Retina, Ophthalmology FAQ - Page 4

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Understanding Gel-like Visual Disturbances During Eye Movement

Gel-like substance during eye movement? Hello Doctor, I recently noticed that when I turn my head quickly or move my eyes, I see a fixed area in my left eye that resembles a plastic film. This occurs for a fraction of a second each time I turn my head, and it feels like quickly p...


Dr. Gao Pilin Reply:
Hello: Based on your description, you are experiencing brief abnormal visual phenomena in your left eye during rapid eye movements, which may be related to the vitreous or retina. Here are some possible causes: 1. Vitreous opacities: The vitreous is a transparent gel-like substan...

[Read More] Understanding Gel-like Visual Disturbances During Eye Movement


Understanding Floaters and Flashing Lights: When to Seek Eye Care

Eye highlights Hello Doctor: I started experiencing symptoms of floaters around January of this year. Since then, I have undergone 10 dilated eye examinations because new symptoms keep appearing, which makes me anxious and leads me to visit different clinics (I have had two visit...


Dr. Gao Pilin Reply:
Hello: 1. Examination Results and Laser Treatment: If multiple dilated eye examinations have not revealed any retinal tears or holes, despite having high myopia and thinner peripheral retina, there is a valid reason why your doctor has not recommended laser treatment. Preventiv...

[Read More] Understanding Floaters and Flashing Lights: When to Seek Eye Care


Understanding Post-Retinal Detachment Surgery Symptoms and Concerns

Post-Retinal Detachment Surgery Hello Director: I have undergone retinal detachment surgery on my left eye, which involved gas injection and vitrectomy. I also had an artificial lens implanted three years ago, and my vision is approximately 0.8 to 0.9. However, for the past three...


Dr. He Jianxian Reply:
Dear Mr. Hope: Based on your description, there should generally be no issues with your retina. As for the sensation of movement you are experiencing, I cannot interpret that; I recommend discussing it with your attending physician. Director He Jianxian, Ophthalmology, Nantou Hos...

[Read More] Understanding Post-Retinal Detachment Surgery Symptoms and Concerns


Understanding Double Vision: Causes, Control, and When to See an Eye Doctor

Diplopia issues I would like to inquire about a sudden decrease in vision that Dr. Gao mentioned previously. Recently, my right eye has started to become blurry again, and the measurement has returned to the original prescription of -4.75. Over the past couple of days, I noticed ...


Dr. Gao Pilin Reply:
Hello: Regarding your sudden vision loss that has since recovered: Your vision loss may have been caused by a temporary condition such as eye strain, an eye infection, or dry eye syndrome. If your vision has returned to normal and you have no other symptoms, then there may not be...

[Read More] Understanding Double Vision: Causes, Control, and When to See an Eye Doctor


Understanding Diplopia: Is Astigmatism the Cause of Your Visual Disturbances?

Diplopia issue (Sequence 208956) I apologize for the inconvenience, but I would like to ask Dr. Gao if astigmatism issues might only arise when looking at specific objects. I have observed that I can only see a faint line next to a very dark straight line; could this be related t...


Dr. Gao Pilin Reply:
Hello: Astigmatism is a common refractive error that occurs when the curvature of the cornea or lens is uneven, causing light to focus improperly on the retina. It typically affects vision, making objects appear blurry or distorted. This phenomenon is particularly noticeable when...

[Read More] Understanding Diplopia: Is Astigmatism the Cause of Your Visual Disturbances?


Understanding Eye Issues: Floaters, Flashes, and Dry Eyes Explained

Flashes, eye problems? Hello Doctor, thank you for answering some of my questions previously. I really appreciate it. I have floaters and wear orthokeratology lenses. I have some additional questions I would like to ask: 1. Recently, when I stare at a screen for a long time, I ...


Dr. Gao Pilin Reply:
Hello: 1. Seeing a flash of light when staring at a screen: This situation may be related to eye fatigue or visual overstimulation. When you focus on a screen for an extended period, the photoreceptors in the retina may produce brief visual afterimages, which is a normal phenom...

[Read More] Understanding Eye Issues: Floaters, Flashes, and Dry Eyes Explained


Concerns About Antibiotic Resistance and Ocular Conditions

Concerns about drug resistance and special diseases? 1. I used the Betamethasone eye ointment only 4 times (before bed for 4 days) and the Chloramphenicol eye drops 5 times (5 drops over 5 days). The main symptoms of photophobia, eye moisture, and the sensation of a foreign body ...


