Understanding Eye Discomfort: Causes and Solutions for Common Issues
My eyes? When I just wake up, my eyes feel a bit painful, and when I move them, it feels like there are small stones inside. After wearing contact lenses for a short while, I notice some redness in my eyeball. When I take out the contact lenses, my eyes feel a bit sore.
Dr. Zhang Yanrui reply Ophthalmology
The sensation of grittiness in the eyes can have various causes. It may be due to dried secretions in the eye, the presence of debris, or an eyelash that has fallen into the eye. If the symptoms are not severe, they may resolve on their own, but if the symptoms are severe, it is ...[Read More] Understanding Eye Discomfort: Causes and Solutions for Common Issues
Understanding Pterygium: Causes and Treatment Options Explained
What is a pterygium and how is it treated? The white part of the eye is growing flesh and slowly extending towards the eyeball. I just had a physical examination, and my liver function is normal. What could be the cause of this?
Dr. Zhang Yanrui reply Ophthalmology
The development of eye wings may have various causes, such as hormonal and metabolic factors. It is advisable to undergo a thorough examination at a hospital to determine the exact reason. Thank you.[Read More] Understanding Pterygium: Causes and Treatment Options Explained
Understanding Laser Surgery for Corneal Neovascularization: LASIK or Other Options?
Online Q&A questions Hello Doctor: I previously experienced temporary vision loss 2 to 3 times, and the doctor diagnosed me with corneal inflammation. They also mentioned the presence of neovascularization in my eyes. I saw your response in the online Q&A where you mentio...
Dr. Zhang Yanrui reply Ophthalmology
Currently, the primary laser treatments for myopia are LASIK and PRK. Whether surgery is necessary depends on the patient's needs. For example, wearing regular glasses is also a good option. If you prefer not to wear regular glasses, you may consider laser surgery.[Read More] Understanding Laser Surgery for Corneal Neovascularization: LASIK or Other Options?
Understanding Narrow Peripheral Vision: Causes and Solutions
Is the visual field of the eyes too narrow? This year, I went to the Motor Vehicle Office for a health check-up in order to take the driving test. One of the tests was the "visual field test," which measures the extent of our peripheral vision. They used a device that i...
Dr. Zhang Yanrui reply Ophthalmology
If you notice any visual field loss, please seek an eye examination immediately. There are many potential causes for visual field loss, such as retinal detachment, glaucoma, optic neuropathy, and brain tumors. These conditions should not be taken lightly and require prompt treatm...[Read More] Understanding Narrow Peripheral Vision: Causes and Solutions
Understanding Vision Recovery After Retinal Detachment Surgery
excuse me? I underwent scleral buckle surgery for retinal detachment a month ago. My first vision measurement was around 800 degrees, but during the recent second measurement, it decreased by 25 degrees (originally my vision was 600). I would like to know how long it typically ta...
Dr. Zhang Yanrui reply Ophthalmology
It is common to experience an increase of one to two diopters after undergoing a scleral buckle surgery. It is recommended to wait three to six months for a more stable prescription before getting glasses. However, it is important to be mentally prepared that even with glasses, v...[Read More] Understanding Vision Recovery After Retinal Detachment Surgery
Assessing Risks of Fluorescein Angiography in Patients with Cerebrovascular Disease
What are the risks of performing fluorescein fundus photography in patients with cerebrovascular disease? Dr. Zhang: Hello! My mother is 75 years old, and her pre-meal blood sugar level is around 140. Recently, she suddenly experienced complete darkness in her right eye without a...
Dr. Zhang Yanrui reply Ophthalmology
In fact, the complications caused by angiography are very, very low, even in patients with atherosclerosis; however, there have been cases of complications. For patients with macular hemorrhage, fluorescein angiography is the best diagnostic tool. If there is no history of allerg...[Read More] Assessing Risks of Fluorescein Angiography in Patients with Cerebrovascular Disease
Persistent Eyelid Swelling: Causes and Treatment Options
Upper eyelid swelling Hello doctor, about a year ago I wore contact lenses for a long time and experienced photophobia, eye pain, tearing, and redness with swelling in my upper eyelid. After treatment from a doctor, my eye condition has improved significantly, but the redness and...
