Flashing Lights Behind Closed Eyes: Understanding Eye Symptoms
Seeing flashes of light when closing the eyes? I have floaters and amblyopia. Recently, I noticed that when I close my eyes, I see flickering similar to a faulty fluorescent light. I went to a clinic for a dilated eye exam, and the doctor said there were no significant issues wit...
Dr. He Jianxian Reply:
It may be caused by vitreous traction on the retina, but the actual reason is unknown. For reference. Dr. He Jianxian[Read More] Flashing Lights Behind Closed Eyes: Understanding Eye Symptoms
Will an Eye Exam Check for Eye Injuries and Health Issues?
Will an eye examination check for any damage to the eyes? Hello Dr. Gao: Due to my work environment, I sometimes get small dust particles or foreign objects in my eyes. Occasionally, I rub my eyes a bit, but I'm concerned about potentially damaging my eyeball. I have researc...
Dr. Gao Pilin Reply:
Hello Mr. Zeng: In a general ophthalmology outpatient examination, the slit lamp can be used to check for any eye injuries. Additionally, vision, intraocular pressure, cornea, lens, retina, and optic nerve status will also be assessed. If you express your concerns during the exam...[Read More] Will an Eye Exam Check for Eye Injuries and Health Issues?
Understanding Elevated Eye Pressure: Risks of Glaucoma and What to Expect
Intraocular pressure issues? Hello Doctor, my corneal thickness is over 600 micrometers, and I have myopia of around -8.00 diopters in both eyes. My usual intraocular pressure is around 21 mmHg. Two months ago, I measured it at the clinic, and it was still around 21-22 mmHg. Howe...
Dr. Gao Pilin Reply:
Hello Mr. Huang: The term "marginal" likely indicates that you have not yet undergone a visual field test, while the eye pressure and the appearance of the optic nerve suggest signs of glaucoma. If the intraocular pressure is elevated and there are changes in the optic ...[Read More] Understanding Elevated Eye Pressure: Risks of Glaucoma and What to Expect
Understanding High Myopia: Symptoms, Progression, and Vision Concerns
Report on High Myopia Consultation Hello Doctor: I have high myopia (550, 600). Last week, during a fundus examination, the doctor mentioned that there were no significant issues with the retina, some degeneration of the vitreous body, but the optic nerve seemed to have atrophied...
Dr. Gao Pilin Reply:
Hello, 1) I would like to ask what symptoms are associated with optic nerve degeneration, elongation of the eyeball, and vitreous degeneration? Will these three conditions continuously worsen without limits, or will they stabilize at some point, and is there a possibility of im...[Read More] Understanding High Myopia: Symptoms, Progression, and Vision Concerns
Understanding Eye Strain and Floaters: Causes and Solutions
Eye discomfort with the presence of floaters? Hello, doctor. I have high myopia and floaters. Recently, I have been feeling fatigued and strained when looking at screens. At night or in dim environments, I experience significant photophobia, and I see many tiny black dots swirlin...
Dr. Gao Pilin Reply:
Hello Mr. Hsu: Based on your description, I cannot deduce the cause of this phenomenon either. Staring at screens can lead to fatigue more easily, and in low light conditions, the pupils dilate, which may result in light sensitivity. Regarding the small black spots, the most like...[Read More] Understanding Eye Strain and Floaters: Causes and Solutions
Understanding Optic Nerve Edema: Causes, Symptoms, and Treatment Options
Optic disc edema Initially, I thought the sudden changes and increase in floaters warranted a visit to the ophthalmologist, but the doctor said my eyes were fine. However, he discovered that my optic disc was swollen and suspected that I might have elevated intracranial pressure,...
Dr. Gao Pilin Reply:
Hello Ms. Lin: Regarding your medication questions, you should consult your attending physician, as they are familiar with your condition. The cause of optic nerve edema needs to be determined before appropriate treatment can be administered. For carotid artery issues, you may wa...[Read More] Understanding Optic Nerve Edema: Causes, Symptoms, and Treatment Options
Understanding Intermittent Treatment for High Eye Pressure
High intraocular pressure issues? Hello, Doctor: I have a problem with elevated intraocular pressure, but my visual field test is normal. The physician's approach to managing the elevated intraocular pressure is to prescribe pressure-lowering eye drops only if my eye pressur...
