Ophthalmology Q&A - Page 12

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Understanding Flashing Lights in Vision for High Myopia Patients

Flashes of light in the eyes? Hello Doctor, I have high myopia with prescriptions of -750 and -950 diopters. Recently, I have suddenly experienced flashes of light, but they only occur when I move from a dark area to a bright one. Specifically, if I stay in a dark place for about...


Dr. Gao Pilin Reply:
Hello: The phenomenon you mentioned, where flashes appear in your peripheral vision when blinking while transitioning from a dark to a bright environment, and which lasts for several minutes before disappearing, may be related to issues with the retina or vitreous body. Here are ...

[Read More] Understanding Flashing Lights in Vision for High Myopia Patients


Light Sensitivity After Stopping Eye Drops: When to Seek Help?

After discontinuing the eye drops for one month, there is still photophobia? Hello, doctor. I was misdiagnosed with glaucoma on March 18 and used 2% eye drops for nearly a week. Later, on March 25, I visited an ophthalmologist with more advanced equipment, and the doctor advised ...


Dr. Gao Pilin Reply:
Hello: The symptoms you described may be related to the side effects of the topical ophthalmic solution (2%). Generally, side effects should gradually subside after discontinuation of the medication, but individual responses may vary. If you have stopped the medication for nearly...

[Read More] Light Sensitivity After Stopping Eye Drops: When to Seek Help?


Understanding Dark Shadows in One Eye: Possible Causes and Next Steps

The left eye feels darker, with a shadow in a specific area? In recent days, I have noticed an imbalance in the light perception between my two eyes. Upon comparison, I found that my left eye perceives light as darker, and there seems to be an irregular circular shadow in the cen...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the uneven light perception in your left eye and the irregular circular shape resembling an afterimage from looking at a bright light may indicate an issue related to eye health. Floaters are typically caused by the liquefaction of the ...

[Read More] Understanding Dark Shadows in One Eye: Possible Causes and Next Steps


Can Eye Protrusion Be Reversed? Understanding Myopia and Treatment Options

Can bulging eyes be restored? I have myopia with a prescription of -3.00 diopters in my left eye and -3.75 diopters in my right eye. It seems that my eyelids have thickened along with my myopia, transitioning from double eyelids to more of a monolid appearance. Is this related to...


Dr. Gao Pilin Reply:
Hello: Your myopia (left eye -300 degrees, right eye -375 degrees) may affect the appearance of your eyelids, but this is not a common phenomenon. Typically, higher degrees of myopia may cause the eyeball to protrude slightly, which can lead to the eyelids appearing thicker or ch...

[Read More] Can Eye Protrusion Be Reversed? Understanding Myopia and Treatment Options


Will My Vision Worsen If I Only Wear Glasses While Studying?

Questions about the progression of refractive error in adulthood? Hello, doctor. I am currently 23 years old, with a prescription of -0.75 diopters in my left eye and -2.00 diopters in my right eye. My lifestyle requires me to study for long hours every day, so I have the followi...


Dr. Gao Pilin Reply:
Hello: Wearing glasses only while studying does not cause an increase in myopia. The development of myopia is related to genetic and environmental factors, and there is no direct correlation with whether or not one wears glasses. Prolonged eye use is indeed one of the main factor...

[Read More] Will My Vision Worsen If I Only Wear Glasses While Studying?


Understanding Vision Problems: Contact Lenses vs. Glasses and Keratoconus Concerns

Vision examination issues I recently visited an ophthalmologist and found that my vision with contact lenses is 0.8 and 0.9, while with regular glasses, it is only 0.4 and 0.5. The axial length of my eyes was measured, but the doctor did not assess the true degree of astigmatism....


Dr. Gao Pilin Reply:
Hello: There may be differences in the prescription between contact lenses and glasses for several reasons: 1. Different fitting methods: Contact lenses are typically fitted directly on the cornea, while glasses are fitted at a distance in front of the eyeball. Since the curvatur...

[Read More] Understanding Vision Problems: Contact Lenses vs. Glasses and Keratoconus Concerns


Understanding Pseudomyopia: Causes, Effects, and Recovery Options

Pseudomyopia The original myopia measurements are 625 and 650. The patient usually has a high visual demand and wears myopia control contact lenses. During regular follow-up visits, the ophthalmologist mentioned a significant increase in pseudomyopia but did not prescribe any cyc...


