Managing Glaucoma: Alternatives to Eye Drops and Light Sensitivity Solutions
Glaucoma Hello Dr. Liu: My father has glaucoma and is currently on medication to manage it. The issue is that after using the eye drops, he experiences photophobia, which causes him to spend most of the day lying in bed and sleeping. When we encourage him to exercise, he says he ...
Dr. Liu Jingxian Reply:
Hello, Sir: If a patient has been diagnosed with "glaucoma," they should undergo regular intraocular pressure control, typically achieved through the use of intraocular pressure-lowering eye drops to stabilize the pressure. If multiple types of eye drops do not achieve ...[Read More] Managing Glaucoma: Alternatives to Eye Drops and Light Sensitivity Solutions
Understanding Astigmatism and Dry Eye Syndrome: Treatment Options and Risks
Astigmatism and Dry Eye Syndrome Hello, doctor. During my health check-up, the physician informed me that I have dry eye syndrome, and I have astigmatism and myopia in both eyes. I have never worn contact lenses, only glasses for myopia, and I have not corrected my astigmatism. I...
Dr. Feng Jiefan Reply:
Dear Ms. Wu, There are many treatment options for dry eye syndrome, and artificial tears are one of the supplemental therapies that can be combined with other treatments. Artificial tears are safe to use according to the recommended frequency. If you still experience symptoms of...[Read More] Understanding Astigmatism and Dry Eye Syndrome: Treatment Options and Risks
Understanding Corneal Edema in Children: Causes, Risks, and Recovery
Corneal edema Hello, doctor: A 5-year-old child was accidentally shot in the eye with a BB gun while playing in the park last week, resulting in corneal edema, with the swollen area covering about 1/4 of the pupil and vision approximately 0.4. There is also epithelial tissue loss...
Dr. Liu Jingxian Reply:
Hello, Miss: The powerful impact of a BB pellet can cause varying degrees of eye injury. Generally, external trauma to the eyeball can lead to serious conditions such as corneal laceration, scleral laceration (or both), hyphema, traumatic cataract, vitreous hemorrhage, traumatic ...[Read More] Understanding Corneal Edema in Children: Causes, Risks, and Recovery
Understanding Wavefront Laser Surgery vs. Traditional PRK and LASIK
Ophthalmic laser surgery Is there a difference between the physician-led wavefront laser and traditional PRK and LASIK surgeries? I currently have myopia of -6.50 diopters and astigmatism of -1.50 diopters. If I undergo laser vision correction, will I end up with hyperopia? Will ...
Dr. Cai Jingyao Reply:
The leading wave laser differs from traditional lasers in its more precise and comprehensive calculation of corneal refractive values, making it suitable for high myopia and astigmatism. Postoperative residual refractive error and glare vary from person to person, and whether the...[Read More] Understanding Wavefront Laser Surgery vs. Traditional PRK and LASIK
Understanding Corneal Flaps: Symptoms, Risks, and Recovery After Eye Surgery
Corneal pannus Hello Dr. Tsai: I would like to ask if the corneal flap only covers the eyeball or if it also includes part of the sclera? After undergoing myopia surgery, how can one be cautious about the displacement of the corneal flap? What are the signs that indicate the corn...
Dr. Cai Jingyao Reply:
Is the corneal flap only covering the eyeball, or does it include part of the sclera? Answer: It covers the cornea (the central black part of the eye, not on the sclera). After undergoing myopia surgery, one must be cautious of the dislocation of the corneal flap. How can one det...[Read More] Understanding Corneal Flaps: Symptoms, Risks, and Recovery After Eye Surgery
Post-LASIK Recovery: Common Concerns and Eye Health Tips
Post-LASIK complications? Hello, doctor: After undergoing LASIK surgery, how long does it take for the corneal flap to fully heal, and when can I get my eyes wet or rub them? If there are small, water-like bumps on the eyelids and if I stay up late, will this affect my vision lat...
