Understanding Floaters: Causes, Symptoms, and When to Seek Help
Floaters Hello, I am nearsighted with over 500 degrees and have floaters. I underwent laser surgery last November due to a retinal tear. 1) Sometimes, in dim lighting, I suddenly see a small black spot in my field of vision. It doesn't happen often and disappears after a few...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Floaters: Causes, Symptoms, and When to Seek Help
Do You Need Glasses for Parallax Issues? Understanding Eye Health
Parallax issue Hello, doctor. If the disparity in vision is significant, is it necessary to wear glasses? I feel more comfortable using my phone without glasses. The optometrist said that not wearing them will worsen my vision.
Dr. Gao Pilin Reply:
Hello: If there is a significant difference in the refractive error between your two eyes, it may affect your visual comfort and your ability to focus on objects at varying distances. You mentioned that using your phone is more comfortable without glasses, which may be because yo...[Read More] Do You Need Glasses for Parallax Issues? Understanding Eye Health
Understanding Eye Shadows: Common Concerns and Visual Fatigue
Eye floaters? I recently had a follow-up appointment and underwent a dilated eye exam, which showed no issues in the eight directions they checked. However, I'm not sure if it's related to the eye drops for fatigue, but when I get up, I often see faint shadows on the wh...
Dr. Gao Pilin Reply:
Hello: 1. Faint shadows and changes in color perception: The faint shadows and changes in color perception you experience when looking at white walls or ceilings upon waking may be related to tiny floaters (such as spots) in the vitreous humor. These floaters are usually normal...[Read More] Understanding Eye Shadows: Common Concerns and Visual Fatigue
Understanding Eye Pressure: Symptoms of Glaucoma or Eye Strain?
The eyes feel swollen? Hello doctor, for the past three months, I have been feeling a bit of pressure in my eyes (without dizziness, headaches, or vomiting). I visited an ophthalmologist twice this year, once in February and once in May. In February, I had an eye examination, and...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, it is not possible to determine whether you have chronic glaucoma. However, the sensation of pressure in the eyes, the halos at specific angles, and the previous occurrence of halos may require further evaluation. Chronic glaucoma is an...[Read More] Understanding Eye Pressure: Symptoms of Glaucoma or Eye Strain?
Understanding Macular Degeneration: A Guide to Amsler Grid Changes
Macular degeneration Hello, doctor. I would like to ask if changes in the Amsler grid are very noticeable in cases of macular degeneration. I feel that the lines are not very straight, but the examinations are normal. Is this a natural perception?
Dr. Gao Pilin Reply:
Hello: The macula is an important area of the eye responsible for central vision, particularly for high-resolution visual tasks such as reading and color recognition. Macular disorders can affect these visual tasks, but not all macular issues will lead to noticeable changes on th...[Read More] Understanding Macular Degeneration: A Guide to Amsler Grid Changes
Post-Surgery Pupil Dilation: Recovery Time and Treatment Options
Postoperative mydriasis with inability to constrict the pupil? Hello Doctor: It has been ten days since my cataract surgery. I started using dilating drops a week before the surgery (morning and evening), and the hospital administered the drops over ten times on the day of the su...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Post-Surgery Pupil Dilation: Recovery Time and Treatment Options
Emergency Braking and the Risk of Retinal Detachment: What You Need to Know
Emergency braking and retinal detachment? Hello, doctor. I am a highly myopic engineer (both eyes over 1000 with astigmatism of 400+). I have a history of retinal tears in both eyes and have undergone laser treatment for them. Yesterday morning, while on a business trip, I took a...
Dr. Gao Pilin Reply:
Hello: First of all, the emergency braking situation you described could indeed put pressure on the eyes, but generally, a brief episode of emergency braking should not directly lead to retinal detachment or tears. However, given your history of retinal tears, it is crucial to en...[Read More] Emergency Braking and the Risk of Retinal Detachment: What You Need to Know
Understanding Black Spots in Vision: Are They Floaters or Something More?
