Sudden Vision Loss: Understanding Possible Causes and Treatments
One eye suddenly lost vision? I do not expect an immediate answer to the following question, as I understand that diagnosing such diseases and determining treatment can be challenging. Based on my second-year anatomy knowledge, I know that ophthalmic diseases that cannot be seen ...
Dr. Cai Jingyao Reply:
There are many causes of acute vision loss. If, as you mentioned, the fundus appears completely normal, it is possible that the issue lies with the retrobulbar optic nerve. If it is retrobulbar optic neuritis, corticosteroids such as methylprednisolone may be administered via inj...[Read More] Sudden Vision Loss: Understanding Possible Causes and Treatments
Understanding Red Swelling on Toddler's Eyelid: Causes and Treatments
A large red swelling on a toddler's eyelid? I have a 2-year-old child with a large red swelling on the eyelid. Due to the busyness of adults, I noticed it about a week ago, and the swelling has been getting larger, with the upper eyelid starting to droop. We visited a nearby...
Dr. Wang Zhangji Reply:
Hello: 1. If the redness and swelling continue to increase, be cautious as it may lead to cellulitis, which could require hospitalization for intravenous antibiotics. 2. If severe complications occur, such as optic nerve compression, it may still affect vision. 3. Successful drai...[Read More] Understanding Red Swelling on Toddler's Eyelid: Causes and Treatments
Understanding Eye Hemorrhage: Insights for Diabetic Patients
Eye bleeding concerns? Dr. Tsai: Hello! I would like to ask you about my mother's right eye, which has been bleeding for over a year. She has diabetes, and despite seeking treatment for more than a year, the bleeding issue has not improved. Some doctors suggest waiting, stat...
Dr. Cai Jingyao Reply:
The most severe form of diabetic retinopathy is proliferative diabetic retinopathy, which is often accompanied by hemorrhage and damage to the macular area. Clearing the blood clots is just one aspect of treatment; the functionality of the retina and optic nerve is what truly mat...[Read More] Understanding Eye Hemorrhage: Insights for Diabetic Patients
Understanding Retinal Artery Occlusion: Symptoms and Recovery Insights
Questions about retinal artery occlusion? Hello doctor, I have a friend who became blind due to an accidental contusion. The doctor diagnosed him with retinal artery occlusion, but after 8 months, his vision improved from 0.01 to 1.0. What could be the reason for this? Also, what...
Dr. Cai Jingyao Reply:
The most severe form of diabetic retinopathy is proliferative diabetic retinopathy, which is often accompanied by hemorrhage and damage to the macular region. Clearing blood clots is just one aspect of treatment; the functionality of the retina and optic nerve is what truly matte...[Read More] Understanding Retinal Artery Occlusion: Symptoms and Recovery Insights
Understanding Optic Nerve Swelling: Causes, Effects, and Treatment
Optic nerve swelling I have a slightly blurred vision in my left eye, and a physician from Chung Shan Medical University diagnosed it as optic nerve swelling. I would like to know your opinion on the possible causes of this condition, considering my height is 165 cm and my weight...
Dr. Cai Jingyao Reply:
Hello, Sir: There are many causes of optic nerve swelling, such as increased intracranial pressure (usually bilateral), optic neuritis, ischemic optic neuropathy, and other optic nerve disorders. The manifestations can also be quite diverse. A detailed examination is necessary to...[Read More] Understanding Optic Nerve Swelling: Causes, Effects, and Treatment
Understanding Vision Loss After Viral Meningitis in Children
Are you injured? A five-year-old child at home has a history of epilepsy. On September 17, the child suddenly reported feeling unwell and experienced seizures, later being admitted to the intensive care unit. The child was transferred to a regular ward on October 4, and the docto...
Dr. Liu Jingxian Reply:
Hello Madam: The complications following meningitis can manifest in various ways. If any part of the visual-related neural structures (such as the optic nerve, optic tract, optic radiation, and the visual cortex in the occipital lobe, etc.) is affected, visual function impairment...[Read More] Understanding Vision Loss After Viral Meningitis in Children
Understanding Vision Loss: Possible Causes and Next Steps for Diagnosis
Half of the visual field is not visible during the visual field test? Hello, doctor. My mother seems to have an obstruction in her eye that is blocking her vision, so I accompanied her to Chiayi Christian Hospital to see an ophthalmologist. A CT scan confirmed that there are no b...
