Ophthalmology Q&A - Page 7

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Post-Cataract Surgery: Why Is My Right Eye Darker Than the Left?

After cataract surgery, the right side appears a bit darker? Dear Dr. Tsai, I have both of my eyes implanted with monofocal aspheric intraocular lenses: FALSNWAVE4AI. My left eye underwent cataract surgery without sutures and is functioning well and brightly. However, after the ...


Dr. Cai Wenyuan Reply:
It is difficult to determine; it is recommended to visit an ophthalmology clinic for examination.

[Read More] Post-Cataract Surgery: Why Is My Right Eye Darker Than the Left?


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 Monocular Diplopia: Causes, Diagnosis, and Treatment Options

Monocular diplopia Hello, Director: I apologize for taking up your time! I have been wearing glasses for my myopia for 40 years, with each eye approximately -500 degrees. In early April of this year, I noticed some blurriness in my left eye, and after an examination, my uncorrect...


Dr. Gao Pilin Reply:
Hello: Possible causes of postoperative vertical diplopia include: 1. Refractive issues: Despite having new glasses prescribed after surgery, there may still be some refractive errors that have not been fully corrected, leading to diplopia. This requires further examination by an...

[Read More] Understanding Monocular Diplopia: Causes, Diagnosis, and Treatment Options


Impact of Eye Exams on Vision: Macular Degeneration Concerns

Issues Affecting Eye Examinations Individuals with macular degeneration often undergo dilation and optical scanning examinations before and after surgery. Will this affect their vision or lead to any complications?


Dr. He Jianxian Reply:
Hello Mr. Pan R: In theory, there should not be any sequelae; however, if there are, clinical practice will certainly impose restrictions on how long one must wait before undergoing the procedure again. Director He Jianxian, Ophthalmology Department, Nantou Hospital.

[Read More] Impact of Eye Exams on Vision: Macular Degeneration Concerns


Should You See an Eye Doctor for Increased Astigmatism?

Increased astigmatism? On April 22, the refraction showed that the right eye had astigmatism of 3.25 (axis 180) and the left eye had astigmatism of 2.75. During the follow-up exam, the right eye's astigmatism increased to 4.25 (axis 5) and the left eye's astigmatism was...


Dr. Gao Pilin Reply:
Hello: Changes in astigmatism degree and axis can be caused by various factors, including alterations in corneal shape, fluctuations in intraocular pressure, or other underlying eye health issues. Particularly, if these changes occur in a short period, it is essential to be vigil...

[Read More] Should You See an Eye Doctor for Increased Astigmatism?


Post-Cataract Surgery: Why Is My Right Eye Dimmer Than My Left?

After cataract surgery, the left eye is normal, while the right eye has slightly dimmer vision? Hello, doctor. My left eye is better: it is bright and has no stitches. My right eye had an artificial lens replacement and has one or two stitches. When I look outside, it seems a bit...


Dr. Gao Pilin Reply:
Hello: Regarding your description, the symptoms of blurred vision, color changes, and blood vessels in the sclera of your right eye after surgery may have multiple causes. Here are several possible situations and recommendations: 1. Postoperative Recovery Period: After undergoin...

[Read More] Post-Cataract Surgery: Why Is My Right Eye Dimmer Than My Left?


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 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 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


Recurring Styes: Causes, Symptoms, and Treatment Options

Recurrent styes with significant discharge? Hello, I have been experiencing recurrent styes for several months now, alternating between my left and right eye, and sometimes developing them in both eyes simultaneously. Initially, they appeared as small blisters, occasionally causi...


Dr. Gao Pilin Reply:
Hello: Your recurring stye situation sounds indeed troubling and affects your quality of life. Based on your description, this may not just be a simple stye, but could also involve other eyelid issues. Here are some possible considerations and recommendations: 1. Chronic blepha...

[Read More] Recurring Styes: Causes, Symptoms, and Treatment Options


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


Recurring Styes with Discharge: Causes and Solutions for Eye Health

Recurrent styes with a lot of discharge? Hello, I have been experiencing recurrent styes for several months, alternating between my left and right eye, and sometimes developing them in both eyes simultaneously. Initially, they appeared as small blisters, occasionally swollen and ...


Dr. Gao Pilin Reply:
Hello: The recurrent stye situation you are experiencing sounds indeed troublesome and affects your quality of life. Based on your description, this may not just be a simple stye but could involve other eyelid issues. Here are some possible considerations and recommendations: 1...

[Read More] Recurring Styes with Discharge: Causes and Solutions for Eye Health


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


Why Do My Eyes Hurt in Bright Sunlight? Understanding Eye Pain

Experiencing sharp pain in the eyes when exposed to sunlight? Hello doctor, this morning when I opened the window and sunlight came in, I suddenly felt a sharp pain in my eyes. Later, when I rode my bike from the basement to the entrance and encountered the sunlight again, I expe...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, experiencing sharp pain in the eyes after exposure to sunlight may have multiple causes. Here are some possible explanations: 1. Photophobia: This refers to an increased sensitivity of the eyes to light. Photophobia can be caused by va...

[Read More] Why Do My Eyes Hurt in Bright Sunlight? Understanding Eye Pain


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?




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