Understanding Abnormal Eye Symptoms Linked to Blood Flow Issues
Doctor, please help me make a diagnosis? Hello Doctor: Previously, my systolic blood pressure suddenly soared to 185, and at that time, I noticed a thin black blood vessel in my right eye pulsating with my heartbeat. However, after my blood pressure and heart rate returned to nor...
Dr. Cai Jingyao reply Ophthalmology
Dear friend, your issue is likely related to problems with blood flow in the eyes. A thorough examination of the ocular blood vessels, carotid arteries, and cerebral arteries is necessary. It is generally recommended to undergo a detailed evaluation in the field of neurology. Sin...[Read More] Understanding Abnormal Eye Symptoms Linked to Blood Flow Issues
Does Wearing Glasses Cause Vision Decline? Understanding Eye Health
My vision became blurry without my glasses? Hello Doctor, earlier this year I had my vision tested and both of my eyes measured -1.75 diopters, so the optical shop provided me with glasses with a prescription of -1.75. Since that day, I have been wearing them almost every day whe...
Dr. Cai Jingyao reply Ophthalmology
Dear Xiao Zhi, you have become accustomed to wearing glasses with corrective lenses. When you take them off to look at distant objects, it may indeed be unclear; however, for close-up reading, the prescription is not strong, so you should have no issues without your glasses. Rout...[Read More] Does Wearing Glasses Cause Vision Decline? Understanding Eye Health
Concerns About Eye Infection After Contact with Contaminated Water
The eyes were suspected to be splashed with sewage? Hello, doctor! My rental place has a ceiling that often leaks, and there are orange-red deposits after drying. I suspect that it's wastewater leaking from the upstairs sewage pipe. Just now, while using the restroom, some o...
Dr. Cai Jingyao reply Ophthalmology
Dear friend, the eyes have their own self-protective mechanisms, such as eyelids covering the eyes, tear secretion, and antibacterial properties. However, if there is a possibility of infection, it is best and most important to see a doctor. You can self-assess for symptoms such ...[Read More] Concerns About Eye Infection After Contact with Contaminated Water
Understanding Eye Pressure and Floaters: Common Concerns Explained
Intraocular pressure, floaters? Hello, Doctor; I would like to ask about intraocular pressure. Generally, I feel a sense of pressure in my eyes, but sometimes the pressure feels heavier, particularly in the area between my eyebrows, which feels slightly relieved. Is this related ...
Dr. Cai Jingyao reply Ophthalmology
Dear Ade, intraocular pressure refers to the pressure inside the eye, which can only be measured with special instruments. Sometimes, excessive eye use can lead to fatigue and a feeling of pressure, often due to tension in the muscles around the eyes; local massage can help relie...[Read More] Understanding Eye Pressure and Floaters: Common Concerns Explained
Understanding Eye Floaters: Causes, Symptoms, and Treatment Options
Is this floaters? Hello, Dr. Tsai. Recently, I have been experiencing flashes of white circular spots in my peripheral vision, occurring approximately every twenty minutes. It's not directly in front of me, but rather in my left rear field of vision. I remember being startle...
Dr. Cai Jingyao reply Ophthalmology
What has been mentioned above is indeed a manifestation of floaters. If there is a history of ocular trauma or high myopia, it is best to undergo a dilated retinal examination, which will alleviate concerns regarding the presence of flashes of light. Antihistamine eye drops, if n...[Read More] Understanding Eye Floaters: Causes, Symptoms, and Treatment Options
Post-LASIK Vision Issues: Understanding Blurriness and Recovery Concerns
Post-LASIK Vision Issues Hello Dr. Tsai, I recently underwent LASIK surgery and initially achieved a vision of 1.2 in one eye. However, as time has passed during the recovery, my vision has become increasingly blurry, and it has dropped to 0.8 despite consistently using eye drop...
Dr. Cai Jingyao reply Ophthalmology
After LASIK surgery, it is possible for some degree of myopia to return, which may be due to the development of new myopia or pseudomyopia caused by excessive near work. A visit to an ophthalmology clinic for examination and medication may be necessary. Additionally, myopia can f...[Read More] Post-LASIK Vision Issues: Understanding Blurriness and Recovery Concerns
Why Are My Eyes Yellow? Understanding Causes and Solutions
The eyes appear slightly yellow? My sclera is yellowish, and it has been like this for a long time, probably since high school. Could it be related to smoking?
Dr. Cai Jingyao reply Ophthalmology
Yellowing of the eyes may indicate systemic diseases, such as jaundice. If there are no underlying conditions, it is generally not serious. A visit to an ophthalmology clinic for examination can help confirm that there are no issues.[Read More] Why Are My Eyes Yellow? Understanding Causes and Solutions
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 Ophthalmology
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 Ophthalmology
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
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 Ophthalmology
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
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 Ophthalmology
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 Misplaced Intraocular Lenses Be Replaced After Cataract Surgery?
Misplacement of intraocular lens during cataract surgery? My mother underwent cataract surgery and had an artificial intraocular lens implanted, but she continues to experience blurred vision. After an examination at another hospital, it was determined that the lens was improperl...