Black spots in the eyes? 1. I have high myopia and astigmatism of 1000 degrees in both eyes. I have experienced floaters since high school, and recently I've noticed occasionally seeing a bright black dot that doesn't resemble typical floaters. This dot does not move an...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the bright black spot you described, based on your account, it differs from typical floaters. Normal floaters are usually transparent or gray and float or move within your field of vision. If you notice a bright black spot that does not move, this is differe...[Read More] Understanding Black Spots in Vision: Are They Floaters or Something More?
Understanding Eye Flashes: What Does White Light in Vision Mean?
There is a white light in the eye? Hello, doctor: I would like to ask if flashes in the eyes occur at specific points. Recently, when I am about to fall asleep, I feel a white light in front of my eyes, similar to the feeling of lightning flashing in from outside, but not as brig...
Dr. Gao Pilin Reply:
Hello: This phenomenon may be a type of visual perception occurrence, and it is usually not a cause for concern. This situation may be related to the transition of your visual system from a waking state to a sleep state.[Read More] Understanding Eye Flashes: What Does White Light in Vision Mean?
Post-Laser Eye Surgery Concerns: Recovery, Vision, and Follow-Up Care
Postoperative Issues After Retinal Laser Surgery Hello, Doctor. Previously, my corrected vision was 0.9 in the left eye and 0.8 in the right eye. After being hit, I didn't experience any symptoms. However, three months later, during a dilated eye exam, it was discovered that...
Dr. Gao Pilin Reply:
Hello: 1. After laser surgery, if your vision has decreased and your corrected vision is below 0.2, and you have already waited for some time, it is recommended that you return to an ophthalmologist for an examination. The doctor can assess your eye condition and provide appropri...[Read More] Post-Laser Eye Surgery Concerns: Recovery, Vision, and Follow-Up Care
Understanding Amsler Grid: Detecting Macular Degeneration Changes
Amsler Grid Hello, doctor. Sometimes when I look at the Amsler grid, I see it distorted or with dark spots, but my examinations are normal. I would like to ask, if there is indeed macular degeneration, would there be noticeable changes when looking at the grid?
Dr. Gao Pilin Reply:
Hello: Macular degeneration may cause changes when viewing the Amsler grid. Sometimes the lines may appear wavy, or there may be dark spots, which could be caused by floaters obstructing your vision. Macular degeneration can lead to difficulties in accurately seeing the squares o...[Read More] Understanding Amsler Grid: Detecting Macular Degeneration Changes
Understanding Visual Disturbances: When to Seek Eye Care and Testing
Feeling a blur around the eyes, but it seems like I can still see clearly & questions about eye health check-up? Hello, Dr. Gao: Recently, I have occasionally experienced visual disturbances, such as seeing slight tremors in certain areas or noticing some noise or a faint mo...
Dr. Gao Pilin Reply:
Hello: (1) For patients with high myopia, regular ophthalmic examinations are very important. It is generally recommended to have a comprehensive eye exam at least once a year to ensure your visual health. (2) The health check items you mentioned already include many important op...[Read More] Understanding Visual Disturbances: When to Seek Eye Care and Testing
Addressing Common Eye Care Concerns: Your Questions Answered
Previous question Hello, doctor. Thank you for your response. I have some follow-up questions: 1. Previously, the doctor mentioned that it’s unlikely for my prescription to increase so much unless I constantly use my phone or tablet, and that dilation is necessary. However, I do...
Dr. Gao Pilin Reply:
Hello: 1. If you have been using your smartphone or tablet for extended periods, it may have some impact on your eyes. Regarding concerns about having a prescription that is too weak, eye care professionals typically take into account your usage habits and eye condition when pres...[Read More] Addressing Common Eye Care Concerns: Your Questions Answered
Understanding Vitreous Floaters: Causes, Symptoms, and Treatment Options
Vitreous body has impurities? After the ophthalmologist performed an OCT (Optical Coherence Tomography) examination, they mentioned that there are impurities in the vitreous of the left eye, located in the center, which is causing a fixed shadow in your vision. The doctor also no...