Dr. Zhang Yanrui reply Ophthalmology
The best method for reducing swelling is ice application. However, if all the doctors believe that you are not swollen, does that mean you are truly not swollen? You might also try stopping the use of contact lenses, as it could potentially improve the situation. Additionally, yo...[Read More] Persistent Eyelid Swelling: Causes and Treatment Options
Does Color Weakness Affect Medical Exam Results for Railway Candidates?
Inquiring whether color weakness will be classified as color blindness, resulting in a failure to pass the medical examination? Inquiry about whether color weakness in the railway special examination physical examination will be classified as color blindness, leading to disqualif...
Dr. Zhang Yanrui reply Ophthalmology
Regarding color weakness and color blindness, they can be assessed using color vision tests, which are available in almost all ophthalmology clinics. If one is unfortunately diagnosed with color blindness, they can request a certificate of color weakness from a physician, which c...[Read More] Does Color Weakness Affect Medical Exam Results for Railway Candidates?
Is a Multifocal Intraocular Lens Right for My High Myopia?
Am I suitable for multifocal intraocular lenses? Hello Dr. Chang, I am 31 years old and have high myopia. I recently underwent an evaluation for myopia surgery at the hospital. Here are the examination details I remember: my myopia is approximately 1100-1200 degrees in both eyes...
Dr. Zhang Yanrui reply Ophthalmology
Given your condition, with a visual acuity of 1.0, it is unlikely that any physician would strongly recommend cataract surgery; especially since you are only in your thirties and have good accommodation ability of your natural lens. Artificial lenses do not have the ability to ac...[Read More] Is a Multifocal Intraocular Lens Right for My High Myopia?
Understanding Temporary Discomfort After Scleral Buckling Surgery
Scleral Buckling Surgery for Retinal Detachment I recently underwent scleral buckle surgery for retinal detachment, but I sometimes feel like there is a foreign body in my eye. The doctor mentioned it is the buckle. This sensation comes and goes, and when it is pronounced, it cau...
Dr. Zhang Yanrui reply Ophthalmology
The ring buckle placed in your eye socket is likely made of silicone material, and it is generally not recommended to remove it, as doing so would significantly increase the chances of retinal detachment occurring again. Since this device is encapsulated within the conjunctiva, i...[Read More] Understanding Temporary Discomfort After Scleral Buckling Surgery
Understanding Vision Changes After Eye Trauma and Laser Surgery
Eye trauma with a sensation of haze? Hello, I have high myopia and have experienced retinal degeneration. A few days ago, I suffered a blow to my eye and noticed numerous small black dots and thread-like objects floating in my vision. After going to the hospital, the doctor infor...
Dr. Zhang Yanrui reply Ophthalmology
This is another manifestation of floaters; the vitreous body and retina are in contact during adolescence, but they can separate due to aging, high myopia, or trauma. During this separation, a small number of individuals may experience retinal tears or detachment. After vitreous ...[Read More] Understanding Vision Changes After Eye Trauma and Laser Surgery
Understanding Retinal Detachment: Insights and Concerns for High Myopia Patients
Retinal detachment Hello Doctor, I am highly myopic and have had floaters for about ten years. At the end of July this year, I suddenly noticed an increase in the dark shadows and light spots in my eyes, so I went to National Taiwan University Hospital for a fundus examination. T...
Dr. Zhang Yanrui reply Ophthalmology
From your medical records, it is noted that during your examination at National Taiwan University Hospital, there were severe changes in your retina, possibly due to vitreous traction. However, this condition is temporary. If the vitreous and retina successfully separate without ...[Read More] Understanding Retinal Detachment: Insights and Concerns for High Myopia Patients
Understanding Persistent Eye Symptoms: Allergies or Cataracts?
Eyelid swelling and redness? My grandmother is in her seventies and has been experiencing tearing. After an examination by an ophthalmologist, the doctor recommended cataract surgery. It has been nearly a year, and her tearing has not improved. Additionally, her eyelids are itchy...
Dr. Zhang Yanrui reply Ophthalmology
Eye allergies are caused by individual predispositions and typically recur, but they usually do not significantly affect vision. During flare-ups, antihistamines can be used. However, the use of immunosuppressants is generally not recommended due to their significant side effects...[Read More] Understanding Persistent Eye Symptoms: Allergies or Cataracts?
Can I Still Wear My Contact Lenses After Months of Inactivity?
Should I wear these contact lenses??? I haven't worn my contact lenses for 5 or 6 months, and during this time, I haven't replaced the solution either. They've just been sitting there. Can I still wear them now? Is it a good idea to take them to an optical shop for...
