farsightedness, Ophthalmology FAQ

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Understanding Visual Snow: Is Screen Time the Cause?

Perception of noise? Hello, doctor. Recently, I have noticed that when I look at the wall, there are particles that resemble television static moving around. It is not very noticeable most of the time, but it becomes more apparent after reading or using my phone, and it also beco...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, this condition is known as visual snow syndrome. This phenomenon typically manifests as grainy images resembling television static in the visual field. Here are some possible causes and related information: Possible Causes of Visual Sn...

[Read More] Understanding Visual Snow: Is Screen Time the Cause?


Understanding Vision Issues: Is It Prescription or Eye Condition?

Eyeglasses Issues I recently noticed that with my glasses, my right eye sees distant objects more clearly but has difficulty seeing nearby objects, while my left eye is the opposite. Could this be an issue with the prescription, or could there be some underlying eye condition? Th...


Dr. Gao Pilin Reply:
Hello: Based on the situation you described, there could be several reasons for this phenomenon: 1. Prescription mismatch: Your glasses prescription may not fully match your vision needs. If your right eye sees clearly at a distance but not up close, while the left eye is the opp...

[Read More] Understanding Vision Issues: Is It Prescription or Eye Condition?


Understanding Eye Strain: Causes and Solutions for Visual Fatigue

Eye problems Hello Doctor, I have recently noticed that focusing my eyes on a specific point feels somewhat strenuous. After just a few seconds, my eyes automatically relax and become unfocused, requiring me to blink again to regain focus. This is especially noticeable when I am ...


Dr. Gao Pilin Reply:
Hello: It could be an issue with ciliary muscle accommodation, and the most likely cause is that you may have hyperopia (farsightedness). This can lead to fatigue when focusing on near objects. You should consider getting an eye examination, and wearing the appropriate glasses co...

[Read More] Understanding Eye Strain: Causes and Solutions for Visual Fatigue


How Often Should You Return for Farsightedness Checkups?

How often should a follow-up appointment be scheduled for hyperopia? This year, I happened to find out that I have a hyperopia of +500 diopters. After weighing the options, the doctor and optometrist recommended a pair of +300 diopter glasses for hyperopia, and there has been no ...


Dr. Gao Pilin Reply:
Hello: If your glasses are comfortable, clear, and adequate for your needs, you can have an eye exam once every six months. However, if they are not clear or comfortable, you will need to have your prescription checked and get new lenses.

[Read More] How Often Should You Return for Farsightedness Checkups?


Understanding Post-Cataract Surgery Presbyopia: What to Expect

Cataracts do not preserve visual acuity? After cataract surgery with the replacement of a monofocal intraocular lens, if the patient's prescription is not retained, the degree of presbyopia (farsightedness) postoperatively is typically around +2.00 diopters. Yes, the degree ...


Dr. Gao Pilin Reply:
Hello, Zhiqiang: You can start testing by adjusting from 250 degrees. It is possible that as age increases, vision may deteriorate, necessitating an appropriate increase in prescription strength.

[Read More] Understanding Post-Cataract Surgery Presbyopia: What to Expect


Understanding Dry Eye Syndrome and Allergies: Key Differences Explained

Dry Eye Syndrome Issues Dr. Kao, I would like to ask how to differentiate between eye allergies and dry eye syndrome. My ophthalmologist diagnosed me with both conditions but mentioned that I should seek treatment for the allergies, as they are very similar to dry eye syndrome. A...


Dr. Gao Pilin Reply:
Hello Sue: To test for dry eye syndrome, a tear film test can be conducted. Please refer to: https://bit.ly/3Kii3wl. After dilation, the measurement changed from 725 to 900. Based on the change in numbers, this situation is typically associated with hyperopia (farsightedness). In...

[Read More] Understanding Dry Eye Syndrome and Allergies: Key Differences Explained


Understanding Post-Surgery Vision Issues: Nearsightedness and Farsightedness After SMILE

After myopic laser surgery, there may be the development of hyperopia? Hello Doctor, I underwent SMILE surgery for my myopia (around -7 to -8 diopters in both eyes) two months ago. However, post-surgery, I have developed hyperopia values of 0.75 to 1.25 diopters in both eyes. I e...


Dr. Gao Pilin Reply:
Hello Ms. Cheng: If you experience blurriness and fatigue while using the computer, you should explain your situation to your doctor to determine if you need to wear prescription glasses for hyperopia (farsightedness). If you need a quick solution, you can try purchasing a pair o...