Dr. Zhang Yanrui Reply:
Hello: After LASIK surgery, the interface between the corneal flap and the bed will never completely heal, but this will not affect visual function or cause discomfort, so there is no need to worry. As for the corneal epithelium, it typically heals completely within three days. A...[Read More] Post-LASIK Recovery: Common Concerns and Eye Health Tips
Understanding Red Veins in the Eyes: Causes and Contact Lens Concerns
Blood vessels in the sclera? Hello, I have been wearing bi-weekly contact lenses for six months. I heard that prolonged use of contact lenses can lead to neovascularization. I have also noticed blood vessels in the sclera and even around the cornea. Could this be neovascularizati...
Dr. Zhang Yanrui Reply:
The so-called neovascularization caused by contact lenses occurs on the cornea, which is the surface of the iris, and cannot be seen without an ophthalmic microscope. What you are observing are the blood vessels on the conjunctiva; normally, there are many small conjunctival bloo...[Read More] Understanding Red Veins in the Eyes: Causes and Contact Lens Concerns
Understanding Inward Eyelash Issues: Treatment Options and Insurance Coverage
Regarding the issue of ingrown eyelashes? Dear Dr. Hu, I recently experienced eye pain with a sensation of a foreign body and persistent tearing. After an examination at an ophthalmology clinic, it was found that there is a wound on my cornea, along with an ingrown eyelash pheno...
Dr. Hu Yusheng Reply:
Hello Mr. Huang: The eyelid surgery required for issues such as trichiasis or entropion that cause corneal problems is covered by health insurance and can be performed in both hospitals and clinics. If you have any concerns, the physician can provide pre-operative photographs. It...[Read More] Understanding Inward Eyelash Issues: Treatment Options and Insurance Coverage
Understanding LASIK: Precision, Recovery, and Post-Operative Care
Regarding LASIK? Hello Dr. Feng, I would like to ask if the degree of myopia can be measured very accurately during laser eye surgery. Is the measurement done automatically by the equipment and laser, or is it manually operated to determine the degree? For example, if the initi...
Dr. Feng Jiefan Reply:
Hello: The accuracy of laser vision correction has improved with advancements in technology, and the current level of precision is satisfactory. The amount of correction needed must be confirmed multiple times by the physician before the procedure. It is not determined by the mac...[Read More] Understanding LASIK: Precision, Recovery, and Post-Operative Care
Understanding Rigid Gas Permeable Contact Lenses for High Myopia
Rigid gas permeable contact lenses Hello Doctor: I have a myopia of 800 degrees. A few days ago, I went to an optical shop to get glasses, and they told me that my eyes are very demanding on vision and will continue to deteriorate. Therefore, they recommended that I wear rigid ga...
Dr. Zhang Yanrui Reply:
Hello: If you are over the age of 25, your vision is unlikely to change significantly unless there are some special pathological conditions. The advantage of orthokeratology lenses is that you do not need to wear contact lenses during the day, but if you stop wearing them for a w...[Read More] Understanding Rigid Gas Permeable Contact Lenses for High Myopia
Understanding Eye Membrane Issues: Causes, Symptoms, and Solutions
There is a membrane rising on the eye? Hello, this afternoon I noticed a foreign body sensation in my eye. Upon closer inspection, I found that the membrane on the surface of my eyeball near the inner corner has lifted and has wrinkles. This has happened before, but it resolved a...
Dr. Feng Jiefan Reply:
Hello: Based on the description, the phenomenon is conjunctival edema, which is caused by external stimuli leading to the accumulation of extracellular fluid, making the conjunctiva appear swollen. Generally, resting and avoiding further irritation can help restore it to normal. ...[Read More] Understanding Eye Membrane Issues: Causes, Symptoms, and Solutions
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:
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 LASIK Surgery: Post-Op Vision and Recovery Insights
Regarding excimer laser surgery for myopia? Hello, Doctor: I would like to ask if the vision correction achieved after LASIK surgery is typically evident the day after the procedure. My prescription was -3.00 and -3.25 diopters, and the day after surgery, my left eye was 20/20 an...