Dr. Wang Zhangji Reply:
Hello: If it is the upper right quadrant of the right eye, it may indicate a quarter field defect, which could suggest a brain lesion; however, your CT scan shows no abnormalities. If it is the entire upper half of the right eye, it may be due to vascular occlusion of the optic n...[Read More] Understanding Vision Loss: Possible Causes and Next Steps for Diagnosis
Can Vision Accuracy Be Precisely Measured at 0.1 with Current Technology?
What is the precise measurement of vision? Hello, is it possible to measure vision accurately and objectively at around 0.1 with current technology? My amblyopic eye has a corrected vision that is just around 0.1. I usually accept that I can't see clearly, but now due to mil...
Dr. Liu Jingxian Reply:
Hello, Xiao Tai: In the military service physical examination, the requirement for vision is set at a corrected visual acuity of "0.6" as the cutoff. If the visual acuity is below 0.6, further examinations will be arranged to identify the underlying causes of poor visio...[Read More] Can Vision Accuracy Be Precisely Measured at 0.1 with Current Technology?
Can Optic Nerve Atrophy from Trauma Be Reversed?
Optic nerve atrophy Hello doctor: I would like to ask about my brother, who has experienced optic nerve atrophy due to a car accident. He is completely blind in his left eye, and his vision in the right eye is only 0.2. Is there a possibility for recovery?
Dr. Liu Jingxian Reply:
Hello, Xiao Feng: Due to trauma causing damage to the optic nerve, the resulting optic nerve atrophy after treatment is usually not optimistic. If the damaged nerve cells undergo necrosis, they will not regenerate! Therefore, the current situation is limited by medical treatment,...[Read More] Can Optic Nerve Atrophy from Trauma Be Reversed?
Understanding Vision Re-examination: What to Expect During Your Eye Test
Vision re-examination? On July 1st, I was scheduled by the district office to go to Tri-Service General Hospital for a vision re-examination. As a result, the doctor asked me to return for another re-examination on July 11th. I was instructed to wash my hair beforehand and not to...
Dr. Ke Meilan Reply:
Hello: The technician will perform an electrophysiological examination of the eyes to measure the function of the optic nerve and retina. Sincerely, Dr. Komeilan, Ophthalmology.[Read More] Understanding Vision Re-examination: What to Expect During Your Eye Test
Understanding Retinal Detachment: Causes, Treatments, and Recovery Insights
I'm sorry to hear that you're in Hello, doctor. Two years ago, I accidentally injured my left eye while playing basketball, which led to a retinal detachment. After returning home, I noticed a decrease in my left eye's visual field and immediately went to the emerg...
Dr. Cai Jingyao Reply:
1. Whether surgery can be performed immediately in the emergency department depends on the patient's condition, making it difficult to generalize. 2. The left eye's vision remains at 0.3, and there are phenomena such as distorted visual fields and faded colors. The ca...[Read More] Understanding Retinal Detachment: Causes, Treatments, and Recovery Insights
Understanding the Connection Between Glaucoma, Visual Field Loss, and Optic Nerve Cupping
Glaucoma, visual field, and optic nerve? Hello, I would like to inquire about something! I have glaucoma, and my recent tests show that my visual field has significantly narrowed. I would like to understand if a narrowed visual field is equivalent to a cupped optic disc? Addition...
Dr. Wang Yuwei Reply:
The cause of visual field narrowing is the enlargement of the optic disc cupping. The optic disc can be examined using an ophthalmoscope or other instruments, while the visual field is assessed using a perimetry test.[Read More] Understanding the Connection Between Glaucoma, Visual Field Loss, and Optic Nerve Cupping
Understanding Normal Ranges for Optic Nerve Cupping and Visual Field Loss in Glaucoma
A question about glaucoma? Hello, doctor. I have glaucoma, and during my military service examination, it was found that the optic nerve cupping in both eyes is 0.6, with visual field losses of 8.56 dB in the right eye and 11.2 dB in the left eye. I would like to know what the ty...
Dr. Wang Yuwei Reply:
1. Most individuals have a cup-to-disc ratio of approximately 0.3, but a ratio greater than 0.3 does not necessarily indicate glaucoma. It should be assessed based on a combination of factors including the shape and depth of the cup, as well as the condition of the retinal nerve ...[Read More] Understanding Normal Ranges for Optic Nerve Cupping and Visual Field Loss in Glaucoma
Why Is My Vision Blurry Despite Normal Eye Exam Results?