[Read More] Understanding Post-Surgery Vision Issues: Nearsightedness and Farsightedness After SMILE


Can Laser Surgery Correct Post-Cataract Surgery Farsightedness?

Can laser treatment for hyperopia be performed after cataract surgery? Dear Doctor, I originally had a myopia of -600 degrees in both eyes. In March of last year, I underwent cataract surgery on my right eye, followed by surgery on my left eye in May. After the surgeries, I wen...


Dr. Gao Pilin Reply:
Hello, Yao Yao: A hyperopia of 75 degrees can be considered quite normal. For distance vision, using both eyes, the right eye has a vision of 0.7-0.8 and the left eye is 1.0, which is considered very good, so there is no need for laser treatment for that. For near vision, even if...

[Read More] Can Laser Surgery Correct Post-Cataract Surgery Farsightedness?


Understanding Hyperopia and Astigmatism Correction in Children

Correction of Hyperopia and Astigmatism Hello, doctor. The child underwent a dilated eye exam and both eyes were found to have hyperopia of +2.00 diopters and astigmatism of -1.75 diopters. The uncorrected visual acuity was approximately 0.8 in the left eye and 0.6 in the right e...


Dr. Gao Pilin Reply:
Hello, Mr. Feng: For individuals with hyperopia (farsightedness), the ciliary muscles must work harder to focus on objects, which means that without corrective lenses, the eyes are in a strained state. When wearing hyperopic glasses, the ciliary muscles should relax. If they ar...

[Read More] Understanding Hyperopia and Astigmatism Correction in Children


Understanding Eye Fatigue: Causes, Symptoms, and Treatment Options

Eye fatigue Hello Dr. Gao, I visited an ophthalmology clinic on December 24th last year due to extreme discomfort when looking at screens. After examination, my intraocular pressure was measured at 27/24. Dr. A prescribed me Cartelol 2% and Better eye drops 0.5%. After using the...


Dr. Gao Pilin Reply:
Hello Jerry: Based on your description, it may not be an issue with intraocular pressure, but rather a problem related to fatigue. If you have hyperopia (farsightedness), it could also contribute to this situation. It would be best to undergo a dilated eye exam. If hyperopia is p...

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


Why Did My Farsightedness Suddenly Increase?

Increased hyperopia? Hello, doctor: A year ago, I had an eye exam and was diagnosed with +2.50 diopters of hyperopia, for which I received a pair of glasses. However, I hardly used them. Recently, I noticed that my vision at both near and far distances has become somewhat blurry....


Dr. Gao Pilin Reply:
Hello: You may have had a hyperopia of 100 degrees, but during previous eye examinations, your ciliary muscles might have been exerted, resulting in a lighter measurement. Now, since you are unable to exert that effort for accommodation, your vision may appear blurry. This is lik...

[Read More] Why Did My Farsightedness Suddenly Increase?


Understanding Your Eye Exam Report: A Guide to Key Measurements

Interpretation of Vision Examination Report The data from your eye examination report can be interpreted as follows: - **AUTO Refraction:** - **Spherical (Sph):** - Right Eye (R): +0.25 Diopters - Left Eye (L): 0.00 Diopters (no spherical correction needed) - **Cylin...


Dr. Cai Wenyuan Reply:
The uncorrected visual acuity of the right eye is 0.3, and the uncorrected visual acuity of the left eye is 0.2. The corrected visual acuity of the right eye is 0.7, and the corrected visual acuity of the left eye is 0.5.

[Read More] Understanding Your Eye Exam Report: A Guide to Key Measurements


Understanding Cataracts and Retinal Detachment: Patient Experiences and Solutions

Cataract + Retinal Detachment Initially, after my cataract surgery, my vision was very clear. However, during a follow-up visit, the doctor mentioned that there was a hole that required laser treatment. After the laser procedure, the issue persisted, and I ended up with a retinal...


Dr. He Jianxian Reply:
Hello Mr. Lin: After retinal detachment surgery, it is generally necessary to wait several months for the nerve function to return to normal. Please consult your attending physician to determine whether your retinal function has recovered and if it is appropriate for you to wear ...

[Read More] Understanding Cataracts and Retinal Detachment: Patient Experiences and Solutions


Understanding Cataracts and Retinal Detachment: Patient Experiences and Insights

Cataract + Retinal Detachment Initially, after my cataract surgery, my vision was very clear. However, during my follow-up appointment, the doctor mentioned that there was a hole that required laser treatment. After the laser procedure, the issue persisted, and I ended up with a ...