Dr. Gao Pilin Reply:
Hello Mr. Wang: If your visual field and optic nerve are normal but your intraocular pressure is elevated, it is sometimes necessary to measure the corneal thickness. A thicker cornea can contribute to higher pressure readings. The use of eye drops to lower intraocular pressure i...[Read More] Understanding Intermittent Treatment for High Eye Pressure
Understanding Optic Nerve and Retina Thinning in High Myopia
Optic nerve & retina Hello Doctor: I have high myopia (550, 600). Yesterday, I underwent a routine dilated eye exam (showing retinal thinning, non-patterned degeneration) and also had a fundus scan. The report indicated that the optic nerves in both eyes are thinning, and I n...
Dr. Gao Pilin Reply:
Hello May: The thinning of the optic nerve can sometimes be congenital, so a visual field test is necessary to determine if there are any abnormalities. High myopia can lead to thinning of the peripheral retina, but it does not necessarily result in holes or retinal detachment. T...[Read More] Understanding Optic Nerve and Retina Thinning in High Myopia
Understanding Floaters After Eye Injury: Causes and Solutions
Traumatic floaters Hello, doctor. Three days ago, I was hit near my temple by a volleyball while playing. The next day, I noticed a strange black spot and a black circle appearing in my vision, and it almost always looks the same. I quickly went to an ophthalmologist that evening...
Dr. Gao Pilin Reply:
Hello Mr. Hsu: If you have a corneal injury, you should not see black dots or black circles. The black circles may be Weiss rings, which occur when the vitreous detaches from the retina, creating a ring at the optic nerve. Over time, this ring may deform, shrink, or sink. You can...[Read More] Understanding Floaters After Eye Injury: Causes and Solutions
Understanding Physiological Blind Spots and Visual Distortions
Questions about physiological blind spots? My left eye has a prescription of nearly 800 to 900, while my right eye is 750. I have a significant number of floaters in both eyes, which has been a longstanding issue. I have been taking lutein for over a year, and during my annual he...
Dr. Gao Pilin Reply:
Hello, Hsuan: The blind spot refers to an area where no visual information is perceived. Are you referring to the regions surrounding the blind spot? The blind spot is located at the optic nerve head, and in cases of high myopia, there may be some traction or undulation of the re...[Read More] Understanding Physiological Blind Spots and Visual Distortions
Understanding Glaucoma: Navigating Conflicting Eye Exam Results
Glaucoma issues Hello, Director: (1) Can you please tell me if the following examination results are normal? Slit lamp examination: OU C: hyperemia K: c AC: DC L: c disc: c/d 0.4 (2) I underwent a fine ultrasound examination at a major hospital, and the doctor's conclusion w...
Dr. Gao Pilin Reply:
Hello Mr. Wang: If your visual field is normal and your intraocular pressures are 19 and 17 mmHg, these are considered normal. The cup-to-disc ratio of your optic nerve is 0.4, which means you generally do not need to use glaucoma eye drops. You can continue to monitor your intra...[Read More] Understanding Glaucoma: Navigating Conflicting Eye Exam Results
Balancing Vision: Cataract Surgery Options for Different Eye Degrees
Cataract refractive balance preservation? Hello Doctor: I have -800 diopters in my left eye and -400 diopters in my right eye. The left eye has cataracts, while the right eye is normal, and the OCT of the optic nerve is normal. The doctor suggested that I could retain -200 diopte...
Dr. Cai Wenyuan Reply:
Hello, there are actually quite a few options for prescription selection, and it mainly depends on individual needs. It is best to discuss this with the surgeon. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospita...[Read More] Balancing Vision: Cataract Surgery Options for Different Eye Degrees
Understanding Glaucoma: Insights from Ultrasound Examination Results
Microscale Ultrasound Examination Hello, Doctor: 1) At the beginning of June, I went to the ophthalmology department for a fine ultrasound examination for glaucoma, and the results were as follows: Diagnosis: 365.10 Open-angle glaucoma, unspecified; 377.51 Disorders of optic ch...
Dr. He Jianxian Reply:
It seems that you do not have the results of a visual field test. It is recommended to undergo a visual field test for more accurate results. If glaucoma is confirmed, most medications will need to be used for a lifetime. Additionally, corneal thickness can indeed affect intraocu...[Read More] Understanding Glaucoma: Insights from Ultrasound Examination Results
Understanding Retinal Issues: Managing Blurry Vision and High Myopia
Retinal issues causing blurred vision? Hello, Doctor. Today, I noticed that my distance vision in my left eye is blurry, so I immediately went to see an ophthalmologist. Additionally, my left eye has elevated intraocular pressure. The doctor promptly arranged for a dilated eye ex...