Dr. Gao Pilin Reply:
Hello: Impurities in the vitreous body may result from vitreous opacities or other issues. This condition can sometimes be age-related, but it may also be associated with other ocular problems. Vitreous opacities typically do not resolve on their own, but in some cases, they may ...[Read More] Understanding Vitreous Floaters: Causes, Symptoms, and Treatment Options
Glare and Nighttime Light: Risks After Laser Eye Surgery
Glare, the hazards caused by various lights at night? Hello Doctor, after my myopic laser surgery, I have been experiencing severe glare. Previously, I didn't find the red and green traffic lights or car headlights to be bright when going out at night, but now they seem quit...
Dr. Gao Pilin Reply:
Hello: Exposure to intense light sources when going out at night may have some impact on vision, but it should not lead to macular degeneration.[Read More] Glare and Nighttime Light: Risks After Laser Eye Surgery
Do Cataracts Cause Fixed Shadows in Vision? Understanding Eye Symptoms
Can a person with cataracts see fixed dark shadows? In mid-June, I underwent a dilated eye exam, during which the doctor indicated that there were no issues and that I should return for a check-up in six months. At that time, I was uncertain if I had noticed any fixed dark spots....
Dr. Gao Pilin Reply:
Hello: 1. Symptoms of Shadows and Cataracts: High myopia and cataracts may affect the health of your eyes. Shadows may result from issues with the retina, vitreous, or other factors, but they may also be related to the development of cataracts. Cataracts can lead to blurred visio...[Read More] Do Cataracts Cause Fixed Shadows in Vision? Understanding Eye Symptoms
Understanding Visual Disturbances: When to Seek Eye Care
Eye problems In recent days, I've been experiencing distorted afterimages of objects; they appear normal when I look directly at them. When I move my eyes, I notice strange visual trails resembling scratches. I often see light spots and dark spots, and occasionally I feel a ...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Visual Disturbances: When to Seek Eye Care
Understanding Changes in Your Eye Prescription: Common Concerns
Questions related to refractive error measurements? Hello Doctor, my vision has not changed since 2016. My left eye has myopia of -5.50 with astigmatism of -0.75, and my right eye has myopia of -4.75 with astigmatism of -1.00. Last week, I visited an ophthalmologist and an optica...
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, seek consultation at another ophthalmology clinic. Thank you. Wishing you good health![Read More] Understanding Changes in Your Eye Prescription: Common Concerns
Understanding Multiple Retinal Detachment Surgeries and Recovery Challenges
Multiple surgeries for retinal detachment? Hello Dr. Liang, I have a vision of 575 in my left eye and 525 in my right eye, and I am 38 years old. On June 21, I was referred from a clinic to a regional hospital due to a retinal detachment in my left eye (extending to the macula)....
Dr. Liang Ce Reply:
Recommendations: 1. Discuss the above situation further with your attending physician. 2. Alternatively, seek consultation at another ophthalmology medical facility. Thank you. Wishing you good health![Read More] Understanding Multiple Retinal Detachment Surgeries and Recovery Challenges
Do Adults Need Dilated Eye Exams? Common Vision Concerns Explained
Do adults need to undergo dilation for an eye exam? Hello, doctor. I have quite a few questions, and I appreciate your help. 1. For an adult (28 years old), is it necessary to use a dilating agent during an eye exam? My concern is that even if there is pseudomyopia, we don'...
Dr. Gao Pilin Reply:
Hello: 1. In general, adults do not require the use of mydriatic agents during an eye examination. However, if there are specific needs, the physician will evaluate whether mydriatics are necessary based on your symptoms and condition. 2. It is generally normal for the refractive...[Read More] Do Adults Need Dilated Eye Exams? Common Vision Concerns Explained