Visual impairment, Ophthalmology FAQ - Page 2

Share to:
Understanding Visual Impairment: What Does 16-20 dB Mean for Daily Life?

Visual impairment - physical and mental disabilities In the context of visual impairment, "db" refers to decibels, which is a unit of measurement used to quantify the level of visual acuity loss. A visual acuity of 16 to 20 decibels indicates moderate visual impairment....


Dr. Feng Jiefan Reply:
Hello: What you are asking about should refer to the standards for visual impairment, one of which pertains to visual field defects. Decibels (dB) are the units used to measure visual field loss. If you have questions regarding this matter, you can submit a request for evaluation...

[Read More] Understanding Visual Impairment: What Does 16-20 dB Mean for Daily Life?


Understanding Amblyopia: Is It Considered a Visual Impairment?

Amblyopia issues My right eye has a visual acuity of 0.1, does this qualify as a visual impairment, and can I apply for a disability certificate?


Dr. Hu Yusheng Reply:
Dear Ms. Alliata, Hello. The amblyopia in your right eye is a type of visual impairment. The application for a disability certificate generally requires that both eyes have poor vision or severe visual field loss, which is a strict criterion. If there is an issue with only one e...

[Read More] Understanding Amblyopia: Is It Considered a Visual Impairment?


Understanding Visual Impairment and Disability Application Criteria

Application for Visual Impairment and Disability In the case of the left eye with myopia over 500 degrees and uncorrected visual acuity of 0.1, and the right eye with amblyopia at 0.01 (with no possibility of correction due to ocular pathology), the corrected vision of the left e...


Dr. Xie Wenzhen Reply:
Hello Sir: Thank you for your inquiry. I would like to respond to your question and provide the following suggestions: The criteria for mild visual impairment are as follows: 1. The better eye, after correction, has a visual acuity ranging from 0.1 to 0.2. 2. One eye is blind (no...

[Read More] Understanding Visual Impairment and Disability Application Criteria


Eligibility Criteria for Visual Impairment Certification in Taiwan

Assessment of Individuals with Disabilities Hello Doctor: I would like to ask if the complete blindness in my right eye, due to optic nerve damage resulting in no light perception, meets the criteria for application. Thank you.


Dr. Feng Jiefan Reply:
Hello: The assessment for disabilities generally takes into account the vision of both eyes, focusing on the better eye's visual acuity. For detailed standards, you can inquire at the local government office. Wishing you peace and good health.

[Read More] Eligibility Criteria for Visual Impairment Certification in Taiwan


Can Congenital Monocular Vision Impairment Qualify for Disability Benefits?

Can a person with congenital monocular vision impairment apply for a disability certificate? I would like to ask the doctor, my brother has congenital monocular vision impairment and holds a military service certificate due to his visual disability. His difficulty in finding work...


Dr. Gao Pilin Reply:
Hello, visual impairment is determined based on the vision of the better eye, so it is important to assess the vision of that eye rather than the weaker one. If you want to know whether the vision of the better eye meets the criteria for disability, it is recommended to undergo a...

[Read More] Can Congenital Monocular Vision Impairment Qualify for Disability Benefits?


Understanding DB in Visual Field Testing for the Visually Impaired

DB? Hello, I have a question regarding a reference I came across in literature about visual impairment. It mentions the "30-degree program check of the automated visual field center, with an average defect greater than 20 dB (not included)." I would like to understand w...


Dr. Zhang Yanrui Reply:
dB is an abbreviation for Decibel, which is a unit of measurement based on 0.1 log. In visual field testing, the amount of light intensity that gradually decreases from the maximum illumination is expressed in dB.

[Read More] Understanding DB in Visual Field Testing for the Visually Impaired


Understanding Amblyopia: Non-Surgical Options and Surgical Success Rates

Regarding amblyopia? Hello, doctor. My brother is 21 years old and has recently discovered that his amblyopia has recurred. However, he is reluctant to undergo surgery, possibly due to a lack of confidence in the procedure. My mother mentioned that he had amblyopia when he was yo...


Dr. Liu Jingxian Reply:
Hello: "Amblyopia"? Amblyopia refers to a condition where, after the normal developmental period of the eyes, one or both eyes cannot achieve a best-corrected visual acuity of 0.8 or better with glasses, despite the absence of any pathological changes in the ocular stru...

[Read More] Understanding Amblyopia: Non-Surgical Options and Surgical Success Rates


Understanding Visual Impairment: Definition and Measurement Criteria

Visual impairment "Visual impairment" is typically measured using the international visual acuity chart (presented in the shape of a letter C). It is defined as having the best-corrected vision in the better eye that does not reach 0.3, or if the visual acuity is above ...


Dr. Wang Zhangji Reply:
Hello: The normal monocular visual field extends approximately 90 degrees laterally, about 60 degrees medially and superiorly, and around 70 degrees inferiorly. "Peripheral vision within twenty degrees" likely refers to a reduction of the visual field to less than 20 de...

[Read More] Understanding Visual Impairment: Definition and Measurement Criteria


Complications of Untreated Cataracts: What You Need to Know

Will untreated cataracts lead to other complications in the long term? Dear Dr. Tsai, My father experienced blurred vision two years ago and went to the hospital for an examination, where he was diagnosed with cataracts in his left eye. He was initially scheduled for surgery, bu...


Dr. Cai Yuyuan Reply:
Cataract surgery is covered by health insurance for individuals aged 55 and older. For those under 55, prior application is required, and coverage will be granted upon approval before surgery. The decision depends on whether the cataract has progressed to a severity that necessit...

[Read More] Complications of Untreated Cataracts: What You Need to Know


Understanding Irregular Pupils: Causes and Treatment Options

The left eye has two irregularly shaped pupils? Dear Dr. Ke, My fiancée developed two irregularly shaped pupils in her left eye about three to four years ago. After examination, she was diagnosed with elevated intraocular pressure, deteriorating visual fields, and blurred vision...


Dr. Ke Meilan Reply:
Hello, When Mr. Small experiences elevated intraocular pressure leading to more severe optic nerve atrophy, the pupils tend to dilate. It is crucial to reduce the intraocular pressure to a safe range. If medication is insufficient to control it, surgical intervention should be ...

[Read More] Understanding Irregular Pupils: Causes and Treatment Options


Understanding Eye Abnormalities in Infants: Causes and Solutions

Abnormal Eye Issues in Infants Hello! I would like to ask you the following questions, and I hope you can help me with the answers. Thank you! My sister-in-law gave birth to a baby boy on February 15. During prenatal check-ups, it was noted that his kidneys appeared to be enlarge...


Dr. Wang Yuwei Reply:
The presence of white spots on both corneas at birth is most likely diagnosed as congenital corneal dystrophy. These white spots, as mentioned by the physician during your visit to Chung Shan Hospital, can cause visual impairment; however, the intensity of the spots can vary the ...

[Read More] Understanding Eye Abnormalities in Infants: Causes and Solutions


Previous|Page