Understanding Eye Strain: Symptoms and When to Seek Help
Eye strain? Hello, doctor. I would like to ask you a question. I have high myopia; if I remember correctly, one eye is -6.00 and the other is -8.00, with mild astigmatism. Recently, when I wear contact lenses at night and move from a bright area to a dark area, I feel like I see ...
Dr. Wang Zhangji Reply:
If there is a retinal tear or lesion, the onset of symptoms should not be related to wearing contact lenses. I'm not sure if you have recently changed your contact lenses; it could be due to the size, curvature, or material of the new lenses. There are many reasons that can ...[Read More] Understanding Eye Strain: Symptoms and When to Seek Help
Understanding Laser Treatment for Floaters: Why the Controversy?
Regarding laser treatment for floaters? I would like to inquire why laser treatment for floaters is not widely accepted in the ophthalmology community. Is it due to poor effectiveness or associated risks? I have researched and found that both domestic and international physicians...
Dr. Liu Jingxian Reply:
Hello, Sir: Regarding the laser treatment for floaters, one should consider the associated risks and benefits. Most patients develop floaters due to the degeneration of the vitreous body within the eye, where it changes from transparent to opaque, leading to the formation of opac...[Read More] Understanding Laser Treatment for Floaters: Why the Controversy?
Understanding Blurry Vision: Retinal Issues and Dry Eye Symptoms
Blurred vision due to retinal tears or detachment? Hello Doctor: I have high myopia, with my left eye approximately 650-700 degrees and my right eye about 850-900 degrees (the measurements vary from different clinics). I experience floaters and sometimes see flashes of light. Las...
Dr. Liu Jingxian Reply:
Hello, Miss: Based on your described symptoms, you have dry eye syndrome and have recently experienced floaters, occasional flashes of light, and blurred vision in your left eye over the past few days. According to clinical experience, the blurred vision caused by dry eye syndrom...[Read More] Understanding Blurry Vision: Retinal Issues and Dry Eye Symptoms
Can People with Previous Retinal Laser Treatment Practice Yoga Safely?
Can individuals who have undergone laser treatment for the retina practice yoga? Hello, I had a retinal tear four years ago and underwent laser treatment. I have been practicing yoga for four years now. Recently, I read that many yoga poses are not suitable for people with "...
Dr. Zhang Yanrui Reply:
If you are unclear about the yoga poses, it's best to exercise caution and avoid them if specifically noted. However, after undergoing laser treatment, the risk of retinal detachment is significantly reduced.[Read More] Can People with Previous Retinal Laser Treatment Practice Yoga Safely?
Understanding Floaters: Causes, Risks, and Vision Impact at 42
What is floaters syndrome? Hello, doctor. I am 42 years old and have been experiencing floaters for 10 years. Could you please explain why people develop this eye condition? Will this symptom affect the retina, and as I age, will it lead to a decline in eye function and potential...
Dr. Hu Yusheng Reply:
Hello, Miss Sanday! You mentioned that you have had floaters for 10 years and are concerned about their impact on the retina and the relationship with myopia and presbyopia. Floaters occur due to vitreous opacities. Generally, if floaters have been present for more than six month...[Read More] Understanding Floaters: Causes, Risks, and Vision Impact at 42
Understanding Visual Disturbances: Causes of Light Sensations and Flashes in Eyes
The eyes have a sensation of brightness? Hello Doctor: Due to years of degeneration in the central area of the retina, I have lost central vision, but my peripheral vision remains clear. 1. In a dark room, when I remain still and first look to the left before moving my eyes to th...
Dr. Zhang Yanrui Reply:
When the retina in the eye is stimulated, it presents sensations in the form of light perception. Therefore, stimuli such as light, electricity, or pressure can all produce visual sensations. For instance, if you press on your eyeball, you will also experience light perception. I...[Read More] Understanding Visual Disturbances: Causes of Light Sensations and Flashes in Eyes
Is Eye Rubbing Causing Flashing Lights a Normal Occurrence?
Is it normal to see flashes of light when rubbing your eyes? I have had macular degeneration for several years and mild myopia of about 200-300 degrees. I visit the hospital for follow-ups every six months. Recently, I accidentally rubbed my eyes in a dimly lit environment and fe...