Dr. Gao Pilin Reply:
Hello: 1. Can pseudomyopia recover on its own? Pseudomyopia is caused by excessive tension in the ciliary muscles of the eye. This tension may improve with appropriate rest and reduced eye strain, but it requires time and lifestyle changes. Regular visits to an ophthalmologist ar...

[Read More] Understanding Pseudomyopia: Causes, Effects, and Recovery Options


Understanding Cataract Checks: What Eye Exams Reveal About Your Vision

Cataract Examination (Sequence 207641) Thank you, Dr. Gao, for your previous response. I would like to ask about my recent visits to the ophthalmologist over the past three months regarding the issue of an enlarged optic disc. During this time, I have consulted several eye doctor...


Dr. Gao Pilin Reply:
Hello: Based on the information you provided, ophthalmologists typically conduct comprehensive eye examinations, including assessments of the retina and optic nerve, using various devices and techniques such as fundus photography and optical coherence tomography. These examinatio...

[Read More] Understanding Cataract Checks: What Eye Exams Reveal About Your Vision


Post-Cataract Surgery Discomfort: Insights on Vision Issues and Solutions

Monocular vision & refractive error & postoperative discomfort after cataract surgery? Hello, Director Gao. Below is a summary of my medical history regarding my "right" eye (the left eye is normal): 1. In 2001 (at age 20), I experienced significant distortion ...


Dr. Gao Pilin Reply:
Hello: 1. Poor visual fusion when using both eyes simultaneously may be related to a previous macular issue in your right eye. Problems with the macula can increase sensitivity to disparity, leading to a decline in visual quality when both eyes work together. This condition may...

[Read More] Post-Cataract Surgery Discomfort: Insights on Vision Issues and Solutions


Overcoming Anxiety in Cataract Surgery: Femtosecond Laser vs. Anesthesia

Cataract surgery Hello, Doctor Gao. I had traditional cataract surgery on my right eye, but I felt very nervous and tense during the procedure. Fortunately, the nurse continuously reassured me to relax, and the surgery was successful. Now, I am considering cataract surgery for my...


Dr. Gao Pilin Reply:
Hello: Femtosecond laser cataract surgery is an advanced technique that offers shorter surgical times and faster recovery compared to traditional surgery. This procedure is typically performed under local anesthesia, eliminating the need for general anesthesia. However, patients ...

[Read More] Overcoming Anxiety in Cataract Surgery: Femtosecond Laser vs. Anesthesia


Understanding Cataract Checks: What to Expect During Eye Exams

Cataract examination I would like to ask if a general eye examination typically detects cataracts. If the doctor did not specifically mention it, does that mean there are none? Previously, I experienced blurred vision and went for an OCT examination, where the doctor did not indi...


Dr. Gao Pilin Reply:
Hello: A general ophthalmic examination typically includes an assessment of the lens to check for cataracts or other lens-related issues. However, if the ophthalmologist did not specifically mention any abnormalities with the lens during the examination, it may indicate that your...

[Read More] Understanding Cataract Checks: What to Expect During Eye Exams


Post-Retinal Detachment Surgery: Understanding New Symptoms

Post-retinal detachment surgery? Hello doctor, I underwent retinal detachment surgery at Chang Gung Memorial Hospital on March 15 this year. The surgery was successful, but today, on April 17, I woke up to find that there are suddenly two small black circles connected to the air ...


Dr. Gao Pilin Reply:
Hello: It is possible that the two small bubbles nearby are not a concern. However, we cannot rule out the possibility of some new issues arising. It is advisable to consult your ophthalmologist as soon as possible if the small black circles persist, in order to determine the cau...

[Read More] Post-Retinal Detachment Surgery: Understanding New Symptoms


Can Trimming Long Eyelashes Affect Eye Health? Expert Answers

About eyelashes? Hello, Dr. Gao: I would like to ask you a question. When I look up and to the right with my right eye, I occasionally see some dark shadows in my peripheral vision. I had a dilated fundus examination last month, and my eyes were found to be normal, so I believe t...