All eye examinations are normal, so why is vision still blurry? Hello Doctor: I had laser vision correction about six months ago, but in the past few weeks, I've suddenly experienced blurred vision in my left eye, with uncorrected vision dropping to 0.4. Both distant and nea...
Dr. Feng Jiefan Reply:
Hello: Your issue is quite complex and should be addressed by a well-funded ophthalmology department for a detailed examination. For good vision, the structure of the eyeball must be normal, the optic nerve must function properly, and the visual center in the brain must also be i...[Read More] Why Is My Vision Blurry Despite Normal Eye Exam Results?
Understanding Retinal Artery Occlusion: Diagnosis, Symptoms, and Recovery
Question Hello Dr. Wang, I would like to ask about my condition. I suffered a retinal artery occlusion in my right eye due to a car accident, and my vision was reduced to only hand movements. The doctor said I could only receive supportive treatment and that I should give up hope...
Dr. Wang Zhangji Reply:
Hello: A dilated fundus examination allows us to observe the optic nerve and retinal arteries, and it can also reveal arterial occlusions. If combined with angiography, the details can be clearer. If there is a complete retinal occlusion and it has been present for too long, the ...[Read More] Understanding Retinal Artery Occlusion: Diagnosis, Symptoms, and Recovery
Is It Time for Cataract Surgery? Key Questions Answered
Is it time to implant the intraocular lens? Hello Doctor: I have a few questions to ask: (I have known cataracts for 2 years, blood pressure around 160, normal eye pressure, no diabetes) 1. Given that I see things both near and far very blurry now, would it be better to have a le...
Dr. Lin Zhengyi Reply:
1. There are many causes of blurred vision, such as cataracts, corneal disorders, vitreoretinal diseases, optic nerve disorders, or simply issues like myopia or presbyopia. If an ophthalmologist examines the patient and determines that cataract surgery could improve vision, the p...[Read More] Is It Time for Cataract Surgery? Key Questions Answered
Should My Daughter Wear Glasses for Her Amblyopia?
Do I need to wear glasses? I have a daughter in the second grade who has amblyopia. Her vision is 0.2, and with corrective lenses, she can achieve 0.6. Should she wear her glasses all the time, or only when she can't see well? She usually refuses to wear them while watching ...
Dr. Ke Meilan Reply:
Hello, It is essential to confirm what your daughter's best vision is. For a second grader around 8 years old, the critical period for treating amblyopia is between 5 to 8 years of age. The treatment for your daughter has not been strictly followed, resulting in poor effec...[Read More] Should My Daughter Wear Glasses for Her Amblyopia?
Understanding Optic Nerve Atrophy: Treatment Options and Hope
I have optic nerve atrophy? I have optic nerve atrophy. My vision in both eyes is 0.2, with myopia of about -500 and astigmatism of -200. Is surgery an option for treatment? What methods are available for treatment? Is there hope for recovery? Thank you for your response.
Dr. Ke Meilan Reply:
Hello, I would like to know if 0.2 is considered the best corrected vision. If the optic nerve has already atrophied, surgery cannot improve vision. However, if myopia and astigmatism are causing the vision to be 0.2, and correction can improve vision, then surgery can be perform...[Read More] Understanding Optic Nerve Atrophy: Treatment Options and Hope
Understanding Retinal Detachment: Hope for Recovery After Eye Injury
Retinal detachment Hello, Dr. Lin. It has been over four years since my car accident. Initially, the strong impact caused a fracture in the left cheekbone, which penetrated the left eye. The doctor initially told me that my eye was fine, but after nearly a month of hospitalizatio...
Dr. Lin Zhengyi Reply:
Four years ago, a traumatic injury caused retinal detachment and optic nerve rupture. With current medical technology, there is no way to restore your vision. The anatomical structure and physiology of a frog's eye are still significantly different from that of humans, so st...[Read More] Understanding Retinal Detachment: Hope for Recovery After Eye Injury
Understanding Retinal Issues: Flashing Lights and Visual Disturbances
Optic nerve Hello, I have a retinal tear and have undergone laser treatment. However, I am still experiencing some issues. Often, after watching TV or reading, I see white or red flashes in front of my eyes. Does this mean I should avoid these activities? Additionally, occasional...
Dr. Chen Anping Reply:
Hello Luke: You can still watch TV or read newspapers. The appearance of red and white flashes is a common phenomenon after undergoing laser treatment for retinal tears. As for the occasional occurrence of small white spots, about the size of mung beans, moving around your vision...[Read More] Understanding Retinal Issues: Flashing Lights and Visual Disturbances