Understanding Eye Strain During Menstruation and Glaucoma Risks
During menstruation, the eyes can feel very fatigued? Hello, doctor. During my menstrual period, my eyes feel particularly dry and sensitive to light, and I easily get fatigued. Is this normal? Additionally, I would like to ask about glaucoma. Seven to eight years ago, during an ...
Dr. Gao Pilin Reply:
Hello, Ayou: During menstruation, hormonal changes can lead to the dilation of blood vessels in the eyes, resulting in symptoms such as ocular congestion. This may sometimes also trigger headaches, leading to discomfort in the eyes. Individuals with myopia may have a more pronoun...[Read More] Understanding Eye Strain During Menstruation and Glaucoma Risks
Is Eye Pressure High If My Eyes Feel Swollen? Understanding Symptoms and Concerns
Is a feeling of puffiness in the eyes indicative of high intraocular pressure? Hello, I often feel pain and pressure in my left eye, along with headaches, so I saw two ophthalmologists last month. The first doctor measured my eye pressure using a puff test, which showed (left) 30...
Dr. He Jianxian Reply:
Hello, using finger pressure to measure intraocular pressure is absolutely inaccurate, and even very experienced physicians do not use this method to assess eye pressure. The sensation of eye fullness usually comes from tension in the surrounding eye muscles, and appropriate rest...[Read More] Is Eye Pressure High If My Eyes Feel Swollen? Understanding Symptoms and Concerns
Understanding Glaucoma: Managing Eye Health and Vision Loss Risks
Glaucoma, Vision Care Hello, I am a 40-year-old software engineer with refractive errors of -4.50 and -4.75. Out of curiosity, I tried the Amsler grid and discovered that when I cover one eye, I cannot see the upper left corner clearly with my right eye while focusing on the cent...
Dr. He Jianxian Reply:
Hello Louis: 1. Glaucoma can occur in just one eye! 2. If intraocular pressure is well controlled, the likelihood of optic nerve damage decreases, and it does not necessarily lead to blindness. 3. Unless you are bored with your current job, there is no need to change jobs; glauco...[Read More] Understanding Glaucoma: Managing Eye Health and Vision Loss Risks
Impact of Eye Conditions on Visual Field Testing Accuracy
Visual field examination Hello, Doctor: I would like to ask if during a visual field test, if one eye is covered and the covered eye can still perceive some light from the instruments through a tissue, will this affect the accuracy of the test? For the next test, would it be bett...
Dr. Gao Pilin Reply:
Hello Ms. P: Having tissue paper in place should not affect the results of the examination, as the visual field test is conducted for only one eye at a time. High myopia can inherently cause some changes in the optic nerve head, which can sometimes be difficult to differentiate f...[Read More] Impact of Eye Conditions on Visual Field Testing Accuracy
Understanding Optic Nerve Abnormalities: Symptoms and Next Steps
Optic nerve abnormalities Hello Doctor: I have approximately -7.50 diopters of myopia in both eyes. Recently, when I close my eyes in a dark place and then open them, I see a black shadow in the center that lasts for 2 to 3 seconds before disappearing. When reading a line of text...
Dr. Gao Pilin Reply:
Hello Mr. Li: There may not be an urgent need for a visual nerve examination, but it would be advisable to first consult a neurologist regarding your hand tremors, as they could potentially be related to an eye issue. The ophthalmology department at Puzi Hospital in Taiwan is ava...[Read More] Understanding Optic Nerve Abnormalities: Symptoms and Next Steps
Understanding Degenerative Myopia: Is It a Serious Eye Condition?
Degenerative myopia Hello Doctor: I recently had an eye examination and was diagnosed with myopia of -6.00 in my left eye and -7.50 in my right eye. The fundus imaging of the macula and visual field tests showed no significant issues, except for a previous retinal tear in my left...
Dr. Gao Pilin Reply:
Hello Yizhen: Degenerative myopia refers to myopia that leads to certain retinal changes, such as peripheral thinning or the presence of holes. If the holes have been treated with laser, then regular check-ups are sufficient. If your doctor has not scheduled a follow-up appointme...[Read More] Understanding Degenerative Myopia: Is It a Serious Eye Condition?
Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options
Two questions? Since last October, I have been experiencing a persistent sensation of heaviness and discomfort in my eyes. I have undergone dilation and visual field tests, but nothing significant was found. Each time, the doctor prescribes me a bottle of cyclopentolate eye drops...
Dr. Gao Pilin Reply:
Hello: Sancoba is vitamin B12, and long-term use has no side effects. Brown discoloration in the sclera may be due to pigmentation, or it could be related to pinguecula or pterygium, which are generally benign changes. Eye discomfort can be attributed to either dry eyes or excess...[Read More] Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options
Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options
Two questions? Since last October, I have been experiencing a persistent sensation of heaviness and discomfort in my eyes. I have undergone dilation and visual field tests, but nothing significant was found. Each time, the doctor prescribes me a bottle of cyclopentolate eye drops...