Dr. Gao Pilin Reply:
Hello: Q1. Trimming long eyelashes moderately is generally safe, but it requires careful handling to avoid injuring the eyes and the hair follicles. Use specialized eyelash scissors or eyebrow scissors to gently trim the eyelashes, avoiding excessive force or cutting them too sho...

[Read More] Can Trimming Long Eyelashes Affect Eye Health? Expert Answers


Optimal Use Order of Eye Drops: Cycloplegics, Anti-Inflammatories, and Antibiotics

The order of administration for mydriatic agents, anti-inflammatory eye drops, and erythromycin ointment is as follows: 1. Mydriatic agents (to dilate the pupils) 2. Anti-inflammatory eye drops (to reduce inflammation) 3. Erythromycin ointment (to treat bacterial infections) I...


Dr. Gao Pilin Reply:
Hello: There is no need to discontinue the mydriatic agent. You can first instill the lubricating eye drops, then the mydriatic agent, and finally apply the ointment. The order of the eye drops is not important; just ensure there is a five to ten minute interval between each medi...

[Read More] Optimal Use Order of Eye Drops: Cycloplegics, Anti-Inflammatories, and Antibiotics


Managing Complex Vision Issues: Myopia, Hyperopia, and Astigmatism in Teens

One eye has myopia with astigmatism, while the other eye has hyperopia with astigmatism, resulting in a significant disparity in vision? The patient is 14 years old, with hyperopia of +3.25 diopters and astigmatism of +0.75 diopters in the left eye, and myopia of -0.75 diopters a...


Dr. Gao Pilin Reply:
Hello: 1. The purpose of mydriatic agents is to paralyze the ciliary muscle, temporarily impairing the eye's ability to adjust focus. This helps relax the eye muscles for fitting glasses or examining the fundus, and can effectively suppress the progression of myopia, but it ...

[Read More] Managing Complex Vision Issues: Myopia, Hyperopia, and Astigmatism in Teens


Post-Cataract Surgery: Addressing Complications and Next Steps

Post-cataract surgery The patient's mother underwent cataract surgery, during which the surgeon discovered a crack in the implanted intraocular lens. Consequently, the defective lens was removed during the procedure, and the surgery was concluded. The surgeon explained to th...


Dr. Liang Ce Reply:
We recommend that you discuss the above situation further with your attending physician. Wishing you good health. Thank you!

[Read More] Post-Cataract Surgery: Addressing Complications and Next Steps


Understanding Temporary Vision Blackouts: Causes and Solutions

Blackout of vision for a second? Hello Doctor, my eyes occasionally experience a sudden blackout, similar to a light bulb flickering, lasting less than a second. This occurs in both eyes simultaneously and the frequency varies (from once every few days to infrequently). This has ...


Dr. Gao Pilin Reply:
Hello: This condition is medically referred to as "transient visual obscuration," also known as "temporary vision loss." It is a common ocular symptom that can be caused by various factors, including: 1. Ocular blood supply issues: This is one of the most co...

[Read More] Understanding Temporary Vision Blackouts: Causes and Solutions


Understanding Post-Cataract Surgery Black Border Vision Issues

After cataract surgery, there is a black border appearing in the peripheral vision? Hello, Doctor. I underwent cataract surgery on my left eye in February, using a multifocal intraocular lens (non-Toric). The day after the surgery, I noticed a black arc-shaped border about 0.5mm ...


Dr. Liang Ce Reply:
We recommend that you discuss the above situation further with your attending physician. Wishing you good health. Thank you!

[Read More] Understanding Post-Cataract Surgery Black Border Vision Issues


Can My Child with Keratoconus and Severe Allergies Apply for Disability ID?

Disability Handbook Hello, my child is in the first year of junior high school and has a vision of only 0.1 and 0.2 due to keratoconus. Due to severe eye allergies, they are unable to wear contact lenses. Can we apply for a disability certificate in this situation?


Dr. Gao Pilin Reply:
Hello: Please visit an ophthalmology department at a hospital that can issue a disability certificate. After a physician's evaluation, if treatment is not possible or if vision remains poor after treatment, a certificate can be issued. In summary, you must first undergo an o...

[Read More] Can My Child with Keratoconus and Severe Allergies Apply for Disability ID?