Dr. Cai Jingyao reply Ophthalmology
If the lens is still aligned with the optical axis, it is possible to perform an eye examination and prescribe corrective glasses. If the deviation is too significant, then consideration should be given to repositioning or replacing the lens. However, lens replacement surgery req...[Read More] Can Misplaced Intraocular Lenses Be Replaced After Cataract Surgery?
Understanding Laser Surgery for Myopia: Risks, Options, and Costs
Myopia laser surgery Hello Doctor: I have approximately -1100 diopters of myopia and am considering laser surgery. However, I have heard that one can only undergo the procedure once in a lifetime. If I develop cataracts or glaucoma as I age, will I be unable to have further treat...
Dr. Cai Jingyao reply Ophthalmology
After undergoing laser surgery for myopia, if necessary, patients may still undergo cataract or glaucoma surgery. However, compared to eyes that have not undergone surgery, a more thorough preoperative evaluation is required. It is less appropriate to make recommendations on a ca...[Read More] Understanding Laser Surgery for Myopia: Risks, Options, and Costs
Understanding Yellowing of the Eyes: Causes and Solutions
Yellowing of the sclera? The white part of the eyes appears yellow and looks lackluster. I'm not sure what the cause is. Thank you for your help.
Dr. Cai Jingyao reply Ophthalmology
The term "whites of the eyes" primarily refers to the conjunctival area. Frequent use of eye drops or prolonged sun exposure can lead to changes in coloration. Certain conditions, such as jaundice, can also cause yellowing, so it is advisable to have a specialist evalua...[Read More] Understanding Yellowing of the Eyes: Causes and Solutions
Understanding Uneven Eyes: Causes and Treatment Options
Unequal pupil size? What are the causes of having uneven eyes, and how can it be treated?
Dr. Cai Jingyao reply Ophthalmology
Asymmetry in the eyes can sometimes be a subjective assessment and may not necessarily indicate a true difference in size. It can be caused by factors such as ptosis (drooping eyelid) or uneven eyelid elevation, as well as orbital hollowing. A thorough examination by an ophthalmo...[Read More] Understanding Uneven Eyes: Causes and Treatment Options
Understanding Floaters: Common Concerns and Eye Health Insights
Regarding floaters? Hello Doctor: I would like to inquire about floaters. I first noticed floaters when I was 20 years old, and there were many of them, almost covering the entire visual field. At that time, I had an examination, and the doctor said it was a natural degenerative ...
Dr. Cai Jingyao reply Ophthalmology
Floaters do not necessarily occur only in individuals with myopia; they typically develop around the ages of 30 to 40, unless there is trauma or an eye disease. It is generally believed that wearing glasses or using a computer does not affect floaters, as they are caused by the d...[Read More] Understanding Floaters: Common Concerns and Eye Health Insights
Understanding Persistent Curved Lines in Your Vision: Causes and Solutions
Are you experiencing the appearance of wavy, semi-transparent lines in your vision? I am experiencing continuously appearing faint, curved, translucent lines in my vision. These lines appear whenever I move my focus to any area, almost as if they are being printed right in front ...
Dr. Cai Jingyao reply Ophthalmology
It appears to be changes in the vitreous body of the eye. Please visit an ophthalmology clinic for a dilated fundus examination.[Read More] Understanding Persistent Curved Lines in Your Vision: Causes and Solutions
Is It Normal to See Blood Vessels After Using Timoptol Eye Drops?
Timolol ophthalmic solution I am 23 years old and currently studying in graduate school. Due to frequent reading, I often experience eye pain. A doctor diagnosed me with high intraocular pressure and prescribed Timolol. I just started using it for the second time, and after using...
Dr. Cai Jingyao reply Ophthalmology
Some individuals may experience symptoms of conjunctivitis during the initial use. If symptoms persist, please consult your prescribing physician. Thank you.[Read More] Is It Normal to See Blood Vessels After Using Timoptol Eye Drops?
Can You Wear Colored Contact Lenses After LASIK Surgery?
Can I wear colored contact lenses after LASIK surgery? Hello Dr. Tsai: I underwent laser surgery three years ago, and my condition is currently good. Is my cornea more fragile than that of an average person? Am I able to wear non-prescription colored contact lenses? If I can wear...
Dr. Cai Jingyao reply Ophthalmology
After laser surgery, changes in corneal curvature may make it less suitable to wear standard contact lenses with colored tints, as they may not accommodate the alterations in the cornea post-surgery.[Read More] Can You Wear Colored Contact Lenses After LASIK Surgery?
Sudden Vision Loss: Understanding Possible Causes and Treatments
One eye suddenly lost vision? I do not expect an immediate answer to the following question, as I understand that diagnosing such diseases and determining treatment can be challenging. Based on my second-year anatomy knowledge, I know that ophthalmic diseases that cannot be seen ...
Dr. Cai Jingyao reply Ophthalmology
There are many causes of acute vision loss. If, as you mentioned, the fundus appears completely normal, it is possible that the issue lies with the retrobulbar optic nerve. If it is retrobulbar optic neuritis, corticosteroids such as methylprednisolone may be administered via inj...[Read More] Sudden Vision Loss: Understanding Possible Causes and Treatments