Dr. Zhang Yanrui Reply:
Seeing flashes of light indicates that the retina is being stimulated, whether by light, electrical signals, or mechanical force, which can produce visual sensations. Therefore, gently pressing around the eyeball while keeping the eyes closed can also result in visual sensations,...[Read More] Is Eye Rubbing Causing Flashing Lights a Normal Occurrence?
Exploring Laser Surgery and Alternatives for High Myopia Treatment
Laser surgery Hello, doctor. My friend has nearly 1000 degrees of myopia and often experiences eye fatigue and temporary blurred vision due to long hours of work and reading. The doctor has suggested that he could consider laser surgery to reduce his vision impairment. I would li...
Dr. Liu Jingxian Reply:
Hello, Miss: When reading, studying, or working on a computer at close distances, our eyes adjust their focus to see nearby objects clearly. This adjustment is achieved through the contraction of small muscles in the eye called the ciliary muscles. Prolonged near work can lead to...[Read More] Exploring Laser Surgery and Alternatives for High Myopia Treatment
Understanding Floaters and Flashes: Risks and Treatment Options for Eye Health
Floaters? I have poor eyesight (my right eye is -1.50 diopters for myopia, while my left eye has amblyopia with over -6.00 diopters). Four years ago, I started experiencing worsening floaters, and dilation tests showed no abnormalities. However, in the past six months, the freque...
Dr. Liu Jingxian Reply:
Hello Sir: Myopia, especially high myopia, aging, or external trauma to the eyeball, can lead to the gradual degeneration and liquefaction of a transparent, gel-like structure in the eye known as the "vitreous body." This process can create opaque impurities (protein ag...[Read More] Understanding Floaters and Flashes: Risks and Treatment Options for Eye Health
Understanding Vitreous Degeneration: Symptoms, Risks, and Concerns
Vitreous body Hello, Doctor. Three years ago, I started experiencing floaters, and upon examination, the doctor diagnosed me with vitreous degeneration. However, a year ago, I began to experience flashes of light for the first time (with multiple light spots appearing and disappe...
Dr. Liu Jingxian Reply:
Hello Sir: Myopia, especially high myopia, aging, or trauma to the eyeball can lead to changes in the structure of the eye. The vitreous body, a gel-like substance that resembles egg white, gradually degenerates and liquefies, forming opaque impurities (protein aggregates) that f...[Read More] Understanding Vitreous Degeneration: Symptoms, Risks, and Concerns
Understanding Vitreous Degeneration: Symptoms, Risks, and Expert Insights
Vitreous degeneration Hello Doctor, I have approximately 600 degrees of amblyopia in my left eye and about 150 degrees of myopia in my right eye. I discovered floaters about three and a half years ago, and examinations revealed vitreous degeneration, which has gradually worsened ...
Dr. Liu Jingxian Reply:
Hello Sir: "Floaters" are structures within the eye, specifically the vitreous body, which is a gel-like substance that resembles egg white. This vitreous gradually degenerates and liquefies, leading to the formation of some opaque impurities (protein aggregates) that f...[Read More] Understanding Vitreous Degeneration: Symptoms, Risks, and Expert Insights
Understanding Flashing Lights and Vitreous Floaters in Eye Health
Visual flashes and vitreous opacities? Hello, doctor. I previously consulted you, but it seems I didn't receive a response, so I'm asking again. Just now, I suddenly experienced a peripheral visual phenomenon with flashes lasting about 10 seconds, resembling many bright...
Dr. Liu Jingxian Reply:
Hello, Sir: If you are experiencing flashes of light and floaters in your vision, it is very appropriate to seek an ophthalmologist's consultation promptly. The condition known as "floaters" typically occurs in individuals with high myopia or as they age. The vitre...[Read More] Understanding Flashing Lights and Vitreous Floaters in Eye Health
Understanding Flash Phenomena: Insights on Floaters and Retinal Health
Phosphene phenomenon Hello, Doctor. I have amblyopia in my left eye with over 600 degrees of refractive error, and my right eye has about 150 degrees of myopia along with approximately 150 degrees of astigmatism. I started noticing floaters about four years ago in both eyes (thou...