Understanding Vitreous Degeneration and Its Impact on Retinal Health

Vitreous degeneration Hello, doctor. I would like to ask if vitreous degeneration can lead to retinal degeneration. Besides retinal tears and detachment, are there any other possibilities?


Dr. Gao Pilin Reply:
Hello: Vitreous degeneration itself usually does not directly lead to retinal degeneration. The vitreous is a transparent gel-like substance within the eye that fills most of the posterior chamber, providing support and shape to the eyeball. As people age, the vitreous may gradua...

[Read More] Understanding Vitreous Degeneration and Its Impact on Retinal Health




Ophthalmology FAQ

3C Acute Conjunctivitis
Age-Related Farsightedness Allergic Conjunctivitis
Alternating Exotropia Amblyopia
Artificial Lens Astigmatism
Binocular Disparity Bleeding Under The Conjunctiva
Blinking Bloodshot Eyes
Blue Light Blurry Vision
Cataract Cataract Surgery
Chalazion Ciliary Muscle
Color Blindness Conjunctiva
Conjunctival Concretions Conjunctivitis
Contact Lenses Cornea
Corneal Abrasion Corneal Inflammation
Corneal Reshaping Lenses Corneal Reshaping Therapy
Corneal Ulcer Crossed Eyes
Dark Circles Digital Devices
Dilating Eye Drops Diplopia
Disability Certificate Double Eyelid Surgery
Double Vision Dry Eye Discomfort
Dry Eyes Dry Eye Syndrome
Exposure To Bright Light Eye
Eye Allergies Eyeball
Eye Drop Consultation Eye Drops
Eye Examination Eye Fatigue
Eye Flashes Eye Focusing
Eye Inflammation Eyelashes
Eyelid Eyelid Cyst
Eyelid Disease Eye Medication
Eye Misalignment Eye Pain
Eye Pressure Eye Shadows
Eye Trauma False Myopia
Farsightedness Flashes Of Light When Eyes Are Closed
Floaters Floaters And Related Issues
Foggy Vision Foreign Body In The Eye
Foreign Body Sensation In The Eye Fundus Examination
Glare Glasses
Glasses Fitting Glaucoma
Halos Around Lights Halo Vision
High Myopia Hordeolum
Hyperopia Intraocular Lens
Intraocular Pressure Involuntary Eye Movement
Inward-Growing Eyelashes Iritis
Keratitis Lacrimal Ducts
Laser Pointer Laser Surgery For Myopia
Laser Treatment Lasik
Lazy Eye Lutein
Macula Macular Degeneration
Macular Hole Macular Pucker
Medication Consultation Mydriatic Agent
Myopia Nearsightedness
Night Blindness Nyctalopia
Nystagmus Ocular Hypertension
Optic Nerve Orthokeratology
Others Parallax
Part Of The Retina Pediatric Vision Screening
Pink Eye Post-Cataract Surgery
Post-Chalazion Surgery Posterior Vitreous Detachment
Post-Laser Surgery Post-Lasik Surgery
Post-Retinal Detachment Surgery Post-Retinal Laser Surgery
Post-Retinal Surgery Post-Retinal Tear Laser Surgery
Post-Scleral Buckle Surgery Post-Scleral Surgery
Presbyopia Prescription For Glasses
Prescription Strength Pseudomyopia
Pupil Pupil Dilation
Rainbow Halos Rainbow Vision
Refraction Test Retina
Retinal Degeneration Retinal Detachment
Retinal Disease Retinal Exam
Retinal Laser Treatment Retinal Tear
Sclera Steroids
Strabismus Stye
Subconjunctival Hemorrhage Sunglasses
Swelling And Soreness Tear Ducts
Temporary Vision Loss In One Eye The White Part Of The Eye
Tinted Lenses Transient Monocular Blindness
Trichiasis Uveitis
Vascular Proliferation Vision
Vision Care Vision Correction For Myopia
Vision Discrepancy Visual Acuity Test
Visual Afterimages Visual Disturbance
Visual Field Visual Field Test
Visual Impairment Visual Persistence
Vitrectomy Surgery Vitreous Body
Vitreous Degeneration Vitreous Liquefaction