Dr. Cai Jingyao Reply:
The visual acuity observed the next day is only a temporary presenting visual acuity; without refractive correction, it should not be considered as corrected visual acuity. Postoperative evaluation should include not only visual acuity but also the remaining refractive values (i....[Read More] Understanding LASIK Surgery: Post-Op Vision and Recovery Insights
Black Spots on a Child's Eye: Causes and Treatment Options
Black spots on the sclera? Hello, I would like to inquire about the issue of black spots on the sclera of a child. (1) Child's age: Currently 3 years and 3 months, male. (2) Description of the eye condition: 1) Since birth, there has been a small black spot on the scle...
Dr. Liu Jingxian Reply:
Hello, Miss: A stye, or hordeolum, refers to a localized blockage of the sebaceous glands in the eyelid, accompanied by an overgrowth of local bacteria. Possible causes include the degeneration of secreted oils, a predisposition to oily skin, and the common occurrence of oil accu...[Read More] Black Spots on a Child's Eye: Causes and Treatment Options
Understanding Uncontrollable Tear Flow: Causes and Treatments
Frequent tearing of the eyes? Hello Dr. Feng, I would like to ask you about my eyes. They often feel fatigued and dry (I understand this is due to insufficient rest), but recently, in addition to that, I have been experiencing uncontrollable tearing. What could be the reason for ...
Dr. Feng Jiefan Reply:
Hello: The corneal epithelium requires moisture from tears to maintain health and vision. When the eyes are used for extended periods or in patients with dry eye syndrome who do not have sufficient tears, the corneal epithelium can become damaged and eroded. At this point, there ...[Read More] Understanding Uncontrollable Tear Flow: Causes and Treatments
Understanding Eye Hemorrhage: Causes, Symptoms, and When to See a Doctor
Ocular hemorrhage This morning, I noticed a patch of blood on the white part of my right eye above the eyeball. I'm not sure what caused it, and it doesn't hurt or feel uncomfortable; I discovered it by chance. Will this cause any harm to my eye? Should I see an ophthal...
Dr. Liu Jingxian Reply:
Hello, Miss: Red eyes are a common issue encountered in ophthalmology, with symptoms ranging from mild to severe. Common conditions include "acute conjunctivitis (caused by bacteria or viruses)." In addition, allergic conjunctivitis, acute glaucoma, corneal epithelial d...[Read More] Understanding Eye Hemorrhage: Causes, Symptoms, and When to See a Doctor
Small White Dot on the Eye: Is It a Growth or Stubborn Dirt?
There is suddenly a very small white dot protruding on the sclera, but it is not on the pupil? This afternoon, when I woke up and washed my face, I noticed a tiny dot on the surface of my eyeball, similar to a small dot made by a 0.1mm pen. It is clearly attached to the surface o...
Dr. Cai Jingyao Reply:
It sounds like a corneal foreign body or filamentous discharge. If symptoms persist or if there is redness or blurred vision, please seek medical treatment. Thank you.[Read More] Small White Dot on the Eye: Is It a Growth or Stubborn Dirt?
Can Presbyopia Be Effectively Treated? Understanding Your Options
Presbyopia Can presbyopia be effectively treated?
Dr. Feng Jiefan Reply:
Hello: Presbyopia is a condition that occurs due to the gradual decline in the eye's ability to focus as one ages, primarily affecting near vision. Currently, there are no medications available to restore focusing ability. Some surgical options may provide a slight improveme...[Read More] Can Presbyopia Be Effectively Treated? Understanding Your Options
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:
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?
Red Veins in Right Eye: Should You Rest for Relief?
Right eye - bloodshot? I have blood vessels near the pupil of my right eye. Will resting help?
Dr. Wang Zhangji Reply:
Hello: If you need to stop wearing contact lenses, you can apply a cold compress. If there is any discharge, please check it last. P.S. It should be around the cornea, not near the pupil. Sincerely, Dr. Wang Zhang-ji, Ophthalmology.[Read More] Red Veins in Right Eye: Should You Rest for Relief?