Dr. Zhang Yanrui reply Ophthalmology
Hello: This is a very inappropriate way to care for contact lenses. Leaving contact lenses stored for over a week is quite dangerous, as it essentially fosters bacterial growth. They need to be thoroughly cleaned before wearing them again. Daily wear and daily cleaning is much cl...[Read More] Can I Still Wear My Contact Lenses After Months of Inactivity?
Understanding Floaters and Retinal Detachment: Your Concerns Addressed
Regarding floaters? Dear Dr. Chang, I have myopia exceeding 1000 degrees. I experience floaters in my left eye, and my right eye has undergone laser treatment due to a retinal tear. Occasionally, I see 1 to 2 small black or white spots in my right eye, but my doctor has assured ...
Dr. Zhang Yanrui reply Ophthalmology
Please cherish our online medical resources. When asking the same question, please specify only one physician or dietitian.[Read More] Understanding Floaters and Retinal Detachment: Your Concerns Addressed
Understanding High Myopia: Challenges in Treatment and Care
High myopia Hello: My mother is a severe myopic patient with a prescription exceeding 1000 degrees and has mild cataracts. She has visited public hospitals multiple times, and each time she is told to come back next week for eye drops. Eventually, a doctor finally mentioned sched...
Dr. Zhang Yanrui reply Ophthalmology
When undergoing cataract surgery, it is essential to implant an artificial intraocular lens (IOL). Typically, the operating room will have commonly used IOLs available, so there is no need for special ordering. However, for patients with high myopia, specialized IOLs may need to ...[Read More] Understanding High Myopia: Challenges in Treatment and Care
Understanding Aspheric Intraocular Lenses for Cataract Surgery Options
Aspheric intraocular lens (1) In addition to phacoemulsification with small incisions, I heard there is a method that uses a water jet to emulsify the cloudy lens. Which hospitals offer this type of surgery? (2) After reviewing the online Q&A, I still don't understand if...
Dr. Zhang Yanrui reply Ophthalmology
After cataract surgery, it is essential to implant an artificial intraocular lens (IOL) because the natural lens is removed. Without the artificial lens, the patient would experience extreme hyperopia, up to +2000 diopters, making it impossible to see clearly. As for which type o...[Read More] Understanding Aspheric Intraocular Lenses for Cataract Surgery Options
Choosing the Right Contact Lenses: Low vs. High Water Content
Contact lenses I recently bought a new pair of contact lenses, but I feel a warm sensation when wearing them. What could be the reason for this? When wearing contact lenses, I experience some dryness, redness, or an unusual feeling, especially after wearing them for a long time. ...
Dr. Zhang Yanrui reply Ophthalmology
Hello: Experiencing a burning sensation while wearing contact lenses may indicate an allergic reaction to the solution or the lens material. It is advisable to consult an ophthalmologist to assess the severity of the allergy. High water content lenses have better oxygen permeabil...[Read More] Choosing the Right Contact Lenses: Low vs. High Water Content
Unexplained Eye Symptoms After MRI: Understanding Potential Causes
Abnormal findings after magnetic resonance imaging (MRI) examination? I experienced sudden pain behind my right eye for a few seconds. After waking up, I found that I couldn't see the right half of my right eye. When looking at objects with both eyes, they appeared smaller. ...
Dr. Zhang Yanrui reply Ophthalmology
Hello: Your condition is very similar to optic neuritis associated with multiple sclerosis. Please seek an appointment with a neuro-ophthalmologist immediately, as there is a possibility of recurrence! When you visit, please bring a copy of your MRI and the report; abnormalities ...[Read More] Unexplained Eye Symptoms After MRI: Understanding Potential Causes
How to Address Vision Issues from Conjunctivitis to Keratitis?
If conjunctivitis progresses to keratitis, resulting in corneal opacities that severely affect vision, what should be done? After conjunctivitis has progressed to keratitis, resulting in numerous white spots on the cornea that severely affect vision, what should I do? Everything ...
Dr. Zhang Yanrui reply Ophthalmology
Hello: Your symptoms are very similar to viral epidemic keratoconjunctivitis, which typically is not as severe as what you are experiencing; however, it usually resolves over several years. Sometimes, a small amount of steroid eye drops can be used to reduce corneal opacities, bu...[Read More] How to Address Vision Issues from Conjunctivitis to Keratitis?