Understanding Halos: Causes and Concerns Beyond Glaucoma
Rainbow vision problems Hello, doctor. A few days ago, I asked you about the issue of halos, but I don't think it's conjunctivitis or keratitis, and I haven't been wearing contact lenses. I've experienced halos for the past two years, during which my intraocul...
Dr. Gao Pilin Reply:
Hello: As I mentioned last time, the halos seen in glaucoma are caused by elevated intraocular pressure leading to corneal edema. At this time, the eyes may feel swollen. Any condition that causes corneal edema can result in halos, such as corneal hypoxia, corneal epithelial defe...[Read More] Understanding Halos: Causes and Concerns Beyond Glaucoma
Understanding Eye Symptoms: Blurry Vision, Flickering, and Fatigue Relief
Screen tremor? Dear Dr. Gao, Thank you for your previous response; it has indeed put my mind at ease. However, I still have a few symptoms that I would like to clarify with you: 1. When I blink, the image always seems to shake slightly, as if the eyelid is lifting the cornea an...
Dr. Gao Pilin Reply:
Hello, Hui: 1. When blinking, the eyeball moves up and down, which may cause this phenomenon. 2. I cannot speculate on the cause of this. It would be advisable to check and see if a visual field test is necessary. 3. From the perspective of Traditional Chinese Medicine, it should...[Read More] Understanding Eye Symptoms: Blurry Vision, Flickering, and Fatigue Relief
Understanding Vision Issues After LASIK: When Glasses Don't Help
Unable to fit glasses? A patient who underwent laser surgery for myopia 20 years ago recently experienced difficulty achieving better than 0.8 visual acuity with corrective lenses, despite having a prescription of -1.75 diopters and -0.50 astigmatism. The patient reports that eve...
Dr. Gao Pilin Reply:
Hello, Ah Xiang: Everyone's vision is different; vision is a manifestation of ability and does not have a direct correlation with refractive error measurements. This means that if someone has a visual acuity of 0.8, no matter how they are corrected, the best they can achieve...[Read More] Understanding Vision Issues After LASIK: When Glasses Don't Help
Understanding Recurrent Corneal Erosion and Vision Issues
Recurrent corneal erosion with blurred vision? Hello, Doctor. In early December, I woke up suddenly feeling a sharp pain in my eye. I went to a local hospital and was diagnosed with a corneal abrasion. After using eye drops and ointment for a week, the pain subsided. I then went ...
Dr. Gao Pilin Reply:
Hello Lily: 1. If the cornea heals properly, it is possible for vision to recover. However, if there has been an injury, it may have an impact. If you experience stinging upon waking, it is best to apply artificial tears before opening your eyes to prevent the cornea from stick...[Read More] Understanding Recurrent Corneal Erosion and Vision Issues
Understanding Eye Floaters: What Those Morning Black Spots Mean
Black spots in the eyes? Hello doctor, when I wake up in the morning, I often see small black dots, like sesame seeds, in both eyes. However, when I close my eyes and rest, then open them again, the dots disappear. I would like to ask if this is related to floaters? (It only happ...
Dr. Gao Pilin Reply:
Hello: It is very likely to be floaters. It could also be secretions on the cornea.[Read More] Understanding Eye Floaters: What Those Morning Black Spots Mean
Can High Astigmatism Be Corrected to 1.0 Vision?
High astigmatism? I would like to ask the doctor if high astigmatism makes it impossible to correct vision to 1.0. My vision is right eye 400/350 and left eye 450/325. Can early-stage keratoconus be detected using a corneal topographer? Besides congenital reasons, what other fact...
Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic to see if any relevant examinations are needed. Thank you, and wish you good health![Read More] Can High Astigmatism Be Corrected to 1.0 Vision?
Understanding and Treating Arc Eye: A Guide for Welders
Treatment of photokeratitis? Hello Doctor: My father has been working in the welding profession for many years, and over time, his eyes have suffered damage from the welding arc. At night, he has difficulty opening his eyes or experiences tearing. He believes this is a work-relat...
