Understanding Laser Surgery for Artificial Lens Clouding in Ophthalmology
Capsulotomy with laser for intraocular lens? Dr. Feng, I apologize for bothering you again. I previously inquired about the laser surgery mentioned in the title and would like to ask again: (1) If it is an artificial lens, how can there still be issues with opacification? (2) If ...
Dr. Feng Jiefan reply Ophthalmology
Hello: 1. The clouding occurs in the posterior capsule of the human lens, not in the artificial lens itself. 2. Replacement is not an easy procedure. Thank you for your question. Wishing you health and safety. Ophthalmologist - Dr. Feng Chieh-Fan[Read More] Understanding Laser Surgery for Artificial Lens Clouding in Ophthalmology
Understanding Laser Surgery for Vision Clarity in Elderly Patients
Laser eye surgery Dear Dr. Feng, My mother is 83 years old and has undergone cataract surgery in both eyes. Three years ago, she had a stroke in one eye and currently relies on her other eye for vision. Recently, she has noticed that the vision in her remaining eye has been grad...
Dr. Feng Jiefan reply Ophthalmology
Hello: It appears that you are referring to a capsulotomy laser surgery performed after cataract surgery. This procedure is primarily conducted for patients who experience opacification of the intraocular lens following cataract surgery, with the aim of improving vision. The risk...[Read More] Understanding Laser Surgery for Vision Clarity in Elderly Patients
Does Intense Exercise Worsen Cataracts and Floaters?
Cataract and intense exercise? Hello, doctor. I have symptoms of cataracts, specifically seeing a layer that looks like a spider web. I also experience some floaters when I play basketball. I would like to know if engaging in intense exercise, such as playing basketball, could fu...
Dr. Feng Jiefan reply Ophthalmology
Hello: Cataracts and floaters are two different conditions, both of which can cause opaque objects to be seen in the left visual field. Cataracts may worsen due to exposure to sunlight, while vigorous exercise, as long as there is no ocular trauma, will not have an impact. Wishin...[Read More] Does Intense Exercise Worsen Cataracts and Floaters?
Understanding Visual Impairment: What Does 16-20 dB Mean for Daily Life?
Visual impairment - physical and mental disabilities In the context of visual impairment, "db" refers to decibels, which is a unit of measurement used to quantify the level of visual acuity loss. A visual acuity of 16 to 20 decibels indicates moderate visual impairment....
Dr. Feng Jiefan reply Ophthalmology
Hello: What you are asking about should refer to the standards for visual impairment, one of which pertains to visual field defects. Decibels (dB) are the units used to measure visual field loss. If you have questions regarding this matter, you can submit a request for evaluation...[Read More] Understanding Visual Impairment: What Does 16-20 dB Mean for Daily Life?
Understanding Post-Acute Conjunctivitis Complications and Treatment Options
Post-acute conjunctivitis sequelae After experiencing acute conjunctivitis in the left eye at the end of last year, my vision has become increasingly blurred. The doctor mentioned there are sequelae (leukoma), but it has not improved after six months. It gets better with some eye...
Dr. Feng Jiefan reply Ophthalmology
Hello: Most patients with acute conjunctivitis will recover, but a small number may experience complications such as corneal opacities, which can affect vision but can be managed with medication. Herpetic keratitis may also present with symptoms such as corneal erosion or scarrin...[Read More] Understanding Post-Acute Conjunctivitis Complications and Treatment Options
Understanding the Side Effects of Atropine Eye Drops for Myopia
Side effects of atropine? Hello, does ATROPINE eye drops for myopia have any side effects?
Dr. Feng Jiefan reply Ophthalmology
Common effects of atropine include relaxation of the ciliary muscle, making it more difficult for patients to focus, which can lead to inconvenience in near vision. Additionally, it causes pupil dilation, resulting in increased sensitivity to light, so proper sun protection is ad...[Read More] Understanding the Side Effects of Atropine Eye Drops for Myopia
Understanding Mydriatic Agents: Effects on Eye Health and Vision
Regarding mydriatics? Hello Doctor: I am currently 34 years old. My left and right eyes have myopia of -250 and -275, respectively, with astigmatism of -1.25 and -1.00. Recently, I visited a clinic due to eye fatigue, and the doctor prescribed a short-acting dilating agent, which...