Dr. Gao Pilin Reply:
Hello: Sancoba is vitamin B12, and long-term use has no side effects. The brown discoloration in the sclera may be due to pigmentation, or it could be related to pinguecula or pterygium, which are generally benign changes. Eye discomfort can be caused by dry eyes or excessive use...[Read More] Managing Eye Discomfort: Long-Term Use of Eye Drops and Treatment Options
Understanding Glaucoma: OCT Insights, Diagnosis, and Treatment Advances
Glaucoma-related 1. Can OCT directly show optic nerve atrophy, or does it only indicate the size of the optic disc? Does high myopia affect the interpretation? 2. If the OCT values are abnormal but the visual field test is normal, can it still be classified as glaucoma? (The pa...
Dr. He Jianxian Reply:
Hello Ms. Ching: 1. OCT (Optical Coherence Tomography) is used to collect population data to establish a database for comparative analysis. However, due to individual variations, there can be significant differences, especially in cases of high myopia where the optic nerve head...[Read More] Understanding Glaucoma: OCT Insights, Diagnosis, and Treatment Advances
Understanding Dark Spots in Vision: Insights on Macular Degeneration
The pinhole version has a shadow? Hello Dr. Gao, I have noticed a significant decrease in vision in my left eye in dark or indoor environments, while my right eye remains clear under the same conditions. Both eyes are clear during the day with good lighting. Today, during a pinh...
Dr. Gao Pilin Reply:
Hello, Little Orange: The black shadow around the pinhole is due to diffraction and some optical phenomena, which is normal and will disappear once removed. In cases of pigmentary retinopathy, vision may be unclear at night; however, your condition may not necessarily indicate th...[Read More] Understanding Dark Spots in Vision: Insights on Macular Degeneration
Seeing Rainbow Halos Around Streetlights: Possible Causes Explained
Seeing a rainbow halo around a streetlight? Last week, I had a visual field test and a fundus examination, both of which were normal. A few days ago, I noticed rainbow halos around streetlights, so I immediately visited an ophthalmologist. My intraocular pressure was normal, and ...
Dr. He Jianxian Reply:
Hello Vivi: First, it is important to understand that glaucoma is not possible, as only acute glaucoma can cause such a condition. If you are wearing glasses, dirty lenses or impurities in your tears could also lead to similar issues. Dr. He Jianxian, Ophthalmologist, Nantou Hosp...[Read More] Seeing Rainbow Halos Around Streetlights: Possible Causes Explained
Understanding Night Vision Problems: Why Is My Left Eye Blurry Indoors?
Diminished monocular vision in dimly lit areas or indoors? Hello, Doctor: About three months ago, I suddenly noticed that my left eye's vision decreases whenever I am indoors or at night (with streetlights). The dimmer the light, the less I can see, while my right eye remain...
Dr. Gao Pilin Reply:
Hello, Little Orange: If the aforementioned tests do not reveal the cause, it may be necessary to conduct a functional test of the retina. It could possibly be retinitis pigmentosa. I recommend that you visit the retina department at a medical center for a thorough examination. A...[Read More] Understanding Night Vision Problems: Why Is My Left Eye Blurry Indoors?
Should You Wear Glasses for a Visual Field Test?
Should I wear glasses during a visual field test? Hello Doctor: Recently, my ophthalmologist scheduled a visual field test for me in a few days. I have a pair of glasses; my left eye has 0 diopters of myopia and 50 degrees of astigmatism, while my right eye has 50 diopters of myo...
Dr. Gao Pilin Reply:
Hello, Yizhen: Your prescription is very mild, and you can undergo a visual field test without wearing glasses. Additionally, some visual field machines do not allow for glasses to be worn, but corrective lenses may be available. In any case, it depends on the specific equipment ...[Read More] Should You Wear Glasses for a Visual Field Test?
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 Vision Changes: Blackout in Lower Right Eye Field
Lower visual field of the right eye? Hello, doctor. I have high myopia, and since the end of September last year, I have been experiencing a foggy black sensation in my right eye's lower visual field when moving from bright to dim areas. I had been wearing orthokeratology le...
Dr. Gao Pilin Reply:
Hello Ms. Tseng: This situation is likely unrelated to orthokeratology lenses. The results from the dilation, visual field test, and OCT are not concerning, so there is no need for worry. It is possible that you are experiencing floaters, but it is best to have the examining phys...[Read More] Understanding Vision Changes: Blackout in Lower Right Eye Field
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
Can High Eye Pressure Improve? Understanding Glaucoma Management
Can high eye pressure improve? I went for an eye examination the day before yesterday, and my intraocular pressure was 38 mmHg. The doctor suspected glaucoma. I also had a visual field test, which appeared to be normal. The doctor prescribed medication to lower my eye pressure. T...
Dr. He Jianxian Reply:
Sometimes, inflammation in the eyes can lead to temporary elevated intraocular pressure. Since it is not possible to determine the exact cause of your elevated eye pressure, we cannot inform you whether your intraocular pressure will return to normal without medication.[Read More] Can High Eye Pressure Improve? Understanding Glaucoma Management
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 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