Dr. Gao Pilin Reply:
Hello: Concerns about antibiotic resistance: Based on your description, the frequency of using Betamethasone eye ointment and Chloramphenicol eye drops is relatively low, which suggests a lower risk of developing antibiotic resistance. Antibiotic resistance typically arises fro...

[Read More] Concerns About Antibiotic Resistance and Ocular Conditions


Why Do I See a Black Circle in Bright Lights? Eye Health Explained

A black circular object appears at the center of the light source? Recently, I have noticed that when I look at light sources (such as light bulbs, headlights of cars at night, and streetlights) with my left eye, a small black circular object occasionally appears at the center of...


Dr. Gao Pilin Reply:
Hello: Based on your description, the appearance of a black circular object in your left eye when looking at a light source may be caused by various factors, and further examination is needed to determine the specific cause. Here are several possible reasons: 1. Vitreous opacit...

[Read More] Why Do I See a Black Circle in Bright Lights? Eye Health Explained


Common Eye Issues: Managing High Eye Pressure and Visual Disturbances

Eye problems Hello, Doctor. I have a few questions: 1. My intraocular pressure seems to be a bit high; do you have any methods to help lower it? 2. I wear orthokeratology lenses at night, but when I blink quickly in the dark, I see a circular light in the center of my vision. 3. ...


Dr. Gao Pilin Reply:
Hello: 1. Management of elevated intraocular pressure: - Pharmacological treatment: If intraocular pressure is elevated, topical medications to lower eye pressure are typically used. The specific medication should be based on the ophthalmologist's prescription. - L...

[Read More] Common Eye Issues: Managing High Eye Pressure and Visual Disturbances


Understanding White Light Spots in Vision: Causes and Concerns

White streaks or spots of light appearing in the vision? Hello, doctor. I have high myopia (1000-1050) and astigmatism of 150 degrees. Recently, I noticed the presence of floaters, but they haven't significantly affected my daily life. However, I have experienced symptoms re...


Dr. Gao Pilin Reply:
Hello: Based on your description, the visual phenomena you mentioned involve floaters, flashes, and possibly visual snow. Firstly, floaters are typically caused by opacities in the vitreous humor projecting onto the retina; these floating objects can be transparent or semi-transp...

[Read More] Understanding White Light Spots in Vision: Causes and Concerns


Seeing Shadows While Coughing: Is It a Retina Issue?

Coughing with dark sputum? Hello, doctor. I experience floaters when looking at the sky or under bright sunlight. Two years ago, I also noticed some patterns that appeared to be shaking. At that time, I visited a major hospital and underwent tests for glaucoma and optical coheren...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, particularly the appearance of black shadows during coughing, it is indeed important to pay special attention. Here are some possible causes and recommendations: 1. Vitreous traction: Coughing or straining may cause a temporary change...

[Read More] Seeing Shadows While Coughing: Is It a Retina Issue?


Understanding Blurred Vision While Reading: Is It Dry Eye Syndrome?

Reading book issues? Doctor, I currently see indoor lights as scattered, and reading in low light conditions makes it more difficult to see the text. However, I have no issues seeing illuminated objects such as my phone, computer, television, train schedules, and signs. Could thi...


Dr. Gao Pilin Reply:
Hello: Based on the situation you described, it may be one of the symptoms caused by dry eye syndrome. Dry eye syndrome is a common eye condition characterized by symptoms such as dryness, a stinging sensation, eye fatigue, blurred vision, and sensitivity to light. The scattered ...

[Read More] Understanding Blurred Vision While Reading: Is It Dry Eye Syndrome?


Understanding Eye Fatigue: Causes, Symptoms, and Treatment Options

Eye fatigue In early May, I had a follow-up appointment for a floaters examination because I felt like there were things flashing when looking at a white wall, and when I closed my eyes, I felt like there were things constantly moving, similar to blobs of light. I would like to a...


Dr. Gao Pilin Reply:
Hello: Based on your description, the symptoms you mentioned mainly include floaters, intermittent strabismus, blurred vision, and eye fatigue. Here are the responses to these issues: Floaters: Floaters refer to the appearance of floating black dots or lines in your vision, whic...

[Read More] Understanding Eye Fatigue: Causes, Symptoms, and Treatment Options


Assessing Cataract Surgery Feasibility for Diabetic Patients

Feasibility of Cataract Surgery Hello, Dr. Gao: Recently, an elder in my family visited a nearby clinic and was informed that the maturity of their cataract is about 70%. They also underwent a fundus examination, which revealed poor retinal health. After administering a mydriatic...