Dr. Liu Jingxian Reply:
Hello, Sir: If you are experiencing flashes of light and floaters in your vision, it is very appropriate to promptly visit an ophthalmologist. The condition known as "floaters" typically occurs in cases of high myopia or as one ages. The vitreous body, a gel-like struct...[Read More] Understanding Flash Phenomena: Insights on Floaters and Retinal Health
Understanding Vitreous Liquefaction: Can It Reverse?
Regarding the vitreous body? Dear Dr. Wang, In what circumstances can the vitreous gel return to its original non-liquefied state after liquefaction? Sincerely, Cai Wensheng
Dr. Wang Zhangji Reply:
Dear Director Wang, (1) If there are lattice degeneration changes in the retina, under what circumstances is retinal laser surgery generally required? (2) There is a type of special vitreous traction (not caused by vitreous degeneration or liquefaction) that is extremely diffi...[Read More] Understanding Vitreous Liquefaction: Can It Reverse?
Understanding Incomplete Posterior Vitreous Detachment and Its Treatment Options
Regarding the vitreous body? Dear Director Chen, (1) Does incomplete posterior vitreous detachment (incomplete PVD) indicate that there is already significant liquefaction in the vitreous body? (2) If there is already significant liquefaction in the vitreous body, what would be...
Dr. Chen Anping Reply:
(1) Vitreous liquefaction itself does not require treatment, but it is important to monitor for any retinal tears.[Read More] Understanding Incomplete Posterior Vitreous Detachment and Its Treatment Options
Understanding the Differences Between Lattice Degeneration and Lattice Degeneration (+) in Ophthalmology
Grid-like name The difference between lattice degeneration (lattice deg.) and lattice degeneration with a positive sign (lattice deg. (+)) typically refers to the severity or presence of associated findings. Lattice degeneration is a condition of the retina characterized by thinn...
Dr. Ke Meilan Reply:
Hello: Both are the same, thank you from Dr. Kuo Mei-Lan, Ophthalmologist.[Read More] Understanding the Differences Between Lattice Degeneration and Lattice Degeneration (+) in Ophthalmology
Understanding Vision Changes After Eye Trauma and Laser Surgery
Eye trauma with a sensation of haze? Hello, I have high myopia and have experienced retinal degeneration. A few days ago, I suffered a blow to my eye and noticed numerous small black dots and thread-like objects floating in my vision. After going to the hospital, the doctor infor...
Dr. Zhang Yanrui Reply:
This is another manifestation of floaters; the vitreous body and retina are in contact during adolescence, but they can separate due to aging, high myopia, or trauma. During this separation, a small number of individuals may experience retinal tears or detachment. After vitreous ...[Read More] Understanding Vision Changes After Eye Trauma and Laser Surgery
Understanding Post-Laser Complications in Retinal Treatment
Post-retinal laser treatment issues? Hello, Doctor. I went to the clinic yesterday morning for an eye examination and discovered that the upper part of my right retina is thinning. The doctor performed laser treatment, administering several dozen shots. That day, I only felt a bi...
Dr. Liu Jingxian Reply:
Hello, Sir: Clinical experience shows that patients with high myopia, defined as having a refractive error greater than -6.00 diopters, experience elongation of the eyeball, which can lead to impaired choroidal circulation. This results in thinning of the peripheral retina, mak...[Read More] Understanding Post-Laser Complications in Retinal Treatment
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:
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 Floaters and Retinal Detachment: Your Concerns Addressed
Regarding floaters? Dear Dr. Chang, I have myopia exceeding 1000 degrees. I experience floaters in my left eye, and my right eye has undergone laser treatment due to a retinal tear. Occasionally, I see 1 to 2 small black or white spots in my right eye, but my doctor has assured ...
Dr. Zhang Yanrui Reply:
Please cherish our online medical resources. When asking the same question, please specify only one physician or dietitian.[Read More] Understanding Floaters and Retinal Detachment: Your Concerns Addressed