Dr. He Jianxian Reply:
Hello Mr. Lin: After retinal detachment surgery, it is generally necessary to wait several months for the nerve function to return to normal. Please consult your attending physician to determine if the retinal function has recovered and whether it is appropriate for you to wear g...

[Read More] Understanding Cataracts and Retinal Detachment: Patient Experiences and Insights


Understanding Cataracts and Retinal Detachment: What to Expect After Surgery

Cataract + Retinal Detachment Initially, after my cataract surgery, my vision was very clear. However, during my follow-up appointment, the doctor mentioned that there was a hole that needed laser treatment. After the laser procedure, the issue persisted, and I ended up with a re...


Dr. He Jianxian Reply:
Hello Mr. Lin: After retinal detachment surgery, it is generally necessary to wait a few months for the nerve function to return to normal. Please consult your attending physician to determine if your retinal function has recovered and whether it is appropriate for you to wear gl...

[Read More] Understanding Cataracts and Retinal Detachment: What to Expect After Surgery


Understanding Cataracts and Retinal Detachment: A Patient's Journey

Cataract + Retinal Detachment Initially, after my cataract surgery, my vision was very clear. During my follow-up appointment, the doctor mentioned that there was a hole that required laser treatment. After the laser procedure, I still couldn't stop the issue, and I ended up...


Dr. He Jianxian Reply:
Hello Mr. Lin: After retinal detachment surgery, it generally takes a few months for the neural function to return to normal. Please consult your attending physician to determine if the retinal function has recovered and whether it is appropriate for you to wear glasses. For your...

[Read More] Understanding Cataracts and Retinal Detachment: A Patient's Journey


Understanding Cataracts and Retinal Detachment: Patient Experiences and Insights

Cataract + Retinal Detachment Initially, after my cataract surgery, my vision was very clear. During my follow-up appointment, the doctor mentioned that there was a hole that needed laser treatment. After the laser procedure, I still couldn't stop the issue, and I ended up w...


Dr. He Jianxian Reply:
Dear Mr. Lin: After retinal detachment surgery, it is generally necessary to wait several months for the nerve function to return to normal. Please consult your attending physician to determine if the retinal function has recovered and whether it is appropriate for you to wear ...

[Read More] Understanding Cataracts and Retinal Detachment: Patient Experiences and Insights


Can Cataract Surgery Cause Farsightedness and Can It Be Corrected?

After cataract surgery, if the vision test shows hyperopia (farsightedness), is it possible to change hyperopia to emmetropia (normal vision) or myopia (nearsightedness)? Dear Doctor, 1. I underwent cataract surgery in both eyes over a year ago, during which monofocal intraocula...


Dr. Cai Wenyuan Reply:
Is it normal to have hyperopia after surgery? This is a common situation. Are there ways to change hyperopia to emmetropia or myopia? If the degree is not significant, glasses correction can be considered. After cataract surgery, does the implantation of an artificial lens cause ...

[Read More] Can Cataract Surgery Cause Farsightedness and Can It Be Corrected?


Understanding Recovery After Retinal Detachment Surgery: What to Expect

Post-retinal detachment surgery? Hello doctor, I had retinal detachment surgery 10 days ago and oil was injected into my eye. Currently, my vision is very clear, but my nearsightedness has turned into farsightedness. Does this mean I am recovering well? What symptoms should I see...


Dr. Gao Pilin Reply:
Hello Ms. Liu: The refractive index of silicone oil differs from that of water, which can lead to changes in postoperative refraction, typically resulting in hyperopia. If you can see clearly, it indicates that the surgery is recovering well. You should seek immediate medical att...

[Read More] Understanding Recovery After Retinal Detachment Surgery: What to Expect


Understanding Post-Cataract Surgery Farsightedness: Causes and Solutions

Post-cataract surgery hyperopia? Hello Dr. Tsai, I had cataract surgery on my right eye a month ago, using a self-funded artificial lens for myopia and astigmatism. My recovery seems normal, but my right eye's vision is only 0.4. However, wearing +1.25 reading glasses allow...


Dr. Cai Wenyuan Reply:
Hello, once the prescription stabilizes, we can discuss it further with the surgeon. Wishing you safety and health. Sincerely, Dr. Cai Wenyuan, Director of Ophthalmology, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Post-Cataract Surgery Farsightedness: Causes and Solutions


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