Dr. Gao Pilin Reply:
Hello: Generally speaking, the success rate of cataract surgery is very high, and postoperative vision can significantly improve. However, in certain cases, postoperative vision may not be ideal. This may be due to several reasons (unrelated to the surgical technique used): the p...

[Read More] Assessing Cataract Surgery Feasibility for Diabetic Patients


Understanding Visual Disturbances: Spots and Flashes After Waking Up

Upon waking, I notice many spots in my vision? Hello Doctor: I have a history of retinal tears in both eyes and have undergone laser treatment. This morning, when the phone rang in the living room, I hurriedly walked from my room and suddenly noticed many round spots of light in ...


Dr. He Jianxian Reply:
Hello Miss Xiao Ju: Visual persistence is a common phenomenon. Generally, if it resolves quickly, there is no need to worry too much. However, if you are still concerned, it is advisable to have an eye examination. Director He Jianxian, Ophthalmology Department, Nantou Hospital.

[Read More] Understanding Visual Disturbances: Spots and Flashes After Waking Up


Understanding Zigzag Light Patterns in Vision: Causes and Insights

Sawtooth light? Hello, Doctor Gao. I have noticed a curved, serrated bright line on the right side of my vision. I use the term "bright line" because it does not flicker. When I close my eyes and rest, the symptoms disappear within ten minutes, and I do not experience a...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the appearance of arc-shaped, serrated bright lines in your right visual field may be related to issues with the eyes or the nervous system. Here are some possible factors and recommendations: Possible Factors: 1. Eye Problems: Abnorma...

[Read More] Understanding Zigzag Light Patterns in Vision: Causes and Insights


Understanding Floaters: Concerns and Eye Health Tips for Young Adults

The issue of floaters? Hello, Doctor. I would like to ask you some questions. I have been experiencing floaters for nearly three years now, but I feel that the number of floaters has increased recently. I wonder if this is due to my increased screen time and staying up late. Over...


Dr. Gao Pilin Reply:
Hello: Floaters are quite common in clinical practice, especially among individuals with myopia. Floaters typically occur due to the degeneration or liquefaction of the vitreous, resulting in tiny particles that affect the transmission of light within the eye, leading to shadows ...

[Read More] Understanding Floaters: Concerns and Eye Health Tips for Young Adults


Understanding Blurry Vision: Insights on Retinal Health and Nerve Myelin

Blurred vision (Sequence 208652) Hello Dr. Gao, Today I had an ophthalmology appointment where I underwent OCT and dilated fundus examination. Everything is normal except for the peripheral retina in my right eye, which is thinner (the doctor mentioned it resembles that of some...


Dr. Gao Pilin Reply:
Hello: Myopia patients exhibit posterior elongation of the eyeball due to an increase in axial length, leading to degeneration of the choroid and retina surrounding the optic nerve. This is a common occurrence and should not be a cause for concern. Optic Nerve Myelination refer...

[Read More] Understanding Blurry Vision: Insights on Retinal Health and Nerve Myelin


Understanding Blurry Vision: Causes and Concerns for Eye Health

Blurred vision (Sequence 208650) I'm sorry, Dr. Gao. If the reasons you mentioned could be ambiguous, could there be a possibility that the left eye's vision has decreased while astigmatism has appeared, and the right eye's vision has increased, all occurring withi...


Dr. Gao Pilin Reply:
Hello: Based on your description, the changes in your vision and the onset of astigmatism may be the result of multiple factors. Here are several possibilities: 1. **Vision Fluctuations**: Short-term fluctuations in vision may be caused by eye strain, dry eye syndrome, or irreg...

[Read More] Understanding Blurry Vision: Causes and Concerns for Eye Health


Understanding the Difference Between Eye Prescription and Visual Acuity

"Degree" and "visual acuity" of the eyes? I have myopia in both eyes, with the same degree of -3.50 diopters. However, during a vision test (using a pinhole), my left eye scored 0.6 and my right eye scored 0.9. I would like to ask: 1. Will this difference in v...


Dr. Gao Pilin Reply:
Hello: 1. Vision disparity and dominant eye: Such a vision disparity can indeed lead you to rely more on your right eye in daily life. The better vision in your right eye naturally encourages you to use it more for visual activities, resulting in less frequent use of your left ...

[Read More] Understanding the Difference Between Eye Prescription and Visual Acuity


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