Dr. Feng Jiefan reply Ophthalmology
1. The symptoms of glaucoma are quite diverse, and it is necessary to have data from intraocular pressure measurements, fundus examinations, and visual field tests to make a diagnosis. If there are any doubts, one should consult a physician for an examination. 2. Mydriatic agen...[Read More] Understanding Mydriatic Agents: Effects on Eye Health and Vision
Managing Conjunctival Macula: Eye Care Tips for Pregnant Women
Conjunctival macula I have conjunctival pingueculae on both sides of my eyes, which often leads to inflammation, requiring me to use eye drops. My doctor diagnosed me with dry eye syndrome and allergic conjunctivitis, but these conditions developed after the pingueculae appeared....
Dr. Feng Jiefan reply Ophthalmology
Conjunctival pigment spots and dry eye syndrome are not directly related to allergic conjunctivitis. The disappearance of pigment spots is not associated with pregnancy or red eyes, so there is no need to eliminate the pigment spots for that reason. The medications you are using ...[Read More] Managing Conjunctival Macula: Eye Care Tips for Pregnant Women
Is My Eye Injured? Understanding Discomfort with Contact Lenses
Is this an injury? Hello, doctor. Recently, when I put on my contact lenses, I feel a bit of a stinging sensation and have some minor eye discharge, but it gets better after I use artificial tears. This is how it feels after putting them on, but last night after I took off my con...
Dr. Feng Jiefan reply Ophthalmology
According to article #25933, it is likely a case of corneal epithelial erosion. Please have an ophthalmologist examine it and provide treatment based on the condition to improve the symptoms. Wishing you health and safety. Ophthalmologist: Feng Chieh-Fan.[Read More] Is My Eye Injured? Understanding Discomfort with Contact Lenses
Swollen Inner Corner of Eye: Is It an Infection?
Swelling at the inner corner of the eye? Hello doctor, I recently started wearing contact lenses this week. Today, when I put them on, I noticed that the inner corner of my right eye (there seems to be a small red bump, but I'm not sure how to describe it) appears to be swol...
Dr. Feng Jiefan reply Ophthalmology
Based on your description, the tissue you observed appears to be normal eyelid tissue, but it is swollen; therefore, it looks more pronounced than usual. The cause of the swelling is often external stimuli, including rubbing the eyes, foreign objects, or medications. If there is ...[Read More] Swollen Inner Corner of Eye: Is It an Infection?
Persistent Red Eye for a Month: Causes and Solutions Explained
Red eyes persisting for one month? Hello, doctor. I have a question. My left eye has been persistently red for about a month, and the redness occurs at irregular times, but it is always red when I wake up! (However, I don't press on it while sleeping.) Sometimes, when I look...
Dr. Feng Jiefan reply Ophthalmology
Hello: Based on the description, it appears to be localized vascular proliferation or dilation, which could be due to local irritation or inflammation. It is advisable to consult an ophthalmologist for a detailed discussion and examination.[Read More] Persistent Red Eye for a Month: Causes and Solutions Explained
Understanding Eye Strain: Why Is One Eye Hard to Open?
What is the issue of being unable to open the eyes? Hello Doctor, my left eye has been having trouble opening fully compared to my right eye. It feels like I have to exert more effort to fully open it, and if I don't, it feels like my left eye wants to close on its own, maki...
Dr. Feng Jiefan reply Ophthalmology
Dear Sir/Madam: If there is a discrepancy in the distance between the two eyes, it may be necessary to check for thyroid eye disease, myasthenia gravis, or diseases affecting the eyelids or eyeballs. Please visit an ophthalmology clinic for examination. Sincerely, Dr. Feng Chieh-...[Read More] Understanding Eye Strain: Why Is One Eye Hard to Open?
Painful Left Eye Bag: Discomfort with Contact Lenses Explained
Left eye bags? There is pain when pressing on the area of the eye bag on the left eye, and wearing contact lenses also causes pain, making it difficult to put them on at times.
Dr. Feng Jiefan reply Ophthalmology
The tissue near the left eye bag includes the eyelid and conjunctiva, raising the possibility of blepharitis or conjunctivitis. Issues related to contact lenses should consider keratitis or tear film disorders. It is recommended to consult an ophthalmologist for examination.[Read More] Painful Left Eye Bag: Discomfort with Contact Lenses Explained
Is My Eye Pain from Contact Lenses a Serious Concern?
Is it very serious? Hello, doctor. I have recently started wearing contact lenses for about three months, but in the past few days, I have been experiencing pain in my eyes and difficulty opening them, requiring significant effort to do so. Could this be fatigue, or is there an u...
