Eye examination, Ophthalmology FAQ - Page 3

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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 Keratoconus: Do I Need Further Eye Exams?

Corneal issues Today I visited an ophthalmologist, intending to check for keratoconus, but they didn't have a corneal topographer. However, the doctor performed a slit lamp examination and OCT, and no issues were detected. Does this rule out the possibility of keratoconus, o...


Dr. Gao Pilin Reply:
Hello: Generally speaking, slit lamp examination and OCT (Optical Coherence Tomography) can effectively diagnose keratoconus. The slit lamp examination allows for observation of any abnormalities on the corneal surface, while OCT provides a more detailed view of the cornea's...

[Read More] Understanding Keratoconus: Do I Need Further Eye Exams?


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


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


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 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 Blurry Vision with Soft Contact Lenses: A Guide for High Myopia

One eye is blurry with soft contact lenses? Hello Doctor: I have high myopia (the most recent measurement was two weeks ago: left eye approximately -1200 diopters with astigmatism of -175; right eye approximately -1075 diopters with astigmatism of -175). However, each time I have...


Dr. Gao Pilin Reply:
Hello: Based on the situation you described, there are several possible reasons that could explain your vision fluctuations: 1. Inconsistent prescription between glasses and contact lenses: You mentioned that the prescriptions for your glasses and contact lenses differ, which ma...

[Read More] Understanding Blurry Vision with Soft Contact Lenses: A Guide for High Myopia


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 Eye Flashes: Signs of Retinal Detachment or Not?

Flashes of light in the eyes? Hello, Doctor Gao. I do not have floaters, but I am nearsighted with a prescription of -1.50 in my left eye and -2.20 in my right eye. Recently, I have occasionally seen flashes of light, such as two quick flashes while in the bathroom (I'm not ...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, there are several possibilities to consider, but it does not necessarily indicate retinal detachment. 1. Occasional flashes of light: This condition may be related to the retina. If the retina is being pulled or has small tears, it ca...

[Read More] Understanding Eye Flashes: Signs of Retinal Detachment or Not?


Can Showering with Contact Lenses Increase Risk of Acanthamoeba Infection?

Forgetting to remove contact lenses while showering can increase the risk of infection from Acanthamoeba, a type of protozoan. Acanthamoeba can be found in water, including tap water, and can cause serious eye infections, particularly in contact lens wearers. It is important to a...


Dr. Gao Pilin Reply:
Hello: 1. Is the risk of infection with Acanthamoeba high if I occasionally forget to remove my daily disposable contact lenses while showering? - The risk of Acanthamoeba infection is associated with contact lenses being exposed to non-sterile water (such as tap water or lake ...

[Read More] Can Showering with Contact Lenses Increase Risk of Acanthamoeba Infection?


Understanding Flashing Lights and Visual Disturbances After Retinal Repair

The eyes perceive light as extremely bright, and the light appears to pulsate or change in size? Hello Doctor, I had an eye examination in mid-April and found that there were many retinal tears that have been repaired. Prior to the retinal repair, I also had dry eye syndrome. I h...


Dr. Gao Pilin Reply:
Hello: Based on the situation you described, the symptoms of flashes of light, changes in light intensity, and seeing rainbows that you experienced around early April may be related to your retinal tear. These symptoms could be caused by dynamic changes in the vitreous fluid due ...

[Read More] Understanding Flashing Lights and Visual Disturbances After Retinal Repair


Dealing with an Eyelash Stuck in Your Eye: Symptoms and Solutions

An eyelash has gotten into the eye? Hello doctor, this afternoon while riding my bike, a bug flew into my eye. Later, I felt uncomfortable and checked my eye. It seemed like a foreign object was stuck in there. After taking a shower and returning home to address my eye, I discove...


Dr. Gao Pilin Reply:
Hello: This situation may lead to eye discomfort, even mild eye irritation or inflammation. The condition you described suggests that your eyes may have sustained minor damage, resulting in redness and discomfort. First, you can gently rinse your eyes with saline solution to ensu...

[Read More] Dealing with an Eyelash Stuck in Your Eye: Symptoms and Solutions


Understanding the Impact of Pressure Glasses on Eye Health and Vision

1. Glasses issues 2. Glasses causing red, blue, and yellow fringes around objects 3. Eye pain issues Hello, doctor. I have the following questions that are troubling me, and I would like your clarification: Question 1: 1. Are pressure-relieving lenses / comfort lenses / stud...


Dr. Gao Pilin Reply:
Hello: Question 1: 1. Generally speaking, multifocal lenses are not discouraged; rather, they should be evaluated by a qualified ophthalmologist or optometrist to determine their suitability for you. 2. Currently, there is no clear evidence indicating that long-term use of mult...

[Read More] Understanding the Impact of Pressure Glasses on Eye Health and Vision


Understanding Vision Issues: Glaucoma, Floaters, and Eye Clarity

Poor vision? I have early-stage glaucoma and floaters (with regular check-ups). Hello, doctor. I would like to ask about my condition. I have over 600 degrees of myopia and flashes. Currently, I wear glasses for distance vision. When looking at distant objects with one eye, my le...


Dr. Gao Pilin Reply:
Hello: It is quite common for one eye to be sharper than the other. Additionally, it is related to the prescription of your glasses. If the glasses are prescribed with a slightly stronger power than your actual eye prescription, it may appear sharper. Conversely, if the prescript...

[Read More] Understanding Vision Issues: Glaucoma, Floaters, and Eye Clarity


Understanding Blurry Vision: Common Causes and When to Seek Help

Sometimes vision is blurry? Hello doctor, a couple of days ago I felt a bit uncomfortable with my eyes and went to see a doctor. The doctor diagnosed me with conjunctivitis and prescribed some Tobramycin eye drops and Refresh Plus. Sometimes I feel like there's something in ...


Dr. Gao Pilin Reply:
Hello: Based on your description, you are currently using Terbinafine eye drops and Refresh Plus to treat conjunctivitis. During the treatment, you experienced blurred vision in your right eye, but it returned to normal after blinking. Here are a few steps you can take: 1. Contin...

[Read More] Understanding Blurry Vision: Common Causes and When to Seek Help


Understanding Vision Issues: Thin Optic Nerve and Shadow Symptoms

Regarding visual field issues? Hello doctor, about three months ago, I was diagnosed with thinning of the optic nerve in the upper part of both eyes. The doctor mentioned that the thickness is approximately 79, while the lower part is normal at 100. The night before last, while m...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the fact that the shadow changes position with the movement of your face suggests that it is less likely to be related to an optic nerve issue. However, an examination is still necessary to clarify the problem. Here are several steps yo...

[Read More] Understanding Vision Issues: Thin Optic Nerve and Shadow Symptoms


Can Floaters Cause Blurry Vision? Understanding Your Eye Symptoms

Does floaters cause blurred vision? I have been experiencing floaters in both eyes for six months, and occasionally I see flashes of light. Since I first noticed the symptoms, I have visited two clinics for fundus examinations, both of which showed no abnormalities. However, in t...


Dr. Gao Pilin Reply:
Hello: Based on your description, having floaters in both eyes for six months along with occasional flashes, and experiencing blurred vision in the left eye, these symptoms may indicate some underlying issues in the eye, particularly related to the retina. Here are some possible ...

[Read More] Can Floaters Cause Blurry Vision? Understanding Your Eye Symptoms


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