Dr. Gao Pilin Reply:
Hello, 1. The doctor mentioned that a thinner peripheral retina is a common condition among individuals with high myopia and advised not to panic. Is that correct? Answer: Yes, that is correct. People with myopia tend to have larger eyeballs, which results in a thinner periphe...[Read More] Understanding Retinal Issues: Managing Blurry Vision and High Myopia
Diagnosing Posterior Vitreous Detachment: Tools Beyond OCT
Posterior vitreous detachment Hello! If "posterior vitreous detachment" cannot be detected using OCT, what other instruments can be used for diagnosis? Is dilation the only way to visualize it? Thank you for your response!
Dr. Gao Pilin Reply:
Hello, Xiao Chen: The vitreous body is actually transparent, and posterior vitreous detachment is not easily visible to the naked eye. Sometimes, the Weiss ring, which indicates the vitreous pulling away from the optic nerve, can be observed to help in diagnosis. Therefore, it is...[Read More] Diagnosing Posterior Vitreous Detachment: Tools Beyond OCT
Understanding Occasional Rainbow Vision: Causes and When to Seek Help
Occasional visual aura? Hello Dr. Tsai, Recently, I've been experiencing eye fatigue and occasionally seeing faint rainbow halos around streetlights (the color layering is not very pronounced). A month ago, I had my eyes checked for refractive error, astigmatism, and fundus...
Dr. Cai Wenyuan Reply:
Hello, it should not be glaucoma; observation is sufficient. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Occasional Rainbow Vision: Causes and When to Seek Help
Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
After seeing red light in the dark, the eyes immediately perceive a cyan-green afterimage, along with conjunctivitis and retinal issues? Hello, I have high myopia. I just had an eye examination in March of this year (which included OCT and slit lamp examination of the retina). Th...
Dr. He Jianxian Reply:
1. Afterimages are a normal phenomenon and should not be a cause for concern. 2. It may feel like floaters. 3. I cannot answer without knowing what you are describing. 4. Conjunctivitis and eye discharge are not significantly harmful to the eyes, but they can cause discomfo...[Read More] Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
Eye Injury from Pressure: Risks to Vision and Glaucoma Explained
Pressure on the eyeball? Hello doctor, my friend accidentally applied excessive pressure to my eyeball while lifting my eyelid, and now my eyeball hurts a lot. I would like to ask: 1. Could this cause pressure on the optic nerve? 2. Could it lead to glaucoma?
Dr. Gao Pilin Reply:
Hello Jane: Generally, pressure applied to the eyeball is momentary and should not be sufficient to compress the optic nerve. It will definitely not lead to glaucoma, so please rest assured. In Taiwan, the Department of Ophthalmology at Puzi Hospital is open on Mondays, Tuesdays,...[Read More] Eye Injury from Pressure: Risks to Vision and Glaucoma Explained
Understanding Optic Nerve Cupping: CT Scan Implications and Eye Health
Optic nerve sheath meningioma brain computed tomography? I have a problem with the cupping of my optic nerve, and my myopia is measured at -7.75, -7.50, and -7.50. An ophthalmologist has performed a preliminary examination and confirmed that it is not glaucoma. Everything else ap...
Dr. He Jianxian Reply:
There are no reports indicating that performing a CT scan affects the optic nerve in clinical practice, so you can rest assured.[Read More] Understanding Optic Nerve Cupping: CT Scan Implications and Eye Health
Understanding Post-Laser Glaucoma Surgery Symptoms and Concerns
Laser treatment for left eye glaucoma? Hello Doctor, I apologize for having multiple questions. Last year, I underwent laser surgery for glaucoma, and after the procedure, I noticed a white line, which the doctor said was normal. I have mostly adapted to it, but I saw a reassurin...
Dr. Gao Pilin Reply:
Hello, 雅: Laser treatment does not cause the appearance of white halos or similar small white spots; this condition is most commonly known as floaters. Floaters can sometimes be undetectable during examinations, so they typically do not have any significant impact. Please rest as...[Read More] Understanding Post-Laser Glaucoma Surgery Symptoms and Concerns