Dr. Feng Jiefan reply Ophthalmology
Please seek an ophthalmologist for an examination as soon as possible and discontinue wearing contact lenses. There may be damage or infection to the cornea, which requires evaluation to confirm the diagnosis and initiate treatment.[Read More] Is My Eye Pain from Contact Lenses a Serious Concern?
Persistent Eye Symptoms: Seeking Answers Beyond Dry Eye Diagnosis
Ocular symptoms have not improved for a long time (details inside)? Hello, doctor. I have a disparity in my vision; my right eye has normal vision, while my left eye has approximately -150 degrees of myopia. I have been wearing glasses for about two and a half years. A while ago,...
Dr. Feng Jiefan reply Ophthalmology
Hello: The symptoms of dry eye syndrome are very diverse, and the primary goal of treatment is to control symptoms and improve the patient's quality of life, aiming to achieve the greatest symptom relief with the simplest medication regimen. Preservatives in medications are ...[Read More] Persistent Eye Symptoms: Seeking Answers Beyond Dry Eye Diagnosis
Understanding Chronic Conjunctivitis: Symptoms, Concerns, and Relief
Eye pain with photophobia? Hello, two weeks ago I visited a doctor due to a stabbing pain in my right eye, which was diagnosed as mild conjunctivitis. A few days later, my left eye exhibited the same symptoms, including itching and pain, along with a feeling of pressure that made...
Dr. Feng Jiefan reply Ophthalmology
Hello: The main symptoms based on the patient's complaints are itching and pain in both eyes, pressure sensation, photophobia, and headache. These symptoms are common in general ophthalmology and require clinical examination for diagnosis. It is recommended to consult an oph...[Read More] Understanding Chronic Conjunctivitis: Symptoms, Concerns, and Relief
Persistent Red Eyes: Understanding Dry Eye Syndrome and Treatment Options
Bloodshot eyes, dry eyes? Hello Doctor: My eyes have been persistently red with bloodshot veins for the past four to five months. This condition is continuous, lasting 24 hours a day, and it seems to be getting worse. I have seen many doctors, and the diagnoses have included dry ...
Dr. Feng Jiefan reply Ophthalmology
Hello: Based on the symptoms described, the physician's diagnoses such as dry eye syndrome and allergic conjunctivitis are possible. It is recommended that you consult an ophthalmologist to discuss your daily habits and eye usage in detail with the doctor. Careful use of med...[Read More] Persistent Red Eyes: Understanding Dry Eye Syndrome and Treatment Options
Understanding Glare in Vision: Causes, Degrees, and Treatment Options
Flash Hello Dr. Feng: When I go to get my glasses, I often hear about the degree of myopia and the degree of astigmatism. Could you please explain what astigmatism is? Is there a way to treat it? Thank you.
Dr. Feng Jiefan reply Ophthalmology
Hello: The term "flash" should be corrected to "astigmatism." It refers to the refractive power measured by the phoropter, which includes degrees of myopia, hyperopia, and astigmatism. Each type of refractive error can affect the clarity of vision, and correct...[Read More] Understanding Glare in Vision: Causes, Degrees, and Treatment Options
Understanding Eye Redness: Is It Just Conjunctivitis?
Bloodshot eyes Hello Doctor: Recently, every time I wear contact lenses, my eyes develop bloodshot streaks, making the boundary between my pupil and the sclera appear blurred with blood vessels. The last time I visited a doctor, they diagnosed me with mild conjunctivitis and pres...
Dr. Feng Jiefan reply Ophthalmology
In response to your statement, allergic conjunctivitis caused by contact lenses can improve with the cessation of contact lens use and the application of anti-inflammatory eye drops. However, there is a tendency for recurrence upon resuming contact lens wear, and it may be necess...[Read More] Understanding Eye Redness: Is It Just Conjunctivitis?
Managing Recurring Dry Eye Symptoms: Causes and Solutions
Recurrence of dry eye syndrome? I apply moisturizing ointment before bed, but sometimes my eyes still become so dry that the cornea gets scratched (causing pain and redness). It seems to improve for a while but then relapses. Is this related to the seasons? How can I improve this...
Dr. Feng Jiefan reply Ophthalmology
Hello: The dryness of the eyes in dry eye syndrome is related to factors such as season, moisture, humidity, and environmental conditions. The use of fans or air conditioning can also affect the level of dryness in the eyes. Discussing daily habits in detail with a physician may ...[Read More] Managing Recurring Dry Eye Symptoms: Causes and Solutions