb, there is nerve pain below the left ear, and I am experiencing severe pain in the area above and to the left of my ear. Is this related to trigeminal neuralgia? What treatment shou...


Dr. Jiang Junyi Reply:
Dear Mr. Avi, You mentioned experiencing a "tingling sensation in the cheeks," which may warrant consideration of inflammation of the mandibular branch of the trigeminal nerve. This can occur due to compression by vascular structures as the trigeminal nerve enters the ...

[Read More] Understanding Trigeminal Neuralgia: Symptoms, Causes, and Treatments


Understanding Diplopia: Causes and Symptoms Beyond One Centimeter

Binocular diplopia occurs within 1 centimeter (at least) without lateral shadows, but outside of 1 centimeter, lateral shadows will be present? However, beyond 1 meter, there is double vision. What could be the neurological issue? Additionally, there is a sharp pain behind the le...


Dr. Jiang Junyi Reply:
Hello, Sir: You mentioned that "diplopia" may require consideration of issues related to cranial nerves (oculomotor, trochlear, and abducens) to the brainstem. It may also involve compression of the muscles behind the eye. Typically, brain imaging, blood tests, and nerv...

[Read More] Understanding Diplopia: Causes and Symptoms Beyond One Centimeter


Understanding One-Sided Pupil Dilation and Its Neurological Implications

Headache and dizziness with unilateral pupil exhibiting mydriasis and loss of light reflex? Hello Doctor, I started experiencing some brain fog about a week ago, along with mild dizziness and a tight sensation in my head, though it’s not very painful. It feels like my head is bei...


Dr. Jiang Junyi Reply:
Hello Student H: You mentioned that "my right eye has symptoms of mydriasis, meaning it does not respond to light at all without the use of dilating drops, while the left eye is normal. This is because I had a viral infection in my right eye and underwent surgery when I was ...

[Read More] Understanding One-Sided Pupil Dilation and Its Neurological Implications


Understanding One-Sided Pupil Dilation and Headache Symptoms

Headache and dizziness with unilateral pupil exhibiting mydriasis and loss of light reflex? Hello Doctor, I started experiencing some brain fog about a week ago, along with mild dizziness and a tight sensation in my head, though it’s not painful—more like a feeling of being const...


Dr. Jiang Junyi Reply:
Hello Student H: You mentioned that "my right eye has symptoms of mydriasis, meaning it does not respond to light at all without the use of dilating drops, while the left eye is normal. This is because I had a viral infection in my right eye and underwent surgery when I was ...

[Read More] Understanding One-Sided Pupil Dilation and Headache Symptoms


Post-Cold Numbness: Understanding Neurological Symptoms After Illness

Numbness in the body after a cold? Hello Doctor, After experiencing a mild fever due to a cold on February 16, I have been feeling numbness in my arms and legs. Sometimes, when I change my body position, I feel a tingling sensation from my back to the back of my head, especiall...


Dr. Jiang Junyi Reply:
Hello Mr. Yang, You mentioned that "there is a slight stabbing pain when the left side of my head is pressed or rubbed while sleeping, and my left palm also has some tingling sensations." Based on your description, we may need to consider cervical nerve root compressio...

[Read More] Post-Cold Numbness: Understanding Neurological Symptoms After Illness


Understanding Abnormal Brain Waves: Causes and Concerns

Abnormal brain waves Hello Doctor: For the past six months, I have been experiencing a feeling of pressure in my head, and occasionally when I look down, my vision becomes blurry on both sides. Yesterday, the EEG report showed abnormalities with localized slow waves. I was diagno...


Dr. Jiang Junyi Reply:
Hello Ms. G: You mentioned that "the EEG report shows abnormalities with localized slow waves... I would like to ask if hormone therapy or sleeping pills could cause slow waves in the EEG?" Sleeping pills typically increase beta waves. Insufficient sleep may lead to the...

[Read More] Understanding Abnormal Brain Waves: Causes and Concerns


Assessing Risk of Chronic Subdural Hematoma After Head Injury

Head trauma Hello Doctor, my father is 52 years old and has a history of liver cirrhosis, currently undergoing medication treatment. Last week, he accidentally hit his head hard when closing the car door. The pain lasted for about two minutes, and there was no loss of consciousne...


Dr. Jiang Junyi Reply:
Hello Mr. Huang, You mentioned that "the rear door accidentally hit my head after closing, it was quite forceful, and it hurt for about two minutes. There was no loss of consciousness, and I did not experience any other discomfort." Generally speaking, if there is no l...

[Read More] Assessing Risk of Chronic Subdural Hematoma After Head Injury


Understanding Blackouts, Dizziness, and Tinnitus: Neurological Concerns

Flashing black in the eyes, dizziness, tinnitus? For the past three to four months, I have occasionally experienced episodes of my vision going black. Initially, it felt like a cloth was being placed over my eyes from above for a second and then lifted. However, as of yesterday, ...


Dr. Peng Shiwei Reply:
Hello, based on your symptoms, my first step would be to rule out unilateral carotid artery stenosis causing transient visual disturbances, or cardiac issues such as arrhythmias that could lead to similar symptoms. However, if the carotid ultrasound and cardiac evaluations come b...

[Read More] Understanding Blackouts, Dizziness, and Tinnitus: Neurological Concerns


Understanding Persistent Dizziness and Chest Discomfort: A Patient's Journey

Dizziness issues? Hello, Doctor. I am the person who asked question #191468. Thank you for your advice. I later underwent HRV testing, and the report was normal. However, I have recently felt that my condition has worsened, both physically and mentally. Currently, I feel dizzy wh...


Dr. Jiang Junyi Reply:
Hello Miss Enola: "The HRV test results are normal." Heart Rate Variability (HRV) is actually a dynamic data point. It is recommended to monitor it using wearable devices like the Apple Watch. You mentioned, "I have always wanted to find the cause, but it’s contrad...

[Read More] Understanding Persistent Dizziness and Chest Discomfort: A Patient's Journey


Is It a Stroke? Understanding Symptoms and When to Seek Help

Suspected stroke? Hello, doctor. This morning when I got up, I experienced a sudden cramp in my left calf muscle due to the significant temperature changes over the past two days. At that moment, I felt a sensation in my head similar to blood rushing to my brain, followed by dizz...


Dr. Peng Shiwei Reply:
Hello, based on your symptoms, I believe the likelihood of a stroke is low (generally, it would present as sudden vision loss, typically affecting one eye). I think it may be presyncope. I recommend that you see a cardiologist or neurologist for further evaluation. Thank you for ...

[Read More] Is It a Stroke? Understanding Symptoms and When to Seek Help


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