Dr. Gao Pilin Reply:
Hello Ms. Cheng: 1. Most general ophthalmology clinics can provide treatment. 2. It is advisable for the doctor to prescribe medication for your father; sometimes, keeping the eye bandaged for a day allows the corneal epithelium to regenerate, which can alleviate the symptoms.[Read More] Understanding and Treating Arc Eye: A Guide for Welders
Trusting a Resident for Retinal Laser Treatment: What You Need to Know
Retinal laser therapy The situation is as follows: I went to a large medical center for a fundus examination, and a few days ago, I had laser treatment at a clinic. At the medical center, the doctor mentioned that the previous clinic had performed most of the treatment, but there...
Dr. Gao Pilin Reply:
Hello Mr. Chen: 1. It is not possible to determine a physician's specialty based solely on their attire. Doctors in short coats are not necessarily residents; many specialists also wear short coats, as I do. 2. There are new types of retinal lasers that do not contact the co...[Read More] Trusting a Resident for Retinal Laser Treatment: What You Need to Know
Understanding Eye Exams and Managing Dry Eye Symptoms
Fundus examination and dry eye syndrome? Hello, doctor. Thank you for patiently answering my questions several times. I would like to ask you about the eye examination. Is it normal to feel discomfort from the light used by the doctor during the fundus examination (or the light f...
Dr. Gao Pilin Reply:
Hello Su: It is normal to experience such reactions after light therapy, so there is no need to worry. Dry eye syndrome is currently a challenging condition to treat and usually requires long-term use of medication. Using preservative-free artificial tears may be more beneficial,...[Read More] Understanding Eye Exams and Managing Dry Eye Symptoms
Seeing Colorful Halos Around Lights at Night: Is It Glaucoma?
Seeing colored halos around streetlights at night? Hello Doctor: One night last week, while looking at an LED streetlight, I suddenly saw a ring of colorful halos around it. When I looked at the traffic lights, the halos around the red and green lights also appeared particularly ...
Dr. Gao Pilin Reply:
Hello Miao: There are many reasons that can cause halos. The halos you are referring to are likely related to the phenomenon of dispersion, which typically occurs when the corneal hydration level increases. A common condition associated with this phenomenon is acute glaucoma. How...[Read More] Seeing Colorful Halos Around Lights at Night: Is It Glaucoma?
Understanding Corneal Opacity: Causes of Blurred Vision in One Eye
Corneal leukoma with monocular blurred vision? Hello Doctor, I have been experiencing blurred vision in my left eye, so I went to the clinic for an examination. The doctor mentioned that I had a corneal abrasion in my left eye a few years ago, and currently, there is a leukoma pr...
Dr. Liang Ce Reply:
We recommend that you discuss the above situation with your attending physician to determine if further examinations are necessary. Thank you, and wish you good health![Read More] Understanding Corneal Opacity: Causes of Blurred Vision in One Eye
Understanding Eye Pressure and Corneal Thickness: Key Insights for Patients
Regarding intraocular pressure and corneal thickness? Hello Doctor, my intraocular pressure has been consistently high, around 22 to 23 mmHg. Recently, I went to the hospital for an examination, and they told me that my corneal thickness is 640 micrometers, and my actual intraocu...
Dr. Gao Pilin Reply:
Hello Mr. Huang: According to this table, the calculated intraocular pressure is as you have calculated, but the physician's results may involve a different method of calculation, which you may need to inquire about. However, as long as it remains within the normal range, yo...[Read More] Understanding Eye Pressure and Corneal Thickness: Key Insights for Patients
Red Veins in Eye After Wearing Contact Lenses: Should I Be Concerned?
Bloodshot eyes while wearing contact lenses? Hello doctor, I haven't worn contact lenses for about six months. Yesterday, I wore them for over 12 hours, and when I got home, I noticed that the outer part of the sclera in my left eye was filled with radiating red blood vessel...
Dr. He Jianxian Reply:
The recommended wearing time for contact lenses is within 8 hours. Exceeding this duration can lead to increased hypoxia in the cornea as the wearing time increases. Consequently, after removing the contact lenses, there may be surface congestion due to hypoxic irritation, which ...[Read More] Red Veins in Eye After Wearing Contact Lenses: Should I Be Concerned?
Essential Eye Exams for Managing Glare Issues: What You Need to Know
Glare issues I would like to inquire about the tests that can be conducted for issues related to glare in the eyes. Currently, I wear progressive lenses and a wide-brimmed hat, but polarized light and unblocked sunlight still make my eyes very uncomfortable. I am considering gett...
Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic for an examination by a physician, who will determine if any further tests are necessary. Thank you, and wishing you good health![Read More] Essential Eye Exams for Managing Glare Issues: What You Need to Know
Can Laser Surgery Cause Severe Dry Eyes? Understanding Post-Procedure Symptoms
Retinal tear In September, I paid for a dry eye examination, where my tear production was measured at 17 for the left eye and 7 for the right eye. There was evidence of meibomian gland obstruction, and the lipid layer was approximately 35. The doctor advised me to apply warm comp...
Dr. Gao Pilin Reply:
Hello Mr. Wang: The laser treatment is performed on the retina, so it is unrelated to dry eye. There are treatment options for dry eye syndrome. Please refer to: https://reurl.cc/EZdQ4v and consider consulting the ophthalmology department at a teaching hospital.[Read More] Can Laser Surgery Cause Severe Dry Eyes? Understanding Post-Procedure Symptoms
Understanding Eye Pressure and Visual Field Tests: What to Expect
Intraocular pressure and visual field examination? During my visit to the ophthalmology clinic, I was diagnosed with elevated intraocular pressure for the first time: 26.7 mmHg in the left eye and 33 mmHg in the right eye. In the second, third, and fourth visits, my left eye pres...
Dr. Gao Pilin Reply:
Hello, Huahua: Generally speaking, if necessary, the physician will arrange for you to have an examination. A visual field test is not typically performed on the spot; it requires scheduling an appointment. Therefore, I recommend that you first make an appointment with a glaucoma...[Read More] Understanding Eye Pressure and Visual Field Tests: What to Expect
Should You Get an Eye Exam if Glasses Don't Improve Vision?
Issues with prescription strength after wearing glasses? Hello, doctor. I would like to ask if my vision cannot reach 1.0 even after wearing glasses, should I go to the hospital for an examination or should I find another optical store for a new prescription? I recall that since ...
Dr. Gao Pilin Reply:
Hello: Amblyopia may not improve to 0.8 even with glasses, as there are many factors that can lead to poor vision. Issues with the cornea, lens, retina, or optic nerve can all contribute to suboptimal vision despite wearing glasses. It is recommended that you visit an ophthalmolo...[Read More] Should You Get an Eye Exam if Glasses Don't Improve Vision?
Managing High Eye Pressure During Pregnancy: Key Considerations
Key medications for managing high intraocular pressure during preconception and pregnancy? Hello, Doctor: Due to high myopia around -9.00 diopters and corneal thickness of 550-560 micrometers, OCT and visual field examinations are normal. I have been regularly monitoring my eye p...
Dr. He Jianxian Reply:
The safety of this medication for pregnant women has not yet been fully established. Therefore, if you are planning to become pregnant, it is recommended to avoid using this medication during pregnancy and breastfeeding, as advised by the OCT and visual field examinations. This i...[Read More] Managing High Eye Pressure During Pregnancy: Key Considerations
Can Rigid Gas Permeable Lenses Control Astigmatism After LASIK?
Can astigmatism be controlled with rigid gas permeable contact lenses (orthokeratology lenses)? I underwent SMILE refractive surgery for my myopia in April of this year. Before the surgery, I had astigmatism of 100 degrees in both eyes. After the surgery, one eye had residual ast...
Dr. Gao Pilin Reply:
Hello, after laser surgery, the cornea is different from a normal cornea. It may be possible to rely on corneal reshaping, but it might be necessary to try it out to see the results. Please consult your attending physician for testing.[Read More] Can Rigid Gas Permeable Lenses Control Astigmatism After LASIK?
Understanding Rainbow Vision: Is It a Sign of Glaucoma?
Rainbow vision issues Hello, Director Gao. Over the past year, I have noticed that when I look at streetlights (and recently even ordinary lights), I see rainbow halos around them. At the same time, I find the light very glaring, and if I look for one to two seconds, I experience...
Dr. Gao Pilin Reply:
Hello, concerned individual: Halos are a phenomenon associated with glaucoma, often due to corneal edema; however, the presence of halos does not necessarily indicate glaucoma. If there is no unusual eye pain or blurred vision, there is no need to visit the emergency room; follow...[Read More] Understanding Rainbow Vision: Is It a Sign of Glaucoma?